Lanolin Alcohol

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Lanolin alcohol is registered as a UVCB (unknown or variable composition, complex reaction products or biological materials) substance of wool grease origin; the identification data below are the manufacturer’s reference entries for commercial, pharmacopeial, and customs documentation. Composition and national tariff assignment can vary with the refining route and the importing country.

Identification field Reference data Remarks
Product Name & IUPAC Name Lanolin Alcohol; no discrete IUPAC name assigned because the material is a UVCB mixture Pharmacopeial name: Wool Alcohols
CAS Registry Number 8027-33-6 Identification number used for REACH, TSCA, and SDS documentation
EC Number 232-430-1 EU regulatory identifier assigned to the same UVCB substance
Chemical Formula Not a single molecular formula; complex mixture of sterol and higher aliphatic alcohols Component profile is route- and grade-dependent
Synonyms & Trade Names Wool alcohols, wool wax alcohol, Alcoholes lanae, INCI: Lanolin Alcohol Trade names are supplier-specific and differ by commercial grade
HS Code & Customs Classification HS heading 1505; internationally covers wool grease and fatty substances derived therefrom Exact national tariff subheading must be confirmed with the importing customs authority

Lanolin alcohol is the unsaponifiable alcohol fraction obtained from refined wool grease, composed mainly of cholesterol, lanosterol, dihydrolanosterol and C14–C36 straight-chain and branched aliphatic alcohols. The physical form is a pale yellow to amber waxy solid with a faint characteristic odor; hardness and color depth are governed by the sterol-to-aliphatic alcohol ratio and the residual free alcohol and free acid balance. The material is non-volatile, and melting behavior is observed as a range rather than as a sharp point.

Chemical stability is governed by the unsaturated sterol fraction. Auto-oxidation proceeds through free-radical chain reactions, producing hydroperoxides, aldehydes and colored oligomers. Storage under inert gas and exclusion of light limits peroxide development. Contact with strong oxidizing agents, strong acids and transition-metal ions that catalyze radical initiation should be avoided. Hazardous polymerization is not expected.

Solubility is low in water and high in non-polar to moderately polar solvents, including mineral oil, chloroform, diethyl ether, toluene and isopropyl myristate. Ethanol solubility is grade-dependent and temperature-dependent. For solution preparation, the waxy solid is dissolved in the hot oil phase before high-shear blending; direct addition of solid to an aqueous phase without preheating produces poor wetting and non-reproducible dispersion.

Thermal Transitions and Fire-Related Properties

Melting is specified as a range, typically defined in the applicable pharmacopoeial monograph or customer specification; no universal single value applies. Boiling point is not assigned as a release property because thermal decomposition begins before atmospheric distillation becomes relevant. Flash point is determined by closed-cup methods and is product-grade-specific; because the material is a non-volatile waxy solid, it is not classified as a flammable liquid under standard transport criteria. Density is temperature-dependent; at ambient temperature the product is solid, and liquid density is usually reported at an elevated handling temperature on the certificate of analysis. Bulk density and true density are managed separately for packaging and tank fill calculations.

What Release Parameters Differentiate Pharmacopoeial, Cosmetic, and Technical Grades?

Release parameters are selected according to target registration route. Compendial, cosmetic and technical grades share the same alcohol chemistry but differ in sterol profile control, oxidative state, color, odor and impurity limits. Table 1 summarizes the specification framework; numerical acceptance criteria are fixed by the active monograph, quality agreement or internal specification and are not universal.

Table 1: Specification framework by grade and analytical method

Quality parameter Analytical method reference Pharmacopoeial grade Cosmetic grade Technical grade
Appearance Visual; color by Lovibond or CIE Lab Pale yellow to amber waxy solid; monograph-defined color Light yellow to pale amber; low odor preferred Amber to brown; odor may be more pronounced
Melting range Ph. Eur. 2.2.14 / capillary Monograph-defined range Customer-specific narrower interval Wider interval accepted for process use
Acid value Ph. Eur. 2.5.1, USP <401> Maximum defined by monograph Low residual acidity controlled Tolerance wider; residual soap may be limited separately
Saponification value Ph. Eur. 2.5.6 Monograph-defined range Low, confirming ester removal Controlled for process validation
Hydroxyl value Ph. Eur. 2.5.3 Method A Range defined by monograph Consistency specification Consistency specification
Peroxide value Ph. Eur. 2.5.5 Maximum defined Typically tighter oxidative limit Moderate limit
Loss on drying Ph. Eur. 2.2.32, USP <731> Maximum defined Low moisture controlled Low moisture controlled
Residue on ignition USP <281> Maximum defined Low residue Specified
Cholesterol content GC-FID internal standard Content range based on feedstock Consistency required Broader range or not routinely released

Impurity limits are grade-dependent. Residual free fatty acids and soap originate from incomplete saponification and phase separation; sterene or hydrocarbon artifacts may be present in low concentrations depending on refining intensity. Oxidation products are controlled by peroxide value and odor evaluation. Heavy metals and pesticide residues are feedstock-linked and are monitored by inductively coupled plasma mass spectrometry and gas chromatography-tandem mass spectrometry where regulatory or customer requirements demand. Pharmacopoeial grades impose additional limits on acid value, peroxide value, residue on ignition and microbial burden; cosmetic grades often require tighter peroxide and odor maxima for leave-on skin contact.

Identity confirmation uses Fourier-transform infrared spectroscopy or gas chromatography with flame ionization detection for the sterol/alcohol profile. Test methods listed in Table 1 follow the current edition of the relevant compendium. Customer-specific natural origin calculation may be based on ISO 16128-1:2016 and ISO 16128-2:2017.

Raw material selection begins with wool grease recovered from ovine wool scouring. The crude grease is refined to lanolin by centrifugal separation, bleaching and deodorization before hydrolysis. Preferred feedstock has low free fatty acid content, low peroxide value and low heavy metal and pesticide burden; sterol composition of the incoming lanolin determines the final cholesterol and lanosterol distribution. Regional differences in sheep breed, climate and scouring technology alter the aliphatic chain distribution, so incoming lanolin is often normalized by blending or by downstream distillation for technical grades.

