Surfactants
REACH
Glyceryl Stearate
CAS Number
11099-07-3
EC Number
234-325-6
What is Glyceryl Stearate?
Glyceryl Stearate (CAS 11099-07-3), also known as Glyceryl Monostearate (GMS), is a mono-ester of glycerol and stearic acid used commercially as an emulsifier, plasticizer, and moisturizing agent.
Where is Glyceryl Stearate used?
- Food: extends softness of baked goods, controls fat crystallization in margarines, improves mouthfeel of ice cream
- Personal care: anchors emulsions in creams and lotions, improving texture and preventing phase separation
- Pharmaceutical: tablet lubricant and controlled-release matrix component in solid dosage forms
- Plastics: internal lubricant and anti-static agent in PVC and polyolefin compounds
- It stabilizes oil-in-water and water-in-oil systems.
Commercial specifications
- Purity: 40% monoglyceride in standard grades; 90% or more in distilled or high-purity GMS variants
- Food-grade meets FCC; pharmaceutical-grade meets USP, BP, or Ph. Eur.
Other Names (Synonyms)
Octadecanoic acid;propane-1,2,3-triol|Glyceryl monostearate
What are the physical properties of Glyceryl Stearate?
Melting Point 33.03 °C
Odor Bland fatty waxy
Refractive Index 1.4385 (589.3 nm 80℃)
Log P 8.216 (est)
Which trade and regulatory codes apply to Glyceryl Stearate?
WGK (Germany) 1