A colorless liquid with a slight odor, flammable. Boiling point 228 ℃. Relative density 0.9031. Melting point -8.3 ℃. Slightly soluble in cold water, soluble in hot water and ether,
Dissolve in ethanol.

Mainly used in the production of its salt and ester products, the former can be used as a desiccant for coatings and varnishes. The latter can be used as a plasticizer and a raw material for pharmaceutical carbenicillin. It is also used in the synthesis of many dyes and fragrances.