When Lanolin Esters Are Saponified to the Alcohol Fraction

Saponification of refined lanolin with aqueous sodium hydroxide or potassium hydroxide is the standard industrial route. The reaction proceeds by alkaline hydrolysis of wax esters, releasing the alcohol fraction and wool fatty acid soaps. The mixture is heated under controlled mixing; the endpoint is determined by residual saponification value and phase separation behavior, not by batch time alone. The soap phase is separated by hot-water washing, solvent partition or centrifugation. Residual alkali and soap are critical control points because they affect downstream esterification and emulsion performance.

After separation, the alcohol fraction may be bleached with hydrogen peroxide or adsorbent clay and dried under vacuum. Molecular distillation or solvent refining may be used for low-odor and pharmaceutical grades. Process control monitors acid value, saponification value, hydroxyl value, color, peroxide value and residual moisture before packaging. Batch release requires identity, physico-chemical release tests, impurity limits and retained-sample review under the batch release protocol.

Derivatisation pathways follow esterification and ethoxylation chemistry

Lanolin alcohol acts as a hydroxy-functional intermediate. Esterification with long-chain fatty acids or anhydrides produces lanolin alcohol esters; ethoxylation with ethylene oxide yields nonionic surfactants; acetylation with acetic anhydride is used for hydroxyl value determination and acetylated derivatives. Reaction conditions are selected for the target derivative: ethoxylation is conducted under alkaline catalysis at controlled elevated temperature and pressure with incremental ethylene oxide feed; esterification with fatty acids is carried out at high temperature with reduced-pressure removal of water or azeotropic water removal in toluene or xylene. Excess reagents are removed by distillation or water washing.

Downstream derivatives include lanolin alcohol ethoxylates, acetylated lanolin alcohol and lanolin alcohol fatty acid esters. These products modify hydrophilic-lipophilic balance, water dispersibility, melting behavior and skin-feel properties and are used in topical pharmaceutical ointments, cosmetic emulsions and hair care formulations.

Storage Is Controlled by Oxidation, Light, and Headspace Moisture

Recommended storage is in sealed, nitrogen-blanketed containers at controlled cool temperatures, protected from direct light and moisture ingress. Although the product is hydrophobic, condensation on container headspace can create localized surface moisture; desiccant breather vents or dry-air blanketing are preferred for bulk tanks. Container compatibility includes epoxy-phenolic lined steel and food-grade high-density polyethylene; unlined carbon steel and copper alloys are not recommended because ferrous and cupric ions accelerate free-radical oxidation. Shelf life is grade-dependent and commonly defined in the quality agreement; aged product should be re-evaluated for peroxide value, acid value, color and odor before use. Degradation indicators include rising peroxide value, darkening color, rancid odor, melting range broadening and increasing acid value.

What occupational hygiene measures apply to lanolin alcohol dust and heated vapours?

Lanolin alcohol is not assigned a harmonized GHS classification in all jurisdictions; classification must be verified on the product-specific safety data sheet. Where sensitization data support classification, the product may be labelled as Skin Sens. 1 with hazard code H317 and precautionary statements such as P261, P272, P280, P333+P313. Acute oral toxicity data indicate low acute toxicity, but no single LD₅₀ value applies to all grades. No substance-specific occupational exposure limit is established under current OSHA or ACGIH tables; workplace exposure is controlled as nuisance dust or oil mist with local exhaust ventilation during melting and transfer. Handling requires chemical-resistant gloves, safety eyewear and respiratory protection when aerosols are generated. Spills should be contained with inert absorbent and treated as a slipping hazard.

The following manufacturer-issued technical documentation covers lanolin alcohol (wool wax alcohols), a sterol-rich fatty alcohol fraction obtained by saponification of refined wool grease followed by solvent separation and vacuum distillation. The product range spans industrial, cosmetic, and pharmaceutical grades; the exact sterol profile, hydroxyl value, acid value, colour, odour, and residual solvent content are grade-dependent and defined by the selected purification train and customer specification.

What Determines Available Production Capacity and Commercial Lead Times?

Production capacity is not published as a single nominal volume because lanolin alcohol is produced in block campaigns shared with lanolin and downstream ester derivatives. Campaign scheduling depends on refined wool grease availability after incoming lots have passed moisture, free fatty acid, and pesticide residue screening. Pharmaceutical-grade output uses segregated or validated-cleaned saponification and distillation equipment, which reduces available monthly throughput for that grade relative to industrial campaign production. Batch-to-batch variation in wool grease may require adjustment of saponification time, washing cycles, and distillation rate; these changes are managed through in-process acid value, water content, and colour checks before final release. Typical capacity availability therefore depends on grade, feedstock quality, and campaign overlap.

Lead time and minimum order quantity are set by purification depth, packaging format, and the required release test panel rather than by a single commercial rule. Standard industrial material may be available from existing campaign stock, while cosmetic and pharmacopoeial grades are commonly produced against purchase order because residual solvent, sterol distribution, and odour specifications differ between customers. Non-standard allergen-marker reduction, tightened heavy-metal limits, or dedicated retention sample requirements can increase the minimum order quantity and extend lead time.

Packaging is matched to melting point, oxidative colour drift risk, and transport distance. Bulk molten filling into tank containers requires heated storage at the receiving site. Closed package filling under nitrogen blanketing is used to limit oxygen uptake during filling. High-purity pharmaceutical and cosmetic grades are typically supplied in polyethylene liners inside sealed steel or fibre drums. Small-volume lots may be packed in tamper-evident containers with controlled headspace.

Shipment is quoted under Incoterms 2020 as FOB, CIF, or DAP according to order volume, destination, and packaging mode. For new custom specifications, prepayment or an irrevocable at-sight letter of credit may be requested until the analytical release profile has been approved by both parties. Shipping documents include certificate of analysis, batch number, country of origin, and destination-specific regulatory documentation.

