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12-Hydroxystearic Acid (12-HSA) is a saturated hydroxy fatty acid containing both a carboxylic acid group and a secondary hydroxyl group.
12-Hydroxystearic Acid (12-HSA) is commonly manufactured from castor-oil-derived ricinoleic acid through hydrogenation and subsequent hydrolysis or fatty-acid processing.
12-Hydroxystearic Acid (12-HSA) is widely used as a raw material for lubricating greases, metal soaps, cosmetics, coatings, rubber compounds, surfactants, polymers, and specialty oleochemical derivatives.
CAS Number: 106-14-9
EC Number: 203-366-1
Molecular Formula: C18H36O3
Molecular Weight: 300.48 g/mol
Synonyms: 12-Hydroxystearic Acid, 12-HSA, 12-Hydroxy Stearic Acid, 12-Hydroxyoctadecanoic Acid, 12-Hydroxyoctadecanoic Acid, DL-12-Hydroxystearic Acid, D,L-12-Hydroxystearic Acid, Racemic 12-Hydroxystearic Acid, Hydroxystearic Acid, Hydroxy Stearic Acid, 12-Oxystearic Acid, 12-Oxyoctadecanoic Acid, Stearic Acid 12-Hydroxy Derivative, Octadecanoic Acid 12-Hydroxy Derivative, Hydrogenated Ricinoleic Acid, Hydrogenated Castor Fatty Acid, Castor-Oil-Derived Hydroxy Fatty Acid, HCO-Derived Fatty Acid, High-Melting Hydroxy Fatty Acid, Hydroxylated C18 Fatty Acid, C18 Hydroxy Fatty Acid, Secondary Hydroxy Fatty Acid, 12-Hydroxy C18:0 Fatty Acid, 12-Hydroxyoctadecanoate Acid, 12-HSA Flakes, 12-HSA Powder, Industrial 12-HSA, Cosmetic-Grade 12-HSA, Grease-Grade 12-HSA, Rubber-Grade 12-HSA, Coating-Grade 12-HSA, Lithium-Grease Raw Material, Metal-Soap Raw Material, Organogelator 12-HSA, Fatty-Acid Gelling Agent, Oleochemical Structuring Agent, Hydroxystearic Acid Wax, High-Melting Fatty-Acid Wax, Hydroxy Fatty-Acid Intermediate, Polyhydroxystearic Acid Monomer, Cerit Fac 3
APPLICATIONS
12-Hydroxystearic Acid (12-HSA) is used as a principal raw material for manufacturing lithium 12-hydroxystearate grease.
12-Hydroxystearic Acid (12-HSA) is used to prepare lithium-soap thickeners for automotive and industrial lubricating greases.
12-Hydroxystearic Acid (12-HSA) is used in multipurpose lithium greases requiring mechanical stability and water resistance.
12-Hydroxystearic Acid (12-HSA) is used in lubricating greases designed to maintain consistency across a broad operating-temperature range.
12-Hydroxystearic Acid (12-HSA) is used in automotive wheel-bearing greases.
12-Hydroxystearic Acid (12-HSA) is used in chassis greases for passenger and commercial vehicles.
12-Hydroxystearic Acid (12-HSA) is used in lubricants for universal joints, suspension components, and mechanical linkages.
12-Hydroxystearic Acid (12-HSA) is used in grease formulations for automotive components exposed to vibration and mechanical shear.
12-Hydroxystearic Acid (12-HSA) is used in industrial bearing greases.
12-Hydroxystearic Acid (12-HSA) is used in lubricants for electric motors, pumps, fans, and rotating equipment.
12-Hydroxystearic Acid (12-HSA) is used in greases for conveyor bearings and production machinery.
12-Hydroxystearic Acid (12-HSA) is used in centralized lubrication systems after consistency and pumpability testing.
12-Hydroxystearic Acid (12-HSA) is used in high-temperature grease formulations.
12-Hydroxystearic Acid (12-HSA) is used to help produce greases with elevated dropping points.
12-Hydroxystearic Acid (12-HSA) is used in lubricants requiring resistance to softening at increased temperatures.
12-Hydroxystearic Acid (12-HSA) is used in grease systems designed for intermittent high-temperature operation.
12-Hydroxystearic Acid (12-HSA) is used in lithium-complex greases.
12-Hydroxystearic Acid (12-HSA) is used with suitable complexing agents to produce high-performance grease thickeners.
12-Hydroxystearic Acid (12-HSA) is used in complex greases requiring improved thermal and mechanical stability.
12-Hydroxystearic Acid (12-HSA) is used in premium industrial lubricants designed for demanding service conditions.
