Agent Name

Isobutyric anhydride

Alternative Name

2-Methylpropanoic anhydride

CAS Number

97-72-3

Formula

C8-H14-O3

Major Category

Other Classes

Synonyms

Isobutyric acid anhydride; Isobutyryl anhydride; Propanoic acid, 2-methyl-, anhydride; 2-Methylpropanoic anhydride; [ChemIDplus] UN2530

Category

Acid Anhydrides, Other

Description

Colorless liquid; [CHEMINFO]

Sources/Uses

Used as a chemical intermediate and flavor/aroma enhancer; [HSDB] Used for the esterification of cellulose and sucrose and to make odorants, peroxide catalysts, flavors, and perfumes; [CHEMINFO]

Comments

May cause burns to skin and eyes; [CAMEO] Reacts with moisture of the body to form butyric acid; A corrosive substance that can cause injury to the skin, eyes, and respiratory tract; [CHEMINFO] A corrosive substance that can cause injury to the skin, eyes, and respiratory tract; Inhalation may cause chemical pneumonitis; Can be absorbed through skin; [MSDSonline]

Exposure Assessment
Vapor Pressure

0.5 mm Hg

Explanatory Notes

Flash point = 59.4 deg C; [Hawley]

Flammability (NFPA)

2: High ambient temperature required

Adverse Effects
Toxic Pneumonitis

Yes

Dermatotoxin

Skin Burns

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.