A colorless liquid, it the simplest branched-chain acyl chloride.

It is prepared by chlorination of isobutyric acid.

[2] As an ordinary acid chloride, isobutyryl chloride is the subject of many reported transformations.

Dehydrohalogenation of isobutyryl chloride with triethylamine gives 2,2,4,4-tetramethylcyclobutanedione.

[4] This article about an organic compound is a stub.