12-Hydroxystearic Acid (12-HSA) is used to manufacture calcium 12-hydroxystearate.
12-Hydroxystearic Acid (12-HSA) is used in calcium-soap greases requiring good water resistance.
12-Hydroxystearic Acid (12-HSA) is used in lubricants for equipment operating in humid environments.
12-Hydroxystearic Acid (12-HSA) is used in grease systems where resistance to water washout is important.
12-Hydroxystearic Acid (12-HSA) is used to manufacture sodium 12-hydroxystearate.
12-Hydroxystearic Acid (12-HSA) is used in specialty sodium-soap lubricant formulations.
12-Hydroxystearic Acid (12-HSA) is used as a precursor for mixed metal hydroxystearates.
12-Hydroxystearic Acid (12-HSA) is used in customized grease-thickener systems containing more than one metal cation.
12-Hydroxystearic Acid (12-HSA) is used to manufacture aluminum hydroxystearates.
12-Hydroxystearic Acid (12-HSA) is used to manufacture magnesium hydroxystearates.
12-Hydroxystearic Acid (12-HSA) is used to manufacture zinc hydroxystearates.
12-Hydroxystearic Acid (12-HSA) is used as an intermediate for specialty metallic soaps used in lubricants and industrial formulations.
12-Hydroxystearic Acid (12-HSA) is used in biodegradable and renewable-content lubricant development.
12-Hydroxystearic Acid (12-HSA) is used in vegetable-oil-based grease systems.
12-Hydroxystearic Acid (12-HSA) is used in lubricants formulated with ester and bio-based base oils.
12-Hydroxystearic Acid (12-HSA) is used where formulators seek castor-oil-derived oleochemical raw materials.
12-Hydroxystearic Acid (12-HSA) is used in marine lubricating greases.
12-Hydroxystearic Acid (12-HSA) is used in greases for deck machinery, winches, bearings, and mechanical fittings.
12-Hydroxystearic Acid (12-HSA) is used in lubricant systems exposed to moisture and salt-containing environments.
12-Hydroxystearic Acid (12-HSA) is used in marine greases after corrosion-protection and water-resistance testing.
12-Hydroxystearic Acid (12-HSA) is used in agricultural and construction-equipment greases.
12-Hydroxystearic Acid (12-HSA) is used in lubricants for excavators, loaders, tractors, and material-handling equipment.
12-Hydroxystearic Acid (12-HSA) is used in greases subjected to shock loading and mechanical shear.
12-Hydroxystearic Acid (12-HSA) is used in heavy-equipment lubricants requiring dependable adhesion to metal surfaces.
12-Hydroxystearic Acid (12-HSA) is used in mining-equipment grease formulations.
12-Hydroxystearic Acid (12-HSA) is used in lubricants for crushers, conveyors, screens, and processing machinery.
12-Hydroxystearic Acid (12-HSA) is used in greases exposed to dust, moisture, and heavy mechanical loads.
12-Hydroxystearic Acid (12-HSA) is used in industrial lubricant programs requiring stable thickener structures.
12-Hydroxystearic Acid (12-HSA) is used in steel-mill and metal-processing greases.
12-Hydroxystearic Acid (12-HSA) is used in lubricants for rolling equipment, bearings, and material-transfer systems.
12-Hydroxystearic Acid (12-HSA) is used in grease systems requiring thermal stability and resistance to mechanical working.
12-Hydroxystearic Acid (12-HSA) is used in specialty lubricants after compatibility testing with process contaminants.
12-Hydroxystearic Acid (12-HSA) is used as a low-molecular-weight organogelator.
12-Hydroxystearic Acid (12-HSA) is used to structure oils through the formation of three-dimensional crystalline networks.
12-Hydroxystearic Acid (12-HSA) is used to convert compatible liquid oils into semisolid organogels.
12-Hydroxystearic Acid (12-HSA) is used in formulations requiring oil immobilization without conventional polymeric thickeners.
12-Hydroxystearic Acid (12-HSA) is used in oleogel technology.
12-Hydroxystearic Acid (12-HSA) is used to modify the rheology of vegetable oils and other compatible nonaqueous liquids.
12-Hydroxystearic Acid (12-HSA) is used in structured-oil systems requiring thermoreversible gel behavior.
12-Hydroxystearic Acid (12-HSA) is used in oleogels whose texture is controlled through concentration and cooling conditions.
12-Hydroxystearic Acid (12-HSA) is used in cosmetic stick formulations.
12-Hydroxystearic Acid (12-HSA) is used as a structuring and consistency-building agent in compatible anhydrous products.
12-Hydroxystearic Acid (12-HSA) is used in deodorant and antiperspirant sticks after complete formulation testing.