The Primary Cost Driver Is Refined Wool Grease Availability, Not the Alcohol Conversion Step Alone

The production cost structure starts with refined wool grease or lanolin input, but the final alcohol cost is not a linear function of that feedstock. Key cost elements include alkali for saponification, solvent extraction and recovery, washing water treatment, adsorbent purification, and energy for vacuum fractionation. Removal of soaps, free fatty acids, oxidised sterols, and odour bodies creates yield losses; the final unit cost therefore rises disproportionately when crude wool grease requires additional purification before the alcohol fraction meets grade limits.

Raw material price fluctuations are driven first by sheep shearing volumes and wool scouring activity. Wool grease supply is seasonal and regionally concentrated, while competing demand from lanolin, lanolin fatty acids, and cholesterol production influences price. Energy, solvent, steel packaging, and freight add secondary volatility. Regulatory changes requiring additional residue or allergen testing can raise delivered cost even when the physical product is unchanged.

Grade, purity, and packaging certification create price differences. Industrial grade with broad hydroxyl and acid value windows is the baseline. Cosmetic grade requires reduced odour, colour, and oxidised sterol content. Pharmaceutical or pharmacopoeial grade requires tighter sterol distribution, residual solvent control, and microbiological release testing. Each additional stage of distillation, adsorption, or filtration reduces yield and increases unit cost. Certification and documentation bundles—including REACH registration, customer-specific animal-origin statements, halal or kosher certification, and retained sample archives—add audit, segregation, and administrative cost. Grade-dependent price tiers are therefore issued according to the final analytical release profile and the documentation package required for the destination market.

Regional Market Structure and 2026 Price Sensitivity

Global supply of lanolin alcohol is structurally limited by wool production, not solely by installed reactor capacity. Demand is dominated by pharmaceutical ointment bases, cosmetic emulsions, and selected industrial processing applications. Procurement is therefore exposed to wool scouring cycles, feedstock competition from lanolin and ester producers, and regional capacity utilisation for vacuum distillation of sterol-rich fractions.

In the United States, demand is concentrated in high-purity pharmaceutical and personal care applications, with supplier qualification requirements for topical formulations. The European Union emphasises low-odour, low-residue cosmetic grades and REACH-compliant substance documentation. Japan imposes strict residual solvent and impurity controls for quasi-drug and personal care applications. India represents a pharmaceutical-focused demand base linked to topical drug manufacturing cycles. China remains a major integrated wool processing and refining location, supplying refined lanolin derivatives to export markets while domestic consumption continues to expand.

Published data for a single 2026 point-price forecast is limited. The directional risk is tied to wool grease availability, energy-driven refining cost, and freight schedule reliability. Pharmaceutical and cosmetic grade spreads are expected to remain wider than industrial grade spreads if residual solvent and allergen documentation requirements tighten. A sustained price decline would require a surplus of wool grease and lower freight costs, neither of which can be assumed from the current supply structure.

Estimates are compiled from supplier quotations, public customs and trade data, regulatory publications, and campaign-level supply intelligence. Figures are not contractual; each batch is quoted individually based on the required grade, packaging, and destination.

When Regulatory Documentation Changes, Supplier Mitigation Must Follow Batch-Level Traceability

Recent market communication has focused on pesticide residue and allergen marker control in wool-derived cosmetic raw materials. Shipping of warm-filled or molten lanolin alcohol has also been affected by port delays and carrier restrictions on temperature-sensitive material. These factors have increased the importance of booking confirmed vessel space and pre-advising receiving-site storage capacity.

Regulatory compliance requirements vary by market. EU cosmetic applications require product safety assessment under Regulation (EC) No 1223/2009 and REACH registration. Pharmacopoeial grades follow the applicable Ph. Eur. or USP monograph where the material is sold into pharmaceutical applications. Japan and India apply their respective pharmacopoeial alignment and import licensing requirements. The relevant grade is selected based on the intended market and application to prevent re-classification or documentation gaps at destination.

Supplier response includes batch-level traceability from wool grease lot to finished alcohol, retention samples for pharmaceutical-grade shipments, and comparative release testing for critical pharmacopoeial parameters. Where new residue or allergen documentation is required, the manufacturing site can provide additional batch-specific data for residual solvents, heavy metals, and animal-origin statements. Customers should specify the intended market and application at inquiry stage so that the correct purification train, release test panel, and documentation package are assigned before production.

Application Fields & Grade Selection Guide

Lanolin alcohol (CAS 8027-33-6) is the refined unsaponifiable fraction of wool wax. Its composition is dominated by cholesterol, lanosterol, dihydrolanosterol, and straight-chain aliphatic alcohols. The grade-defining parameters—acid value, hydroxyl value, saponification value, peroxide value, water content, melting range, and sterol/aliphatic alcohol distribution—vary with the saponification route, the extent of molecular distillation or color-removal refining, and the release limits agreed for a given market. Production control is therefore built around two separate questions: which analytical values protect the finished product from instability, and which values protect the downstream unit operation from variable melt behavior or emulsification performance.

Application Fields & Grade Matching Guide

In pharmaceutical ointment manufacture, lanolin alcohol functions as a water-in-oil emulsifier and consistency builder. The controlling parameters are peroxide value, acid value, and water content. Residual hydroperoxides accelerate oxidative degradation of oxygen-sensitive actives during heated mixing, and free acidity can shift the pH of semi-solid formulations. Pharmaceutical grades are normally released against a current monograph such as USP Lanolin Alcohols or Ph. Eur. Alcohol adipis lanae; water content is determined by Karl Fischer titration according to USP general chapter 921, and microbial control follows USP general chapters 61 and 62. On production-scale equipment, the largest quality risk is not the incoming peroxide value alone but the hold time above the melting range in the same indirect-heated stainless steel ointment vessel used for routine manufacture; qualification trials therefore include a simulated heat history.

Cosmetic W/O cream and lotion systems select refined lanolin alcohol primarily on hydroxyl value, melting range, and color. The distribution of sterols and aliphatic alcohols influences interfacial film rigidity and droplet coalescence behavior; a narrow melting range is preferred where the cooling phase is controlled through a high-shear rotor-stator homogenizer. Broader melting material can be processed in low-shear top-entry mixers, but the incorporation temperature may need to be raised to prevent viscosity drift during filling.

