Agent Name

Acetal

CAS Number

105-57-7

Formula

C6-H14-O2

Major Category

Other Classes

Synonyms

1,1-Diaethoxy-aethan [German]; 1,1-Diethoxy-ethaan [Dutch]; 1,1-Diethoxyethane; 1,1-Dietossietano [Italian]; Acetaal [Dutch]; Acetal (natural); Acetal diethylique [French]; Acetaldehyde diethyl acetal; Acetaldehyde ethyl acetal; Acetale [Italian]; Acetol; Diaethylacetal [German]; Diethyl acetal; Diethylacetal; Ethane, 1,1-diethoxy-; Ethylidene diethyl ether; Ethylidenediethyl ether; [ChemIDplus] UN1088

Category

Acetals

Description

Colorless, volatile liquid with an agreeable odor; [Hawley]

Sources/Uses

Used as a solvent for perfumes, flavors, and cosmetics; [HSDB] Used as an herbicide; [eChemPortal: ERMA]

Comments

Highly flammable; Inhalation of high concentrations can cause CNS depression; [Hawley] Hydrolyzed in the stomach to acetaldehyde and ethyl alcohol; [HSDB] Forms heat-sensitive explosive peroxides on contact with air; An upper respiratory tract irritant; [CAMEO] A mild skin and eye irritant, based on animal studies; [CHEMINFO] A skin, eye, and respiratory tract irritant; "Exposure may result in lowering of consciousness." [ICSC] Safe when used as a flavoring agent in food; [JECFA] An irritant; [MSDSonline]

Exposure Assessment
Vapor Pressure

27.6 mm Hg

Lethal Concentration

LCLo (rat) = 4,000 ppm/4h

Explanatory Notes

Flash point = -20.5 deg C; [Hawley]

Flammability (NFPA)

3: May ignite at ambient temperature

Adverse Effects
Neurotoxin

Other CNS Neurotoxin

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Chemical Information

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Related Information in HazMap
Processes

Industrial Processes with risk of exposure: