Butyl acetate: UN No.: 1123 CAS No.: 123-86-4 ... days Basic information: Butyl, or sec-butyl acetate, also known as butyl acetate. It can dissolve a variety of resin ... and organics.The properties of Sec-butyl acetate and other isomers are similar in most cases, the ... that its boiling point is lower than n-butyl and isobutyl, and its evaporation is faster. Appearance: colorless, flammable, ...