Anhydrous stick and lip care products require low-odor refined lanolin alcohol with tightly managed peroxide value and melting range. In hot-fill lines, the molten lanolin alcohol is held above its dropping point; if the peroxide value is not bounded, the hold period accelerates color shift and off-odor. Post-crystallization graininess is assessed by thermal cycling rather than by a single melting point reading.

Industrial emulsifier and surface-conditioning uses are less dependent on pharmacopoeial identity and more dependent on acid value, water content, and batch-to-batch consistency. Lanolin alcohol may be incorporated into lubricating grease, metalworking fluid, and leather treatment compounds where a high-viscosity hydrophobic emulsifier is required. The grade selection for these applications is driven by delivered hydroxyl content per unit cost and reproducibility under high-shear dispersion, not by compendial status.

The following table summarizes the grade-to-application mapping.

Industry applicationTypical grade designationPrimary quality drivers
Topical pharmaceutical ointment basesPharmacopoeial anhydrous lanolin alcoholPeroxide value, acid value, water content, microbial limits, sterol profile
Cosmetic W/O creams and lotionsRefined cosmetic-grade lanolin alcoholHydroxyl value, melting range, color, odor
Anhydrous sticks and lip careLow-odor refined lanolin alcoholMelting range, peroxide value, hydroxyl value, thermal cycling behavior
Industrial emulsifier and surface conditionerTechnical-grade lanolin alcoholAcid value, water content, saponification value, batch consistency

Key parameters by application are summarized in the following table.

ParameterApplication sensitivityIndustrial consequence
Peroxide valuePharmaceutical ointments, oxygen-sensitive actives, hot-filled sticksControls oxidation during heated blending and hold time; elevated value accelerates color and off-odor formation
Acid valueEmulsion systems, industrial fluids, metal-contact equipmentInfluences pH, corrosiveness in stainless steel vessels, and compatibility with alkaline process additives
Hydroxyl valueW/O cream and ointment productionDetermines emulsifying capacity and oil-holding capacity; major driver for grade cost
Saponification valueIndustrial and certain cosmetic usesReflects residual ester content; changes film-forming behavior and surface greasiness
Water contentAnhydrous pharmaceutical and stick formulationsAffects hydrolysis stability, weighing accuracy, and clarity at elevated processing temperatures
Melting rangeSticks, lip balms, hot-melt processingControls incorporation temperature, post-fill crystallization, and grain formation
Sterol/aliphatic alcohol profilePharmaceutical and cosmetic W/O systemsChanges interfacial film rigidity, cold storage stability, and compatibility with polar oils

When lanolin alcohol grade selection must follow a controlled qualification sequence

How to select the right grade is governed by the following five-step sequence. Each step removes a specific form of mismatch between raw material specification and production-line requirement.

  1. Step 1—Define application. The intended function determines which parameters are release-critical: water-in-oil emulsification in a pharmaceutical ointment demands traceable peroxide value, acid value, water content, and microbial data; hot-filled stick production demands melting range and low-odor behavior; industrial emulsification demands acid value and batch-to-batch consistency under high-shear mixing.
  2. Step 2—Identify regulatory requirements. If the finished product is a drug, the lanolin alcohol is qualified against the applicable USP or Ph. Eur. monograph. Cosmetic use within the EU requires documentation suitable for the cosmetic product safety report under EC 1223/2009. Industrial chemical use requires registration and safety data under REACH and classification under CLP. These obligations determine which mandatory certificates, residual solvent statements, and microbial methods must accompany the batch.
  3. Step 3—Evaluate purity needs. Purity is not a single number; it is the combined limit set for peroxide value, acid value, hydroxyl value, water content, and the sterol/aliphatic alcohol profile. For oxygen-sensitive actives, the lowest available peroxide value should be requisitioned and the package should be specified with inert gas flushing. For anhydrous ointments, the water content must be below the formulation tolerance; if incoming water content is too high, vacuum drying may be applied only after confirming that the drying step does not raise peroxide value.
  4. Step 4—Consider volume & budget. Pharmacopoeial grade lanolin alcohol carries additional refining and analytical burden compared with technical material: molecular distillation, color-removal treatment, low-odor stripping, and batch-by-batch compendial release testing all raise cost. For small-volume pharmaceutical manufacture, a single approved pharmacopoeial grade with assigned stability monitoring is usually less costly than repeated qualification of lower-priced technical material. High-volume technical use should not pay for pharmacopoeial testing when the process does not require it.
  5. Step 5—Request sample for validation. The sample should be processed on production-representative equipment, such as the intended heated vacuum mixer or high-shear rotor-stator homogenizer. Validation points include viscosity after 24 h, emulsion stability after thermal cycling or centrifugation, color after simulated hot hold, peroxide value after the full heat history, and odor compatibility with the finished packaging. Rejection limits are derived from the finished product stability specification, not from supplier data alone.
The quality compliance framework for Lanolin Alcohol is constructed around grade-specific release rather than a single universal certificate. A production campaign may be directed to pharmaceutical, cosmetic, or industrial derivative specifications depending on the wool grease fraction selected, the high-vacuum distillation cut, and the purification sequence. The applicable quality management system, compendial monograph, and documentation package are therefore confirmed before quotation and stated on the purchase order. Quality management certification for the production site is maintained under ISO 9001:2015. The system governs incoming wool grease evaluation, in-process acid value and hydroxyl value checks, nonconforming product isolation, batch traceability, and supplier requalification. Supplier change control under ISO 9001:2015 clause 8.4 requires a documented revalidation batch when a new crude wool grease source is introduced. For cosmetic-grade material, manufacturing operations are conducted within a cosmetic GMP system referenced to ISO 22716:2007, covering personnel hygiene, cleaning validation, packaging line integrity, and retained sample management. Environmental and occupational safety management at the production site are certified under ISO 14001:2015 and ISO 45001:2018, which support solvent recovery, high-vacuum distillation safety, and distillation residue disposal. Product-specific certification depends on the grade. Pharmaceutical-grade Lanolin Alcohol can be released against the current Ph. Eur. and USP–NF monographs for Lanolin Alcohols where the order requires compendial status. Analytical parameters include acid value, hydroxyl value, melting range, water content, residue on ignition, and sterol distribution by gas chromatography. Acceptance limits are not fixed across all grades: cosmetic and industrial derivative grades may be released under a narrower specification for color, peroxide value, and non-sterol content, while pharmaceutical orders require tighter residue controls and compendial method alignment. Kosher and Halal certificates are batch-specific and are issued only after certified production flow and cleaning validation have been completed on shared equipment. The standard documentation package consists of a batch-specific certificate of analysis, a safety data sheet conforming to Regulation (EC) No 1907/2006 REACH Annex II, and a traceability statement linking the batch to the incoming wool grease lot and distillation campaign. On request, the manufacturer can provide a residual solvent declaration, an elemental impurity statement following ICH Q3D for pharmaceutical routes of administration, and a TSE/BSE statement for wool-derived material. The certificate of analysis lists method references; compendial parameters use pharmacopoeial methods, while sterol profile is reported by GC-FID.
Document / Certificate Reference / Basis Applicable Grade Release Timing
Site quality system certificate ISO 9001:2015 All grades Current certificate on request
Cosmetic GMP certificate ISO 22716:2007 Cosmetic grades Current certificate on request
Compendial certificate of analysis Ph. Eur. / USP–NF Pharmaceutical grades Batch-specific
Safety data sheet Regulation (EC) No 1907/2006 REACH Annex II All shipments With each shipment
Batch certificate of analysis In-house and pharmacopoeial methods All grades With each batch
Kosher / Halal certificate Certified production flow Certified campaigns Batch-specific