12-Hydroxystearic Acid (12-HSA) is used in solid personal-care products requiring controlled hardness and payoff.
12-Hydroxystearic Acid (12-HSA) is used in lipstick and lip-care formulations.
12-Hydroxystearic Acid (12-HSA) is used to structure oils and wax blends in color-cosmetic products.
12-Hydroxystearic Acid (12-HSA) is used to influence firmness, application feel, and thermal stability.
12-Hydroxystearic Acid (12-HSA) is used in lip products after compatibility testing with pigments, oils, waxes, and emollients.
12-Hydroxystearic Acid (12-HSA) is used in cosmetic balms.
12-Hydroxystearic Acid (12-HSA) is used in salves and anhydrous skin-conditioning formulations.
12-Hydroxystearic Acid (12-HSA) is used to increase consistency in oil-rich personal-care products.
12-Hydroxystearic Acid (12-HSA) is used to reduce oil migration from compatible semisolid formulations.
12-Hydroxystearic Acid (12-HSA) is used in creams and lotions as a specialty fatty-acid component.
12-Hydroxystearic Acid (12-HSA) is used in emulsions after neutralization or conversion into suitable derivatives.
12-Hydroxystearic Acid (12-HSA) is used to influence texture and emulsion rheology.
12-Hydroxystearic Acid (12-HSA) is used in personal-care formulations only after irritation and stability testing.
12-Hydroxystearic Acid (12-HSA) is used in hair-care formulations.
12-Hydroxystearic Acid (12-HSA) is used in conditioners, styling products, and oil-based treatments after compatibility testing.
12-Hydroxystearic Acid (12-HSA) is used to modify viscosity and product structure.
12-Hydroxystearic Acid (12-HSA) is used as a precursor for functional surfactants and conditioning derivatives.
12-Hydroxystearic Acid (12-HSA) is used in cleansing products through suitable soap and surfactant derivatives.
12-Hydroxystearic Acid (12-HSA) is used to manufacture hydroxystearate salts with emulsifying and structuring properties.
12-Hydroxystearic Acid (12-HSA) is used in specialty soaps requiring modified hardness or texture.
12-Hydroxystearic Acid (12-HSA) is used in surfactant systems after compatibility and performance evaluation.
12-Hydroxystearic Acid (12-HSA) is used as a precursor for PEG hydroxystearates.
12-Hydroxystearic Acid (12-HSA) is used in the manufacture of polyoxyl hydroxystearate nonionic surfactants.
12-Hydroxystearic Acid (12-HSA) is used in the production of solubilizing and emulsifying excipients.
12-Hydroxystearic Acid (12-HSA) is used as an oleochemical intermediate for pharmaceutical- and cosmetic-grade surfactant derivatives.
12-Hydroxystearic Acid (12-HSA) is used in pharmaceutical excipient manufacturing.
12-Hydroxystearic Acid (12-HSA) is used as a raw material for polyoxyl 15 hydroxystearate.
12-Hydroxystearic Acid (12-HSA) is used in derivative production requiring controlled purity and impurity profiles.
12-Hydroxystearic Acid (12-HSA) is used in pharmaceutical manufacturing only when the selected grade meets applicable specifications.
12-Hydroxystearic Acid (12-HSA) is used in experimental ointment and topical-delivery bases.
12-Hydroxystearic Acid (12-HSA) is used to form organogels capable of holding lipophilic active ingredients.
12-Hydroxystearic Acid (12-HSA) is used in research on controlled release from oil-based semisolid systems.
12-Hydroxystearic Acid (12-HSA) is used in topical formulations only after pharmaceutical safety and performance validation.
12-Hydroxystearic Acid (12-HSA) is used in paints as a specialty rheology and structuring raw material.
12-Hydroxystearic Acid (12-HSA) is used in solvent-borne coatings after compatibility testing.
12-Hydroxystearic Acid (12-HSA) is used to influence flow, suspension, and anti-settling behavior in suitable formulations.
12-Hydroxystearic Acid (12-HSA) is used in coatings directly or through metal-soap and polymeric derivatives.
12-Hydroxystearic Acid (12-HSA) is used in pigment dispersants through polyhydroxystearic-acid derivatives.
12-Hydroxystearic Acid (12-HSA) is used as a monomeric starting material for polymeric pigment-wetting agents.
12-Hydroxystearic Acid (12-HSA) is used in dispersants for inorganic and organic pigments.
12-Hydroxystearic Acid (12-HSA) is used in coating additives designed to stabilize pigment dispersions in nonaqueous media.
12-Hydroxystearic Acid (12-HSA) is used in printing inks through hydroxystearate and polymeric derivatives.
