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E492 Sorbitan Tristearate is a nonionic emulsifier derived from sorbitol and stearic acid, widely used in food, pharmaceutical, cosmetic, and industrial formulations.
E492 Sorbitan Tristearate functions primarily as a water-in-oil (W/O) emulsifier, stabilizer, and texture modifier in fat-based systems.
E492 Sorbitan Tristearate is valued for its excellent thermal stability, low HLB value, and compatibility with oils, waxes, and lipophilic ingredients.
CAS Number: 26658-19-5
EC Number: 247-891-4
Molecular Formula: C₆₀H₁₁₄O₈
Molecular Weight: ~963.49 g/mol
Synonyms: E492 Sorbitan Tristearate, Sorbitan Tristearate, Span 65, Sorbitan Tristearate Ester, Tristearate of Sorbitan, Nonionic W/O Emulsifier, Food Emulsifier E492, E492 Sorbitan Tristearate, Sorbitan Tristearate, STS, Sorbitan Tristearate E492, E492, Sorbitan Tristearate Food Additive, Sorbitan Tristearate Emulsifier, Sorbitan Tristearate Nonionic Emulsifier, Sorbitan Tristearate Lipophilic Emulsifier, Sorbitan Tristearate W/O Emulsifier, Sorbitan Tristearate Oil-Phase Emulsifier, Sorbitan Tristearate Fatty Ester, Sorbitan Tristearate Stearic Acid Ester, Sorbitan Tristearate Fatty Acid Ester, Sorbitan Tristearate Surfactant, Sorbitan Tristearate Surface Active Agent, Sorbitan Tristearate Emulsion Stabilizer, Sorbitan Tristearate Stabilizer, Sorbitan Tristearate Thickener, Sorbitan Tristearate Structuring Agent, Sorbitan Tristearate Consistency Agent, Sorbitan Tristearate Fat Structurant, Sorbitan Tristearate Fat Stabilizer, Sorbitan Tristearate Food Grade, Sorbitan Tristearate Pharmaceutical Grade, Sorbitan Tristearate Cosmetic Grade, Sorbitan Tristearate Industrial Grade, Sorbitan Tristearate Technical Grade, High-Purity Sorbitan Tristearate, Pure Sorbitan Tristearate, Extra-Pure Sorbitan Tristearate, Sorbitan Tristearate Powder, Sorbitan Tristearate Flakes, Sorbitan Tristearate Pellets, Sorbitan Tristearate Wax, Sorbitan Tristearate Chocolate Emulsifier, Sorbitan Tristearate Confectionery Emulsifier, Sorbitan Tristearate Bakery Emulsifier, Sorbitan Tristearate Margarine Emulsifier, Sorbitan Tristearate Shortening Emulsifier, Sorbitan Tristearate Dairy Additive, Sorbitan Tristearate Cream Stabilizer
APPLICATIONS
E492 Sorbitan Tristearate is used in food applications.
E492 Sorbitan Tristearate stabilizes margarine and fat-based spreads.
E492 Sorbitan Tristearate improves texture and mouthfeel in confectionery products.
E492 Sorbitan Tristearate is applied in chocolate and cocoa products.
E492 Sorbitan Tristearate controls fat crystallization.
E492 Sorbitan Tristearate enhances bloom resistance.
E492 Sorbitan Tristearate is used in bakery shortenings.
E492 Sorbitan Tristearate improves dough handling properties.
E492 Sorbitan Tristearate enhances crumb structure and shelf life.
E492 Sorbitan Tristearate is incorporated into cosmetic creams and ointments.
E492 Sorbitan Tristearate stabilizes water-in-oil emulsions.
E492 Sorbitan Tristearate improves product consistency and sensory feel.
E492 Sorbitan Tristearate is used in pharmaceutical formulations.
E492 Sorbitan Tristearate stabilizes topical ointments and creams.
E492 Sorbitan Tristearate improves uniformity of active ingredient distribution.
E492 Sorbitan Tristearate is applied in industrial emulsions.
E492 Sorbitan Tristearate stabilizes lubricants and polishing compounds.
E492 Sorbitan Tristearate improves emulsion durability under heat.
E492 Sorbitan Tristearate is used as an emulsifier in food products.
E492 Sorbitan Tristearate stabilizes water-in-oil emulsions in fat-rich foods.
E492 Sorbitan Tristearate improves texture and consistency in processed foods.
E492 Sorbitan Tristearate is used in confectionery applications.
E492 Sorbitan Tristearate enhances fat dispersion in chocolate products.
E492 Sorbitan Tristearate improves mouthfeel in candy and fillings.
E492 Sorbitan Tristearate is used in bakery products.
E492 Sorbitan Tristearate improves dough handling characteristics.
E492 Sorbitan Tristearate enhances crumb softness in baked goods.
E492 Sorbitan Tristearate is used in margarine and shortening formulations.
E492 Sorbitan Tristearate stabilizes fat crystal structures.
E492 Sorbitan Tristearate improves spreadability in fat-based products.
E492 Sorbitan Tristearate is used in dairy and dairy analog products.
E492 Sorbitan Tristearate supports emulsion stability in cream substitutes.
E492 Sorbitan Tristearate improves melt behavior in processed cheese alternatives.
E492 Sorbitan Tristearate is used in cosmetic creams.
E492 Sorbitan Tristearate stabilizes water-in-oil cosmetic emulsions.
E492 Sorbitan Tristearate provides a rich and smooth skin feel.