Procurement Support, Capacity Allocation and Flexible Supply Logic

Lanolin Alcohol supply is campaign-based because the raw material, wool grease, carries natural compositional variation that must be controlled before high-vacuum fractionation. The production sequence consists of hydrolysis, solvent removal, and short-path or molecular distillation. The rate-limiting unit operation is the high-vacuum distillation stage; availability is therefore managed by allocating distillation windows rather than operating as a continuous-flow line. A rolling forecast from the buyer is used to reserve reactor and distillation capacity, and the manufacturer confirms committed monthly volumes against a defined annual campaign plan. Spot availability may be constrained by cleaning validation, compendial line-clearing requirements, and retained sample release testing. Core production capacity is limited by the cleaning and changeover burden between certified and non-certified campaigns. The distillation system uses stainless-steel equipment with internal condensation, and cleaning includes solvent reflux and vacuum drying. Rinsate analysis verifies the absence of carryover sterol fractions before the next campaign. This means actual annual throughput is lower than nameplate distillation capacity because a defined share of equipment time is reserved for line clearance, cleaning validation, and compendial batch release. The supply model therefore emphasizes committed program volumes and forecast-linked allocation rather than unbuffered spot supply. Sampling is processed through a technical questionnaire and a signed non-disclosure agreement. The questionnaire records intended use, compendial status, physical form, and any specific specification requirement such as peroxide value or color. Samples are drawn from retained production lots or a dedicated laboratory batch, not from non-representative pilot material. Each sample is shipped with a provisional certificate of analysis and safety data sheet. For pharmaceutical formulation work, the sample batch number is reserved so that method comparison and reference standard alignment can be traced back to the production lot. Flexible cooperation is provided through standard supply, annual call-off contracts, toll processing, and customer-specific specification development. Standard supply covers fixed lot sizes from current batch inventory. Annual call-off contracts reserve an agreed annual volume with scheduled monthly or quarterly draw-downs. Toll processing allows the buyer to supply pre-approved crude wool grease or a specified lanolin fraction; the manufacturer performs hydrolysis, high-vacuum fractionation, and release testing under the buyer’s specification. Customer-specific specification development adjusts the distillation cut and post-treatment steps to achieve a narrower acid value, color, or sterol composition window, with development data reported in a technical file. All modes maintain batch traceability to the raw material lot and processing campaign, and the selected mode is confirmed during request-for-quotation because it affects lead time, analytical load, and capacity allocation.

Process development for lanolin alcohol now centres on molecular distillation and sterol fractionation rather than simple saponification. The raw material is wool grease recovered from scouring liquor; alkaline hydrolysis releases the alcohol fraction, which carries residual hydrocarbons, organochlorine pesticide residues, oxidation products, and color bodies. Current R&D hotspots include low-residue pharmacopoeia grades, controlled cholesterol-to-lanosterol ratios, and light-stable low-odor cuts for leave-on topical systems. Short-path wiped-film evaporators are used to remove low-volatility impurities; the thermal exposure window is narrow because delta-7 sterols and dihydrocholesterol degrade under excessive heat, generating cholesterol oxidation products that alter peroxide value and color. Exact vacuum, wiper speed, and residence time are grade-dependent and are linked to the feed’s free fatty acid content and unsaponifiable matter.

In pharmaceutical processing, lanolin alcohol is incorporated into water-in-oil ointment bases; the critical technical requirements are low peroxide value, controlled acid value, and absence of visible particulate matter after melt filtration. Emerging applications also include veterinary topical preparations and industrial bio-based emulsifier packages, where hydrolytic stability in alkaline emulsions and compatibility with sulfonated vegetable oils and mineral oil blends are evaluated. Technical challenges remain in batch-to-batch consistency, residual pesticide removal, and oxidative stability. Breakthroughs have come from adsorption bleaching followed by high-vacuum fractionation; supercritical CO₂ deodorization is evaluated where solvent residues and thermal load must be minimized. Analytical control relies on hydroxyl value, acid value, peroxide value, water content, and capillary gas chromatography for sterol distribution. Published data for specific process configurations is limited, so release limits are normally agreed between the manufacturer and customer.

What Will Constrain the 3–5-Year Market Position?

