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Agent Name Dimethyl ether
CAS Number 115-10-6
Formula C2-H6-O
Major Category Solvents
Synonyms DME; Demeon D; Dimethyl oxide; Dymel A; Ether, dimethyl; Ether, methyl; Methane, oxybis-; Methoxymethane; Methyl ether; Methyl oxide; Oxybismethane; Wood ether; UN1033; [ChemIDplus]
Category Ethers
Description Colorless compressed gas or liquid with a slight ether-like odor; [HSDB]
Sources/Uses Used as solvent, propellant, refrigerant, chemical intermediate, and polymerization catalyst and stabilizer; [HSDB]
Comments In animal studies at lethal concentrations, dimethyl ether acts as a general anesthetic. [ChemIDplus] Liquid will cause frostbite. [CHRIS] Dimethyl ether is in the list of "Some volatile substances which may be abused by inhalation" published on the web site of the U.N. International Drug Control Programme, indicating its potential to cause narcosis in workers. [Reference #1]
Reference Link Volatile Substance Abuse
Exposure Assessment
Skin Designation (ACGIH) Not evaluated
MAK 1000 ppm
Vapor Pressure 4450 mm Hg
Lethal Concentration LC50 (rats) = 308,000 mg/m3
Flammability (NFPA) 4: burns readily
Adverse Effects
Neurotoxin CNS Solvent Syndrome
Links to Other NLM Databases
Health Studies Human Health Effects from Hazardous Substances Data Bank: DIMETHYL ETHER  
Toxicity Information Search TOXNET
Chemical Information Search ChemIDplus
Related Information in Haz-Map
Diseases Occupational diseases associated with exposure to this agent:
Processes Industrial Processes with risk of exposure:





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Last updated: January, 2009