12-Hydroxystearic Acid (12-HSA) is used in ink vehicles requiring controlled rheology and pigment wetting.
12-Hydroxystearic Acid (12-HSA) is used in specialty wax and dispersant systems for printing formulations.
12-Hydroxystearic Acid (12-HSA) is used in inks only after evaluating gloss, transfer, drying, and rub resistance.
12-Hydroxystearic Acid (12-HSA) is used in industrial coating additives.
12-Hydroxystearic Acid (12-HSA) is used in the preparation of thixotropic agents and surface modifiers.
12-Hydroxystearic Acid (12-HSA) is used in protective coatings requiring improved pigment suspension.
12-Hydroxystearic Acid (12-HSA) is used in coating systems after confirming its effect on leveling and film appearance.
12-Hydroxystearic Acid (12-HSA) is used in alkyd and modified-alkyd resin chemistry.
12-Hydroxystearic Acid (12-HSA) is used as a functional fatty-acid building block in polyesterification reactions.
12-Hydroxystearic Acid (12-HSA) is used to introduce pendant hydroxyl functionality into selected resin systems.
12-Hydroxystearic Acid (12-HSA) is used in specialty polymers requiring flexible C18 hydrocarbon segments.
12-Hydroxystearic Acid (12-HSA) is used in polyester and polyamide synthesis.
12-Hydroxystearic Acid (12-HSA) is used as a bifunctional raw material containing hydroxyl and carboxyl groups.
12-Hydroxystearic Acid (12-HSA) is used to produce oligomeric and polymeric hydroxystearate materials.
12-Hydroxystearic Acid (12-HSA) is used in bio-based polymer development after reaction and performance optimization.
12-Hydroxystearic Acid (12-HSA) is used to manufacture polyhydroxystearic acid.
12-Hydroxystearic Acid (12-HSA) is used in self-condensation and polyesterification processes.
12-Hydroxystearic Acid (12-HSA) is used to produce oil-soluble polymeric dispersants.
12-Hydroxystearic Acid (12-HSA) is used in polyhydroxystearate derivatives for pigments, cosmetics, coatings, and polymer systems.
12-Hydroxystearic Acid (12-HSA) is used in polyurethane raw-material development.
12-Hydroxystearic Acid (12-HSA) is used to introduce long-chain hydrophobic functionality into selected intermediates.
12-Hydroxystearic Acid (12-HSA) is used in specialty polyols and ester intermediates.
12-Hydroxystearic Acid (12-HSA) is used only after reaction stoichiometry and residual-acid content are controlled.
12-Hydroxystearic Acid (12-HSA) is used in ester manufacturing.
12-Hydroxystearic Acid (12-HSA) is used to produce hydroxystearate esters with modified emolliency and lubricity.
12-Hydroxystearic Acid (12-HSA) is used to manufacture esters for cosmetics, lubricants, coatings, and specialty fluids.
12-Hydroxystearic Acid (12-HSA) is used in esterification with monohydric and polyhydric alcohols.
12-Hydroxystearic Acid (12-HSA) is used in plasticizer and specialty-fluid development.
12-Hydroxystearic Acid (12-HSA) is used as a building block for branched or multifunctional ester products.
12-Hydroxystearic Acid (12-HSA) is used in ester lubricants requiring film strength and polarity.
12-Hydroxystearic Acid (12-HSA) is used in finished fluids after low-temperature and oxidation-stability testing.
12-Hydroxystearic Acid (12-HSA) is used in the rubber industry.
12-Hydroxystearic Acid (12-HSA) is used as a processing aid in selected natural- and synthetic-rubber compounds.
12-Hydroxystearic Acid (12-HSA) is used to influence filler dispersion and compound flow.
12-Hydroxystearic Acid (12-HSA) is used in rubber formulations after cure-rate and physical-property testing.
12-Hydroxystearic Acid (12-HSA) is used as an internal lubricant in rubber processing.
12-Hydroxystearic Acid (12-HSA) is used to reduce friction during mixing, extrusion, or molding.
12-Hydroxystearic Acid (12-HSA) is used to improve release from processing equipment in compatible compounds.
12-Hydroxystearic Acid (12-HSA) is used in rubber systems where excessive surface bloom is avoided through dosage control.
12-Hydroxystearic Acid (12-HSA) is used in tire and technical-rubber development.
12-Hydroxystearic Acid (12-HSA) is used in compounds containing carbon black and mineral fillers.
12-Hydroxystearic Acid (12-HSA) is used in molded rubber goods requiring improved processability.
12-Hydroxystearic Acid (12-HSA) is used only after confirming compatibility with accelerators, sulfur systems, and antioxidants.