Market forecast 3–5 years: Demand for lanolin alcohol is linked to pharmacopoeia-grade ointment bases and natural-origin cosmetic emulsifiers. Quantitative market projections for this single derivative are limited; the manufacturer’s operational assumption is that demand follows wool grease supply and replacement of synthetic low-HLB emulsifiers in regulated markets. Grades with low odor, low pesticide residues, and low peroxide value are expected to command stricter release criteria rather than broad volume growth.

Technological evolution is expected to focus on continuous saponification with inline hydroxyl value and peroxide value trending, solvent recovery loops, and predictive sterol profiling. Near-infrared or Raman spectroscopic methods may be adapted for in-process color and oxidation control; however, published data for this specific configuration is limited. Fractionation of cholesterol-rich cuts for pharmaceutical applications is likely to become more controlled rather than dependent on feedstock origin.

Sustainability and green chemistry are based on valorization of wool grease, a by-product of wool scouring. Recovery reduces organic load in scouring effluent. Green chemistry efforts centre on replacement of solvent-intensive acid-activated bleaching with adsorptive or supercritical CO₂ steps. The main boundary condition is animal-origin supply; formulators seeking vegan-compatible alternatives cannot use lanolin alcohol. Solvent recovery and inert-gas blanketing reduce waste and oxidative losses.

Technical Consultation, Application Optimization, and After-Sales Obligations

Technical consultation covers selection of the appropriate alcohol grade against hydroxyl value, acid value, peroxide value, water content, color, and sterol profile. The manufacturer provides batch analytical data, pharmacopoeia compliance statements where required, residual pesticide testing summaries, and regulatory documentation under confidentiality agreements. The standard references are USP/NF and Ph. Eur. where customer formulations require compendial grade input.

ParameterMain downstream impactStandard/reference basis
Hydroxyl valueEmulsification efficiency and derivative reactivityUSP/NF Lanolin Alcohols; Ph. Eur. Wool Alcohols
Acid valueResidual acidity; affects color and oxidative behaviorCompendial or internal release limit
Peroxide valueOxidative degradation markerCompendial method; limit defined by grade
Water contentFormulation reproducibility and microbial riskKarl Fischer titration; drying control
Sterol/alcohol profileBatch consistency in pharmaceutical and cosmetic emulsificationCapillary GC fingerprint; feedstock blending

Application optimization support includes laboratory emulsification trials in customer-specific formulations, such as water-in-oil pharmaceutical ointments, low-water barrier creams, and concentrated industrial emulsifiers. The service group evaluates wetting, low-HLB emulsifier function, viscosity build, and heat stability in the customer’s actual base formulation. Scale-up is based on controlled melting and transfer; drum melting is carried out under inert gas at the lowest workable temperature to avoid peroxide and color shifts. Formulations should avoid simultaneous heating in open vessels and contact with strong oxidizers because unsaturated sterol components are susceptible to peroxide formation.

After-sales commitment includes retention of batch manufacturing records, retained samples, re-analysis of retained material when non-conformance is reported, root cause investigation, and corrective action. Batch traceability is maintained from scouring lot to finished drum. Customer-specific release limits are archived; non-conformance investigations are executed against retained sample data and batch manufacturing records. Applicability of the support deliverable to a given formulation is established by the customer’s own stability, safety, and regulatory assessment.

Lanolin alcohol, also referred to as wool wax alcohol, CAS 8027-33-6, is produced at the manufacturing site as the purified unsaponifiable fraction of degreased pharmaceutical-grade wool grease. The process sequence consists of alkali saponification, solvent partitioning of the sterol and aliphatic alcohol fraction, and multiple molecular distillation passes that reduce free fatty acid content, oxidized sterol residues, and short-chain polar contaminants. The molten product is solidified under controlled cooling into pastilles or flakes, with the final physical form determined by capillary melting range rather than ambient pour characteristics. The composition is a defined multi-component mixture of cholesterol, lanosterol, dihydrolanosterol, and linear aliphatic alcohols primarily in the C18–C36 range.

Where Lanolin Alcohol Enters Industrial and Pharmaceutical Formulation

The principal industrial demand for lanolin alcohol remains anhydrous absorption bases for dermatological and veterinary ointments. In such systems, lanolin alcohol is compounded at 5–25% into petrolatum, mineral oil, or paraffin bases. Water uptake is not passive solubility; the sterol fraction forms a lamellar liquid-crystal interface capable of immobilizing water during high-shear mixing at 45–60°C. Typical laboratory processing uses a propeller mixer at tip speeds of 2–5 m/s, with the aqueous phase added after the base has cooled below 50°C. Emulsion type shifts from water-in-oil to a mixed-phase gel as water loading exceeds the lamellar saturation limit of the formulation.

In personal care emulsions, lanolin alcohol functions as a water-in-oil emulsifier and stabilizer. Its sterol content stiffens the continuous oil phase and raises the yield stress of the emulsion. Published formulation data for specific commercial creams is limited, but laboratory evaluation under ISO 22716:2007 cosmetic GMP controls generally uses a 30-day stability screen at 4°C, 25°C, and 45°C to compare phase separation and viscosity drift.

In solvent-borne corrosion preventive compounds, lanosterol and cholesterol derivatives act as polar boundary layers between metal oxide surfaces and low-polarity hydrocarbon waxes. Addition levels of 2–10 wt% improve wetting of cold-rolled steel coupons in salt-spray testing under ISO 9227:2017; however, published data for quantitative rust creep reduction in fully formulated systems is limited. Performance must be assessed against the specific hydrocarbon resin and sulfonate package. Lanolin alcohol is soluble in mineral spirits, dearomatized aliphatic hydrocarbons, and xylene at ambient temperature. Precipitation may occur below -10°C in high-paraffin solvent blends.

Leather fatliquoring uses lanolin alcohol as a secondary softening component. The product is dispersed into the fatliquor at 60°C drum float temperature and applied at 0.5–2.0% based on wet-blue weight. The polar alcohol fraction reduces migration of triglyceride fatliquors to the grain surface. Production-scale observation on retanned upper leather shows reduced spew after conditioning at 20°C and 65% RH for 14 days. Neat melt addition is not used because uneven uptake and visual residue have been observed on production drums.

