Pure product Acetophenone, which is generally containing impurity, is usually showing white plate crystal. When it is above 20, It becomes a colorless or slightly yellow transparent liquid and has a strong smell like Acacia sweet. Melting point 19.7 , boiling point 202 , flash point 76 , and can be spontaneous. Easily soluble in propylene glycol and in non-volatile oil; soluble in chloroform, ethyl ether and ethanol; slightly soluble in water, and insoluble in glycerin. Natural products present in the rock rose oil, iris oil. It can be widely used in chemicals and pharmaceuticals; perfumery and flavoring; solvent and extractant, etc. . CAS 98-86-2