12-Hydroxystearic Acid (12-HSA) is used in plastics processing through suitable metal soaps and ester derivatives.
12-Hydroxystearic Acid (12-HSA) is used as a precursor for lubricating and release additives.
12-Hydroxystearic Acid (12-HSA) is used in polymer compounds requiring improved melt processing.
12-Hydroxystearic Acid (12-HSA) is used in plastics only after evaluating migration, compatibility, and thermal stability.
12-Hydroxystearic Acid (12-HSA) is used in mold-release formulations.
12-Hydroxystearic Acid (12-HSA) is used in wax-based release systems for selected industrial processes.
12-Hydroxystearic Acid (12-HSA) is used to modify surface lubricity and release behavior.
12-Hydroxystearic Acid (12-HSA) is used in release agents after confirming that it does not interfere with subsequent coating or bonding.
12-Hydroxystearic Acid (12-HSA) is used in textile auxiliaries.
12-Hydroxystearic Acid (12-HSA) is used as a raw material for surfactants and lubricating agents used in fiber processing.
12-Hydroxystearic Acid (12-HSA) is used in spinning, finishing, and softening auxiliaries through suitable derivatives.
12-Hydroxystearic Acid (12-HSA) is used in textile formulations after compatibility testing with fibers and dyes.
12-Hydroxystearic Acid (12-HSA) is used in leather-processing auxiliaries through ester, soap, and surfactant derivatives.
12-Hydroxystearic Acid (12-HSA) is used in fatliquoring and lubricating formulations after chemical modification.
12-Hydroxystearic Acid (12-HSA) is used to introduce long-chain hydrophobic functionality into specialty leather chemicals.
12-Hydroxystearic Acid (12-HSA) is used in leather applications after evaluating softness, color, and finish compatibility.
12-Hydroxystearic Acid (12-HSA) is used in wax blends.
12-Hydroxystearic Acid (12-HSA) is used to increase hardness and melting behavior in compatible wax formulations.
12-Hydroxystearic Acid (12-HSA) is used in specialty polishing and protective wax products.
12-Hydroxystearic Acid (12-HSA) is used in wax systems after evaluating crystallization, brittleness, and surface appearance.
12-Hydroxystearic Acid (12-HSA) is used in polishes for metal, leather, wood, and other surfaces through suitable formulations.
12-Hydroxystearic Acid (12-HSA) is used to modify consistency and film formation in solvent-based polish systems.
12-Hydroxystearic Acid (12-HSA) is used to improve wax-network strength.
12-Hydroxystearic Acid (12-HSA) is used in polishing products after compatibility testing with solvents and other waxes.
12-Hydroxystearic Acid (12-HSA) is used in hot-melt compounds.
12-Hydroxystearic Acid (12-HSA) is used to modify crystallinity and consistency in selected thermoplastic formulations.
12-Hydroxystearic Acid (12-HSA) is used in hot-melt adhesives through compatible derivatives or additive packages.
12-Hydroxystearic Acid (12-HSA) is used only after evaluating adhesion, open time, viscosity, and thermal stability.
12-Hydroxystearic Acid (12-HSA) is used in sealants and mastics.
12-Hydroxystearic Acid (12-HSA) is used to modify rheology and oil retention in suitable nonaqueous systems.
12-Hydroxystearic Acid (12-HSA) is used in filled compounds requiring controlled consistency.
12-Hydroxystearic Acid (12-HSA) is used after confirming compatibility with binders, plasticizers, fillers, and curing agents.
12-Hydroxystearic Acid (12-HSA) is used in corrosion-preventive compounds.
12-Hydroxystearic Acid (12-HSA) is used as a precursor for metal soaps and polar lubricant additives.
12-Hydroxystearic Acid (12-HSA) is used in protective wax and oil films.
12-Hydroxystearic Acid (12-HSA) is used in temporary corrosion-protection products after humidity and salt-spray testing.
12-Hydroxystearic Acid (12-HSA) is used in metalworking formulations.
12-Hydroxystearic Acid (12-HSA) is used in specialty lubricants for drawing, forming, and machining operations.
12-Hydroxystearic Acid (12-HSA) is used through soaps and esters that provide lubricity and surface affinity.
12-Hydroxystearic Acid (12-HSA) is used in metalworking products after evaluating residue, corrosion, and cleaning behavior.
12-Hydroxystearic Acid (12-HSA) is used in emulsifier manufacturing.
12-Hydroxystearic Acid (12-HSA) is used to manufacture nonionic, anionic, and polymeric hydroxystearate derivatives.