What Limits Batch Homogeneity in Hydroxyl-Value Control?

Hydroxyl value drift in lanolin alcohol originates primarily from incomplete saponification of the parent wool grease and from thermal dehydration of sterols during molecular distillation. A production batch is defined as homogenized material collected from a continuous distillation campaign, sampled from the molten hold tank at 70–80°C before solidification. The quality unit tests each batch for acid value, saponification value, hydroxyl value, iodine value, melting range, peroxide value, moisture, and total ash. Release limits are aligned with the current Ph. Eur. and USP-NF monographs for lanolin alcohols.

ParameterMethodRelease Limit
Acid valuePh. Eur. 2.5.12.0 mg KOH/g
Hydroxyl valuePh. Eur. 2.5.3120–160 mg KOH/g
Saponification valuePh. Eur. 2.5.612.0 mg KOH/g
Iodine valuePh. Eur. 2.5.418–36 g I₂/100 g
Melting rangePh. Eur. 2.2.1456–60°C
WaterPh. Eur. 2.5.320.5%
Total ashPh. Eur. 2.4.160.1%

Each certificate of analysis includes the batch number, production date, retest date, and the actual value for each release parameter. A batch is released only when all monograph limits are met and the peroxide value does not exceed 5 meq O₂/kg under the internal stability criterion.

Standard packaging for lanolin alcohol is selected to prevent blocking at ambient warehouse temperatures above 35°C. Pastilles are filled into food-grade polyethylene liners inside 20 kg multiwall paper bags, 50 kg fibre drums, or 500 kg FIBCs. Flake material intended for continuous compounding is packed in 25 kg PE-lined cartons. The filling line operates under nitrogen blanketing to limit headspace oxygen. Storage conditions are defined as 15–25°C in a dry, odor-free warehouse. Prolonged storage above 30°C accelerates surface tack and can increase peroxide value. Molten bulk delivery is not offered because of thermal degradation risk during transit.

Pack FormatNet WeightTypical Use
Pastilles, PE-lined multiwall bag20 kgSmall-batch compounding
Pastilles, fibre drum50 kgPharmaceutical batch preparation
Flakes, PE-lined carton25 kgContinuous feeding systems
Pastilles, FIBC with PE liner500 kgBulk manufacturing

When Technical Support Prevents Rework in Downstream Compounding

Technical support for industrial buyers is structured around a pre-production formulation review rather than post-sale troubleshooting alone. A certificate of analysis and regulatory documentation covering REACH status, residual solvent data, and residual wool grease markers are supplied with each shipment. For emulsion applications, the technical group evaluates the oil-phase polarity and required water absorption against the product’s hydroxyl value and sterol profile. A compatibility screen is normally performed at 10 wt% loading in mineral oil, petrolatum, isopropyl myristate, and a paraffinic process oil. Visual clarity and precipitation are recorded at 25°C and 5°C. Where downstream viscosity or emulsion stability falls outside the expected window, corrective review first confirms that the melt temperature was correct and that the aqueous phase was added below 50°C; dose adjustment is not applied before thermal history is ruled out.

Procurement teams evaluating lanolin alcohol from a direct production site can use the certificate of analysis, production batch record, and audit trail as part of supplier qualification under ISO 9001:2015 and, where relevant, ISO 15378:2017 for pharmaceutical packaging supply chains. Distributors can allocate inventory by production date because the packaging line applies a single batch identity across each pallet and includes a sealed certificate of analysis per lot. The cost-in-use impact for manufacturers is driven by batch-to-batch hydroxyl value stability. A variation of ±5 mg KOH/g within the pharmacopoeial range can shift water absorption in an anhydrous base sufficiently to require rework of a 500 kg production batch. Direct manufacturing control reduces this drift by standardizing the lanolin feedstock lot, saponification time, and molecular distillation cut points.

Preguntas frecuentes industriales

Technical Question: What are the typical physicochemical specifications (e.g., hydroxyl value, acid value, melting range) for lanolin alcohol per USP/NF or Ph. Eur. monographs?

Our lanolin alcohol stream is generated by alkaline saponification of wool grease, calcium soap separation, and vacuum distillation of the unsaponifiable sterol/alcohol fraction. Release testing is performed in our plant QC laboratory against both USP-NF and Ph. Eur. monographs; where the two compendia differ, our internal specification applies the stricter limit.

What limits are applied in routine certificate-of-analysis release?

ParameterUSP-NF limitPh. Eur. limitTest method
Hydroxyl value120–160 mg KOH/g120–160 mg KOH/gUSP <401>, Ph. Eur. 2.5.3
Acid value≤ 2.0 mg KOH/g≤ 1.0 mg KOH/gUSP <401>, Ph. Eur. 2.5.1
Saponification value≤ 10 mg KOH/g≤ 10 mg KOH/gUSP <401>, Ph. Eur. 2.5.6
Melting range / melting point50–62 °C54–62 °CUSP <741>, Ph. Eur. 2.2.14
Cholesterol (C27H46O)≥ 20.0%20.0–35.0%Gas chromatographic assay per monograph
Loss on drying / water≤ 0.5%≤ 0.5%USP <731>, Ph. Eur. 2.5.12
Peroxide valueNot specified≤ 20 meq O2/kgPh. Eur. 2.5.5
Sulfated ash / residue on ignition≤ 0.1%≤ 0.1%USP <281>, Ph. Eur. 2.4.14

Hydroxyl value, acid value, and saponification value are determined by potentiometric titration per the relevant compendial methods; melting range is run on a Mettler Toledo MP70 capillary melting point system at 1 °C/min from 40 °C to 70 °C. Our standard packaging is 25 kg net in HDPE pails with double LDPE liners under nitrogen. In-process peroxide monitoring and nitrogen blanketing during flaking are used to limit oxidative degradation; all product-contact surfaces are 316L stainless steel. The material is stored below 25 °C in tightly closed, light-resistant containers. It is practically insoluble in water and cannot be incorporated into aqueous systems without prior emulsification. Batches with acid value above 1.0 mg KOH/g are released only against the USP-NF monograph, not as Ph. Eur. grade.

