单乙酸甘油酯

Description

Glycerol Monoacetate · CAS 26446-35-5 · C5H10O4. UNII 1NA86SF2H2. Boiling Point: 316 °F at 16.5 mmHg (NTP, 1992); Boiling Point: 129-131 °C @ 3 MM HG; Melting Point: FP: -78 °C.

Identification

CAS Registry Number	26446-35-5
PubChem CID	33510
Molecular formula	C5H10O4
IUPAC name	2,3-dihydroxypropyl acetate
UNII (FDA)	1NA86SF2H2

Computed Descriptors

Molecular Weight	134.13
XLogP3	-1
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	4
Rotatable Bond Count	4
Exact Mass	134.05790880
Monoisotopic Mass	134.05790880
Topological Polar Surface Area	66.8
Heavy Atom Count	9
Formal Charge	0

Physical & Chemical Properties

Boiling Point	316 °F at 16.5 mmHg (NTP, 1992)
Boiling Point	129-131 °C @ 3 MM HG
Melting Point	FP: -78 °C
Density	1.206 @ 20 °C/4 °C
Vapor Pressure	3 mmHg at 266 °F (NTP, 1992)
Vapor Pressure	0.00392 [mmHg]
Vapor Pressure	3 MM HG @ 130 °C

Physical description & handling notes

• Acetin is a clear colorless to pale yellow viscous liquid with a characteristic odor. (NTP, 1992)
• Colorless liquid; Very hygroscopic; Commercial product is pale yellow liquid; [Merck Index] Slightly viscous liquid; [MSDSonline]
• COLORLESS LIQUID; COMMERCIAL PRODUCT IS PALE YELLOW
• Thick liquid
• CHARACTERISTIC ODOR
• greater than 201.2 °F (NTP, 1992)

Regulatory Status

Regulatory & Food Contact	FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS CARRIER_SOLVENT: Food Additives MONOACETOGLYCERIDE NOT SPECIFIED Group ADI; included in the ADI for glycerol, glyceryl diacetate and glyceryl triacetate TRS 648-JECFA 23/17
GHS notification summary	4.9% (2 / 41)

GHS Hazard Classification

GHS notification summary	4.9% (2 / 41)
Reported hazard statements	H302 (95.1%), H315 (50%), H319 (50%), H412 (50%)

Documented Uses

• CIR ingredient: Glyceryl Acetate
• Used as a solvent for basic dyes, a food additive, in tanning leather, and to make smokeless powder and dynamite; [HSDB]
• Leather Tanning and Processing [Category: Industry]
• IN MFR OF SMOKELESS POWDER & DYNAMITE; AS SOLVENT FOR BASIC DYES; IN TANNING LEATHER
• Food Additives -> CARRIER_SOLVENT -> JECFA Functional Classes
• OBTAINED ALONG WITH DI- & TRIACETATES BY HEATING GLYCEROL WITH GLACIAL ACETIC ACID.

Synonyms

Monoacetin; Glyceryl acetate; Glycerol acetate; 84IK99H5ZH; RefChem:663548; EASTMAN 9-45; 247-704-6; 2,3-Dihydroxypropyl acetate; 1-Monoacetin; 106-61-6; 26446-35-5; Acetin; Glycerol monoacetate; Glyceryl monoacetate; Acetoglyceride; 1,2,3-Propanetriol, 1-acetate

Frequently Asked Questions

What are the CAS number and molecular formula of Glycerol Monoacetate?

CAS 26446-35-5; molecular formula C5H10O4; molecular weight — g/mol.

What other names is Glycerol Monoacetate known by?

Monoacetin, Glyceryl acetate, Glycerol acetate, 84IK99H5ZH, RefChem:663548, EASTMAN 9-45.

What is the regulatory status of Glycerol Monoacetate?

Documented regulatory listings: FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS; CARRIER_SOLVENT: Food Additives; MONOACETOGLYCERIDE.

Is Glycerol Monoacetate classified as hazardous?

4.9% of GHS notifications report no hazard classification (2 of 41).

What are the key physical properties of Glycerol Monoacetate?

Boiling Point: 316 °F at 16.5 mmHg (NTP, 1992); Boiling Point: 129-131 °C @ 3 MM HG; Melting Point: FP: -78 °C; Density: 1.206 @ 20 °C/4 °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.