12-Hydroxystearic Acid (12-HSA) is used in emulsifiers for cosmetic, pharmaceutical, coating, and industrial systems.
12-Hydroxystearic Acid (12-HSA) is used where the hydroxylated fatty chain provides both polarity and hydrophobic character.
12-Hydroxystearic Acid (12-HSA) is used in dispersant manufacturing.
12-Hydroxystearic Acid (12-HSA) is used as a hydrophobic anchor segment in polymeric dispersants.
12-Hydroxystearic Acid (12-HSA) is used in additives for dispersing pigments and inorganic powders in oils.
12-Hydroxystearic Acid (12-HSA) is used in dispersants requiring compatibility with nonpolar liquid phases.
12-Hydroxystearic Acid (12-HSA) is used in surfactant manufacturing.
12-Hydroxystearic Acid (12-HSA) is used to produce ethoxylated, esterified, and neutralized derivatives.
12-Hydroxystearic Acid (12-HSA) is used in wetting, emulsifying, solubilizing, and stabilizing agents.
12-Hydroxystearic Acid (12-HSA) is used as a renewable C18 building block for specialty surface-active chemicals.
12-Hydroxystearic Acid (12-HSA) is used in laboratory organogel research.
12-Hydroxystearic Acid (12-HSA) is used to study self-assembly and hydrogen-bonded fiber formation.
12-Hydroxystearic Acid (12-HSA) is used to investigate the effect of cooling rate on gel microstructure.
12-Hydroxystearic Acid (12-HSA) is used in rheological studies of structured oils and nonaqueous gels.
12-Hydroxystearic Acid (12-HSA) is used in research on functional biomaterials.
12-Hydroxystearic Acid (12-HSA) is used in experimental controlled-release and topical-delivery systems.
12-Hydroxystearic Acid (12-HSA) is used in studies of renewable low-molecular-weight gelators.
12-Hydroxystearic Acid (12-HSA) is used as a model hydroxy fatty acid in crystallization and self-assembly research.
12-Hydroxystearic Acid (12-HSA) is used as a chemical intermediate for specialty fatty-acid derivatives.
12-Hydroxystearic Acid (12-HSA) is used in oxidation, esterification, neutralization, and polymerization reactions.
12-Hydroxystearic Acid (12-HSA) is used to produce functional materials with modified polarity and melting behavior.
12-Hydroxystearic Acid (12-HSA) is used in industrial synthesis after controlling reaction temperature, moisture, and product purity.
12-Hydroxystearic Acid (12-HSA) is used in formulations requiring a high-melting fatty-acid component.
12-Hydroxystearic Acid (12-HSA) is used where a secondary hydroxyl group provides additional hydrogen bonding.
12-Hydroxystearic Acid (12-HSA) is used where a long saturated hydrocarbon chain provides hydrophobicity and lubricity.
12-Hydroxystearic Acid (12-HSA) is used in commercial products after grade-specific laboratory and production testing.
DESCRIPTION
12-Hydroxystearic Acid (12-HSA) is a saturated C18 hydroxy fatty acid.
12-Hydroxystearic Acid (12-HSA) is chemically identified as 12-hydroxyoctadecanoic acid.
12-Hydroxystearic Acid (12-HSA) contains one terminal carboxylic acid group.
12-Hydroxystearic Acid (12-HSA) contains one secondary hydroxyl group at the twelfth carbon atom.
12-Hydroxystearic Acid (12-HSA) has the molecular formula C18H36O3.
12-Hydroxystearic Acid (12-HSA) has a molecular weight of 300.48 g/mol.
12-Hydroxystearic Acid (12-HSA) has CAS number 106-14-9.
12-Hydroxystearic Acid (12-HSA) has EC number 203-366-1.
12-Hydroxystearic Acid (12-HSA) is commonly derived from castor oil.
12-Hydroxystearic Acid (12-HSA) is produced industrially from ricinoleic-acid-rich castor-oil feedstocks.
12-Hydroxystearic Acid (12-HSA) is commonly obtained by hydrogenating the carbon-carbon double bond of ricinoleic acid.
12-Hydroxystearic Acid (12-HSA) may be isolated after hydrolysis or splitting of hydrogenated castor oil.
12-Hydroxystearic Acid (12-HSA) is generally supplied as white to off-white flakes, beads, granules, or powder.
12-Hydroxystearic Acid (12-HSA) may show a cream or slightly brown appearance in lower-purity commercial grades.
12-Hydroxystearic Acid (12-HSA) is a hard, brittle, waxy solid at ambient temperature.
12-Hydroxystearic Acid (12-HSA) has a mild characteristic fatty odor.
12-Hydroxystearic Acid (12-HSA) has a relatively high melting point for a C18 fatty acid.
