单硬脂酸甘油酯

Description

Glycerin Monostearate · CAS 31566-31-1 · C21H42O4. UNII 230OU9XXE4. Density: 0.97 @25 °C.

Identification

CAS Registry Number	31566-31-1
PubChem CID	24699
Molecular formula	C21H42O4
IUPAC name	2,3-dihydroxypropyl octadecanoate
UNII (FDA)	230OU9XXE4
FEMA number	2527
JECFA number	918

Computed Descriptors

Molecular Weight	358.6
XLogP3	7.4
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	4
Rotatable Bond Count	20
Exact Mass	358.30830982
Monoisotopic Mass	358.30830982
Topological Polar Surface Area	66.8
Heavy Atom Count	25
Formal Charge	0

Physical & Chemical Properties

Density	0.97 @25 °C

Physical description & handling notes

• Dry Powder; Liquid; Other Solid; Dry Powder; Large Crystals; CBI; Large Crystals; Other Solid; Dry Powder
• Large Crystals
• White waxy solid; [Merck Index]
• white to pale yellow wax-like solid with a mild fatty odour
• insoluble in water; soluble in hot oils, organic solvents
• soluble in hot alcohol (in ethanol)

Regulatory Status

Regulatory & Food Contact	FDA Substance added to food: EMULSIFIER OR EMULSIFIER SALT, FIRMING AGENT, FLAVOR ENHANCER, LUBRICANT OR RELE FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS FLAVOURING_AGENT: Flavouring Agent Flavoring Agents EMULSIFIER: Food Additives Dairy
GHS notification summary	99.6% (708 / 711)

GHS Hazard Classification

GHS notification summary	99.6% (708 / 711)

Documented Uses

• EPA Safer Chemical Functional Use Classes -> Surfactants
• Safer Chemical Classes -> Green circle - The chemical has been verified to be of low concern
• Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes
• Flavoring Agents -> JECFA Flavorings Index
• Food Additives -> EMULSIFIER -> JECFA Functional Classes
• Cosmetics -> Emollient; Emulsifying

Synonyms

Glyceryl monostearate; Monostearin; 31566-31-1; Glycerin 1-monostearate; Glycerin 1-stearate; Stearin, 1-mono-; Stearic acid 1-monoglyceride; 1-Glyceryl stearate; alpha-Monostearin; Glyceryl 1-monostearate; Stearoylglycerol; Glycerin monostearate; 3-Stearoyloxy-1,2-propanediol; Glycerol alpha-monostearate; Cerasynt SD; Monoglyceryl stearate

Frequently Asked Questions

What are the CAS number and molecular formula of Glycerin Monostearate?

CAS 31566-31-1; molecular formula C21H42O4; molecular weight — g/mol.

What other names is Glycerin Monostearate known by?

Glyceryl monostearate, Monostearin, 31566-31-1, Glycerin 1-monostearate, Glycerin 1-stearate, Stearin, 1-mono-.

What is the regulatory status of Glycerin Monostearate?

Documented regulatory listings: FDA Substance added to food: EMULSIFIER OR EMULSIFIER SALT, FIRMING AGENT, FLAVOR ENHANCER, LUBRICANT OR RELE; FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS; FLAVOURING_AGENT: Flavouring Agent.

Is Glycerin Monostearate classified as hazardous?

99.6% of GHS notifications report no hazard classification (708 of 711).

What are the key physical properties of Glycerin Monostearate?

Density: 0.97 @25 °C.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.