Acetal
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]
Biomedical References
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] VP from ChemIDplus;
NFPA
may ignite at ambient temp
Adverse Effects
Neurotoxin
Other CNS neurotoxin
Diseases, Processes, and Activities Linked to This Agent
Processes
Industrial Processes with risk of exposure: