Agent Name

Triethyl orthoformate

CAS Number

122-51-0

Formula

C7-H16-O3

Major Category

Other Classes

Synonyms

1,1',1"-(Methylidynetris(oxy))tris(ethane); Aethon; Ethone; Ethyl formate(ortho); Ethyl orthoformate; Ethylester kyseliny orthomravenci [Czech]; Methane, triethoxy-; Orthoformic acid ethyl ester (VAN); Orthoformic acid triethyl ester; Orthoformic acid, ethyl ester; Orthomravencan ethylnaty [Czech]; Triethoxymethane; Triethylester kyseliny orthomravenci [Czech]; Ethane, 1,1',1''-(methylidynetris(oxy))tris-; Orthoformic acid, triethyl ester; [ChemIDplus] Aethone; [Merck Index] Ethylorthoformiat; Orthoameisensaeuretriethylester; Orthoformiate d ethyle; TEOF; Triethoxymethan; Triethyl orthoformiate; Triethylorthoformiat; [IUCLID] 1,1',1''-[methanetriyltris(oxy)]triethane; [ToxPlanet: ECHA REACH Registrations] UN2524

Category

Ethers, Other

Description

Liquid with a sweetish odor like pine needles; [Merck Index] Clear colorless liquid with a pungent odor; [CAMEO]

Sources/Uses

Used in chemical manufacture; [CAMEO] Used in chemical synthesis, in the paints-lacquers-varnishes industry, and as a stabilizer; [IUCLID] Used to make large scale and fine chemicals; [ToxPlanet: ECHA REACH Registrations] Permitted for use as an inert ingredient in non-food pesticide products; [EPA]

Comments

A mild skin and moderate eye irritant; Dermal LD50 (rabbit) = 20 mL/kg; [RTECS] Not a skin sensitizer in guinea pig maximization study; No sensitization reactions observed in maximization test of 26 volunteers at 4% in petrolatum; [IUCLID] Safe when used as a flavoring agent in food; [ToxPlanet: EFSA] A mild skin irritant; [Sigma-Aldrich MSDS] See "1,1-Dimethoxyethane."

Exposure Assessment
Vapor Pressure

3.86 mm Hg

Lethal Concentration

LCLo (rat) = 4,000 ppm/8hr

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Chemical Information

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Related Information in HazMap
Processes

Industrial Processes with risk of exposure: