Agent Name

2-Methylbutyraldehyde

Alternative Name

Butanal, 2-methyl-

CAS Number

96-17-3

Formula

C5-H10-O

Major Category

Other Classes

Synonyms

2-Ethylpropanal; 2-Formylbutane; 2-Methyl-1-butanal; 2-Methylbutanal; 2-Methylbutyraldehyde (natural); 2-Methylbutyric aldehyde; Acetaldehyde, ethylmethyl-; Methyl ethyl acetaldehyde; Methylethylacetaldehyde; alpha-2-Methyl-n-butanal; alpha-Methylbutanal; alpha-Methylbutyraldehyde; alpha-Methylbutyric aldehyde; Butanal, 2-methyl-; Butyraldehyde, 2-methyl-; [ChemIDplus] UN3371

Category

Aldehydes

Description

Clear, colorless to light yellow liquid with an unpleasant odor; [Acros Organics MSDS]

Sources/Uses

Used as flavoring agent or adjuvant; [FDA]

Comments

A mild to severe eye and mild to moderate skin irritant; [RTECS] Safe when used as a flavoring agent in food; [JECFA] An eye irritant; [Acros Organics MSDS] See "Butyraldehyde."

Exposure Assessment
Vapor Pressure

47.4 mm Hg

Lethal Concentration

LC50 (rat) = 14,000 ppm/4hr

Links to Other NLM Databases
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Other Information

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