12-Hydroxystearic Acid (12-HSA) commonly melts at approximately 74–82°C depending on purity and test method.
12-Hydroxystearic Acid (12-HSA) commercial grades are frequently specified within a melting range near 72–78°C.
12-Hydroxystearic Acid (12-HSA) should be heated only as necessary for processing.
12-Hydroxystearic Acid (12-HSA) is insoluble in water.
12-Hydroxystearic Acid (12-HSA) is soluble in selected organic solvents at suitable temperatures.
12-Hydroxystearic Acid (12-HSA) is reported to dissolve in alcohol, ether, and chloroform.
12-Hydroxystearic Acid (12-HSA) has limited solubility in many nonpolar liquids at room temperature.
12-Hydroxystearic Acid (12-HSA) can dissolve in heated oils and organic media.
12-Hydroxystearic Acid (12-HSA) may crystallize into fibrous structures as the solution cools.
12-Hydroxystearic Acid (12-HSA) can form three-dimensional networks that immobilize liquid oils.
12-Hydroxystearic Acid (12-HSA) is therefore widely recognized as a low-molecular-weight organogelator.
12-Hydroxystearic Acid (12-HSA) forms intermolecular hydrogen bonds through its hydroxyl and carboxyl groups.
12-Hydroxystearic Acid (12-HSA) self-assembly depends on solvent type, concentration, temperature, and cooling rate.
12-Hydroxystearic Acid (12-HSA) gel structure can influence hardness, elasticity, oil retention, and thermal response.
12-Hydroxystearic Acid (12-HSA) must be optimized for each structured-oil system.
12-Hydroxystearic Acid (12-HSA) is bifunctional in chemical reactions.
12-Hydroxystearic Acid (12-HSA) can undergo esterification through its carboxylic acid group.
12-Hydroxystearic Acid (12-HSA) can undergo reactions involving its secondary hydroxyl group.
12-Hydroxystearic Acid (12-HSA) can undergo self-condensation to form oligomeric polyhydroxystearates.
12-Hydroxystearic Acid (12-HSA) reacts with metal hydroxides and oxides to form metal hydroxystearates.
12-Hydroxystearic Acid (12-HSA) forms lithium 12-hydroxystearate used in grease thickening.
12-Hydroxystearic Acid (12-HSA) also forms calcium, sodium, magnesium, aluminum, and zinc salts.
12-Hydroxystearic Acid (12-HSA) metal salts provide different thickening, lubricating, and processing properties.
12-Hydroxystearic Acid (12-HSA) industrial grades are often mixed fatty-acid products rather than analytically pure material.
12-Hydroxystearic Acid (12-HSA) commercial purity commonly varies according to manufacturing method and grade.
12-Hydroxystearic Acid (12-HSA) may contain stearic acid, ketostearic acid, and other castor-derived fatty-acid components.
12-Hydroxystearic Acid (12-HSA) grade-specific composition should be confirmed from the certificate of analysis.
12-Hydroxystearic Acid (12-HSA) commercial material commonly has an acid value near 175–185 mg KOH/g.
12-Hydroxystearic Acid (12-HSA) commercial material commonly has a hydroxyl value of approximately 150 mg KOH/g or higher.
12-Hydroxystearic Acid (12-HSA) commercial material commonly has a saponification value near 180–190 mg KOH/g.
12-Hydroxystearic Acid (12-HSA) commercial material normally has a low iodine value because its principal fatty chain is saturated.
12-Hydroxystearic Acid (12-HSA) quality can be assessed through acid value.
12-Hydroxystearic Acid (12-HSA) quality can be assessed through hydroxyl and saponification values.
12-Hydroxystearic Acid (12-HSA) quality can be assessed through iodine value, moisture, color, and melting point.
12-Hydroxystearic Acid (12-HSA) purity can be assessed by gas chromatography or another validated analytical method.
12-Hydroxystearic Acid (12-HSA) is stable under normal dry storage conditions.
12-Hydroxystearic Acid (12-HSA) should be protected from excessive heat and prolonged exposure to air.
12-Hydroxystearic Acid (12-HSA) should be protected from moisture and contamination.
12-Hydroxystearic Acid (12-HSA) should be kept in tightly sealed packaging.
12-Hydroxystearic Acid (12-HSA) has low volatility at room temperature.
12-Hydroxystearic Acid (12-HSA) may generate dust when supplied as powder or fine flakes.
12-Hydroxystearic Acid (12-HSA) molten material can cause serious thermal burns.
12-Hydroxystearic Acid (12-HSA) can release irritating smoke and decomposition products when overheated or burned.
