120126-85-4 2-Methylpropanoyl chloride 2-Methylpropionyl chloride 79-30-1 Chloro isopropyl ketone Dimethylacetyl chloride EINECS 201-194-1 Isobutanoyl chloride Isobutyric acid chloride Isobutyroyl chloride Isobutyryl chloride Isobutyryl chloride [UN2395] [Flammable liquid] PROPANOYL CHLORIDE, 2-METHYL- UN2395 alpha-Methylpropionyl chloride