Agent Name

3-Methylcrotonic acid

CAS Number

541-47-9

Formula

C5-H8-O2

Major Category

Other Classes

Synonyms

2-Butenoic acid, 3-methyl-; 3,3-Dimethylacrylic acid; 3-Methyl-2-butenoic acid; beta,beta-Dimethacrylic acid; beta,beta-Dimethylacrylic acid; beta-Methylcrotonic acid; Crotonic acid, 3-methyl-; Kyselina 3-methyl-2-butenova [Czech]; Senecioic acid; [ChemIDplus]

Category

Organic Acids

Description

Slightly yellow crystalline powder; [Acros Organics MSDS]

Sources/Uses

Used as a flavoring agent; [FDA]

Comments

A mild to moderate skin and severe eye irritant; Causes dyspnea and lung changes in acute inhalation studies of rats; Human inhalation of 90 mg/m3 causes dyspnea; [RTECS] [RTECS] Safe when used as a flavoring agent in food; [JECFA] An irritant; [Acros Organics MSDS] See "Methacrylic acid."

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