12-Hydroxystearic Acid (12-HSA) is not assigned a conventional flash point when handled as a solid.
12-Hydroxystearic Acid (12-HSA) is combustible under sufficiently severe fire conditions.
12-Hydroxystearic Acid (12-HSA) dust accumulation should be minimized through good housekeeping.
12-Hydroxystearic Acid (12-HSA) should be kept away from strong oxidizing agents.
12-Hydroxystearic Acid (12-HSA) is available in industrial, cosmetic, research, and pharmaceutical-reference grades.
12-Hydroxystearic Acid (12-HSA) grades differ in purity, color, melting range, moisture, and residual impurities.
12-Hydroxystearic Acid (12-HSA) intended for regulated uses must meet the relevant application-specific requirements.
12-Hydroxystearic Acid (12-HSA) should always be selected according to the current technical and safety documentation.
PROPERTIES
Chemical Name: 12-Hydroxystearic Acid
IUPAC Name: 12-Hydroxyoctadecanoic acid
Abbreviation: 12-HSA
CAS Number: 106-14-9
EC Number: 203-366-1
PubChem CID: 7789
Chemical Family: Hydroxy fatty acids
Chemical Type: Saturated monohydroxy monocarboxylic acid
Molecular Formula: C18H36O3
Linear Formula: CH3(CH2)5CH(OH)(CH2)10COOH
Molecular Weight: 300.48 g/mol
Carbon Chain Length: C18
Hydroxyl Position: Carbon 12
Physical Form: Solid
Typical Appearance: White to off-white flakes, granules, beads, or powder
Commercial-Grade Appearance: Off-white to slightly brown waxy solid
Odor: Mild characteristic fatty odor
Melting Point of Pure Material: Approximately 74–82°C
Typical Commercial Melting Range: Approximately 72–78°C
Water Solubility: Insoluble
Organic-Solvent Solubility: Soluble in selected alcohols, ethers, chloroform, and heated organic media
Acid Value: Commonly approximately 175–185 mg KOH/g for commercial grades
Hydroxyl Value: Commonly at least approximately 150–157 mg KOH/g
Saponification Value: Commonly approximately 180–190 mg KOH/g
Iodine Value: Commonly not more than approximately 3–4 g I2/100 g
Moisture Content: Commonly not more than approximately 0.5–1.0%, depending on grade
Gardner Color: Commonly approximately 3–6 maximum for molten commercial grades
Typical 12-HSA Content: Approximately 83–87% in some industrial grades
Unsaponifiable Matter: Commonly not more than approximately 1%, depending on grade
Flash Point: Not generally applicable to the solid product
Volatility: Low at ambient temperature
Primary Feedstock: Castor-oil-derived ricinoleic acid
Primary Production Route: Hydrogenation followed by hydrolysis or fatty-acid isolation
Primary Functions: Grease-thickener raw material, organogelator, structuring agent, chemical intermediate, lubricant additive precursor, and polymer building block
Primary Markets: Lubricants, cosmetics, coatings, rubber, polymers, surfactants, textiles, pharmaceuticals, and specialty oleochemicals
Storage Conditions: Cool and dry conditions in tightly sealed packaging
Recommended Long-Term Storage Temperature: Commonly below approximately 40–45°C
Maximum Handling Temperature: Grade and supplier dependent
Regulatory Status: Application and grade dependent
Shelf Life: Refer to the manufacturer’s grade-specific technical data sheet
FIRST AID
Inhalation:
Move the affected person to fresh air.
Seek medical advice if dust causes persistent respiratory irritation.
Skin Contact:
Wash with soap and water.
Cool molten-material burns with water and obtain medical attention.
Eye Contact:
Rinse cautiously with clean water for at least 15 minutes.
Obtain medical attention if irritation persists.
Ingestion:
Rinse the mouth and do not induce vomiting.
Seek medical advice after significant ingestion.
Note to Physicians:
Treat symptomatically and provide supportive care.
Consider thermal injury when exposure involves molten product.
HANDLING AND STORAGE
Handling:
Avoid generating dust and use gloves and suitable eye protection.
Use heat-resistant protective equipment when handling molten material.
Ventilation:
Provide general ventilation and local dust extraction where necessary.
Control fumes when the product is heated.
Storage:
Store in tightly sealed packaging in a cool, dry place.
Protect from heat, moisture, direct sunlight, contamination, and oxidizing agents.
Spill and Leak Procedures:
Collect dry material without creating airborne dust.
Allow molten spills to cool before mechanical recovery.
Handling Precautions:
Prevent contact with hot liquid product and heated equipment.
Follow the grade-specific technical data sheet and safety data sheet.