Procurement Question: What are the available grades, packaging sizes, minimum order quantities, and typical lead times for sourcing lanolin alcohol from approved suppliers?

We supply lanolin alcohol direct from our production site as a molecular-distilled wool wax unsaponifiable fraction. Saponification is followed by wiped-film evaporation on a 2,500 kg batch line to control cholesterol content within 25–35% w/w. Each released batch is supported by a certificate of analysis covering hydroxy value, acid value, peroxide value, and Gardner color under ISO 9001:2015 and cGMP. Our standard production lots are preserved for 24 months at ≤25 °C.

Which Analytical Release Limits Separate the USP–NF, Low-Cholesterol, and Technical Grades?

The three controlled grades are released against the following limits. The low-cholesterol grade is intended for systems where free cholesterol crystallization during cooling is a processing constraint; on a 25 mm twin-screw compounding line, pre-melting at 55 °C is required to avoid screw slippage at feed throat temperatures below 40 °C.

GradeCholesterol contentHydroxyl valueDrop melting pointReference standard
LAA-EP/USP28–34% w/w120–150 mg KOH/g52–58 °CUSP–NF Lanolin Alcohols monograph
LAA-LC30≤12% w/w140–170 mg KOH/g48–54 °CUSP–NF / Ph. Eur. aligned specification
LAT-10020–28% w/w100–135 mg KOH/g45–52 °CInternal technical specification

When a purchase order specifies standard drummed material, our packaging is 25 kg net in HDPE drum with food-contact LDPE liner and 50 kg open-mouth drum. For continuous compounding users, melt-ready product is supplied in 180 kg internally coated steel drum or 500 kg flexible intermediate bulk container with PE liner. Minimum order quantity for pharmaceutical grades is 500 kg; for technical/cosmetic grade the minimum order quantity is 100 kg. Orders below 500 kg are accepted only from existing process users with a documented quality agreement.

Lead times are calculated from receipt of a conforming purchase order and technical clearance. Standard drummed LAA-EP/USP and LAT-100 orders of 500–2,000 kg ship within 7–10 working days; low-cholesterol LAA-LC30 and orders above 2,000 kg ship within 15–20 working days because of dedicated wiped-film distillation capacity. Custom particle-size reduction below 250 µm adds 3 working days. Documentation includes batch certificate, residual solvent statement, and REACH compliance statement for EU shipments.

For pharmaceutical and cosmetic buyers, our regulatory documentation package includes the current ISO 9001:2015 certificate, cGMP audit summary, BSE/TSE statement, and allergen statement for wool-derived material. The production line is dedicated to lanolin derivatives, reducing cross-contact risk with non-wool waxes.

Molten handling above 60 °C should not exceed 12 h to avoid Gardner color drift above 6. Avoid storage with strong oxidizing agents; product solidified after remelting may require re-homogenization at 50 °C before compounding.

Logistics & Compliance Question: What documentation, labeling, and regulatory compliance (e.g., SDS, REACH, GHS, customs HS code) are required for importing and transporting lanolin alcohol internationally?

Lanolin alcohol shipped direct from our factory is a UVCB wax alcohol mixture identified by CAS 8027-33-6 and EC 232-430-1. We supply the product in 25 kg net HDPE-lined fibre drums and 180 kg net epoxy-lined steel drums; drum tare weights and dimensions are stated on the packing list. We issue a current extended safety data sheet under EC 1907/2006 Annex II and EC 1272/2008, together with batch-specific certificate of analysis, technical data sheet, and a REACH compliance statement. Our product is not assigned a UN number, packing group, or transport hazard class under current IMDG Code, IATA DGR, and ADR.

The HS code declared on our export invoice is 1505.90, covering wool grease derivatives. Some national import systems require additional digits beyond the six-digit harmonized code; our export documentation states the complete code where known. The product is not subject to a hazardous goods declaration; therefore no placards, orange plates, or DG marks are applied to the drum or pallet. SDS Section 14 is entered as “Not regulated for transport.”

What must appear on the outer drum label for road and sea freight?

Each drum label carries the product identifier, CAS 8027-33-6, EC 232-430-1, net weight, batch number, production date, retest date, and the HS code 1505.90 declared on our export invoice. The GHS label mirrors SDS Section 2; current classification under EC 1272/2008 is Skin Sens. 1B, H317, with the GHS07 pictogram and the signal word Warning. Precautionary statements P261, P272, P280, P302+P352, P333+P313, and P501 are printed on the label. A weather-resistant polyethylene-coated label is applied to both drum sidewall and lid. The label also carries the 24/7 emergency telephone number shown in SDS Section 1.4.

DocumentBinding referenceContent
Extended SDSEC 1907/2006 Annex II; EC 1272/2008Sections 1–16, Skin Sens. 1B classification, registered uses, exposure scenarios
Certificate of analysisPharmacopoeial-aligned internal methodsBatch values for hydroxyl value, acid value, color, melting range
Technical data sheetInternal specificationStorage, handling, solubility parameters
Commercial invoice and packing listIncoterms 2020; HS 1505.90Net/gross weights, country of origin, batch mapping
Certificate of originNon-preferential rulesCountry of origin declaration
Bill of lading / air waybillIMDG Code; IATA DGRNon-dangerous goods declaration, 24/7 emergency contact

Stability and storage boundaries enter the import file as part of GHS Section 7.

For our current production stream, the SDS classifies lanolin alcohol as Skin Sens. 1B, H317 under EC 1272/2008; no acute toxicity or aquatic chronic hazard band is assigned. Precautions remain mandatory because the product is a wax; we specify storage in sealed drums at 15–25 °C and exclude moisture ingress above 60% RH. If processing requires heating above 70 °C, our technical team specifies nitrogen blanketing for bulk handling to limit oxidative discoloration. The REACH compliance statement is included in the extended SDS, and our regulatory contact is identified in Section 1.3 of each SDS. National GHS implementations may require translated SDS and label artwork; our documentation team can issue translated versions from the same master data file.

Technical Support & Inquiry

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