E492 Sorbitan Tristearate is used in pharmaceutical ointments.
E492 Sorbitan Tristearate improves consistency and stability of topical formulations.
E492 Sorbitan Tristearate supports uniform distribution of active ingredients.
E492 Sorbitan Tristearate is used in decorative cosmetics.
E492 Sorbitan Tristearate improves pigment dispersion in foundations.
E492 Sorbitan Tristearate enhances texture in makeup products.
E492 Sorbitan Tristearate is used in hair styling products.
E492 Sorbitan Tristearate enhances structure in pomades and waxes.
E492 Sorbitan Tristearate improves product stability under varying temperatures.
E492 Sorbitan Tristearate is used in industrial lubricants.
E492 Sorbitan Tristearate acts as an emulsifier in grease formulations.
E492 Sorbitan Tristearate improves stability of lubricating emulsions.
E492 Sorbitan Tristearate is used in candle manufacturing.
E492 Sorbitan Tristearate enhances wax consistency.
E492 Sorbitan Tristearate improves fragrance retention in candles.
E492 Sorbitan Tristearate is used in textile finishing.
E492 Sorbitan Tristearate improves softness of treated fabrics.
E492 Sorbitan Tristearate enhances lubrication during fiber processing.
E492 Sorbitan Tristearate is used in plastic processing.
E492 Sorbitan Tristearate acts as an internal lubricant.
E492 Sorbitan Tristearate improves flow properties during molding.
E492 Sorbitan Tristearate is used in agricultural formulations.
E492 Sorbitan Tristearate stabilizes oil-based agrochemical emulsions.
E492 Sorbitan Tristearate improves spreading of active ingredients.
DESCRIPTION
E492 Sorbitan Tristearate is a solid, waxy material at room temperature.
E492 Sorbitan Tristearate is odorless or has a faint fatty odor.
E492 Sorbitan Tristearate is insoluble in water but dispersible in oils.
E492 Sorbitan Tristearate has a low hydrophilic-lipophilic balance.
E492 Sorbitan Tristearate is especially suitable for water-in-oil systems.
E492 Sorbitan Tristearate provides stable emulsions under thermal stress.
E492 Sorbitan Tristearate is chemically non-reactive.
E492 Sorbitan Tristearate shows excellent compatibility with other emulsifiers.
E492 Sorbitan Tristearate is often used in combination with polysorbates.
E492 Sorbitan Tristearate is stable under normal storage conditions.
E492 Sorbitan Tristearate resists hydrolysis in neutral systems.
E492 Sorbitan Tristearate supports long shelf life of finished products.
E492 Sorbitan Tristearate is a nonionic surfactant derived from sorbitol and stearic acid.
E492 Sorbitan Tristearate appears as a waxy solid at room temperature.
E492 Sorbitan Tristearate is insoluble in water and soluble in oils and fats.
E492 Sorbitan Tristearate has a low hydrophilic-lipophilic balance value.
E492 Sorbitan Tristearate is suitable for water-in-oil emulsions.
E492 Sorbitan Tristearate provides excellent emulsion stability in fat-rich systems.
E492 Sorbitan Tristearate exhibits good thermal stability.
E492 Sorbitan Tristearate improves texture and sensory properties.
E492 Sorbitan Tristearate enhances consistency without excessive greasiness.
E492 Sorbitan Tristearate is compatible with a wide range of fats and waxes.
E492 Sorbitan Tristearate is often combined with polysorbates for balanced emulsification.
E492 Sorbitan Tristearate is stable across a broad pH range.
E492 Sorbitan Tristearate should be stored in a cool and dry place.
E492 Sorbitan Tristearate is approved for use in food, cosmetic, and pharmaceutical applications.
E492 Sorbitan Tristearate is valued for its emulsifying, stabilizing, and texturizing properties.
PROPERTIES
Chemical Formula: C₆₀H₁₁₄O₈
Molecular Weight: ~963.49 g/mol
Appearance: Cream to pale yellow waxy solid
Odor: Odorless or slight fatty odor
Density: ~0.98–1.02 g/cm³ at 20°C
Melting Point: ~50–55°C
Boiling Point: Not applicable; decomposes before boiling
HLB Value: ~2.1
Solubility in Water: Insoluble
Solubility in Oils: Soluble in vegetable oils, mineral oils, and waxes
Solubility in Alcohol: Slightly soluble in hot ethanol
Acid Value: ≤10 mg KOH/g
Saponification Value: ~175–185 mg KOH/g
Thermal Stability: High; suitable for heated processes
Oxidative Stability: Good in absence of strong oxidizers
Storage Temperature: Store below 30°C in dry conditions
FIRST AID
Inhalation:
Not expected to be hazardous.
Move to fresh air if dust is inhaled.
Skin Contact:
Wash with soap and water.
Generally non-irritating.
Eye Contact:
Rinse with water if contact occurs.
Seek medical attention if irritation persists.
Ingestion:
Rinse mouth and drink water.
Food-grade material; seek medical advice if discomfort occurs.
Note to Physicians:
Treat symptomatically.
HANDLING AND STORAGE
Handling:
Use standard hygiene practices.
Avoid excessive dust generation when handling solid material.
Avoidance:
Avoid strong oxidizing agents.
Avoid prolonged exposure to moisture and heat.
Spill Procedures:
Collect mechanically and clean residues.
Dispose according to local regulations.
Storage:
Store in tightly closed containers.
Keep in a cool, dry, well-ventilated area.
Protect from direct sunlight and moisture.
