Agent Name

Trimethyl orthoformate

CAS Number

149-73-5

Formula

C4-H10-O3

Major Category

Other Classes

Synonyms

Methane, trimethoxy-; Methyl orthoformate; Methylester kyseliny orthomravenci [Czech]; Orthoformic acid methyl ester; Orthoformic acid, trimethyl ester; Orthomravencan methylnaty [Czech]; Trimethoxymethane; Trimethylester kyseliny orthomravenci [Czech]; [ChemIDplus] UN3272

Category

Ethers, Other

Description

Colorless liquid with a pungent odor; [HSDB]

Comments

A skin, eye, and mucous membrane irritant; [HSDB] Findings in lethal dose animal experiments include cyanosis, loss of muscle tone, and unresponsiveness. [ToxPlanet: IUCLID] Hydrolyzed by water producing methanol; An irritant; [MSDSonline] See "Methyl alcohol."

Exposure Assessment
Vapor Pressure

81.4 mm Hg

Lethal Concentration

LC50 (rat) = 40,000 mg/m3

Explanatory Notes

VP = 40 mm Hg at 30 deg C; [MSDSonline] The Guide in the Emergency Response Guidebook is for "Esters, n.o.s."

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
Other Information

No other related information on this agent was found.