Molecular formula: C₃H₆O Index: content ≥ 99.9 moisture ≤ 0.1% Application field: used in the production of epoxy resin, polycarbonate, organic glass, medicine, pesticide, etc. It is also a good solvent for coatings, adhesives, cylinder acetylene, etc. Also used as diluent, cleaning agent, extractant. It is also an important raw material for the manufacture of acetic anhydride, diacetone alcohol, chloroform, iodoform, epoxy resin, polyisoprene rubber, methyl methacrylate, etc. Used as a solvent in smokeless powder, celluloid, acetate, paint and other industries. Used as an extraction agent in oil and other industries.

Molecular formula: C₄H₈O Index: content ≥ 99.9 moisture ≤ 0.1% Uses: widely used in medicine, oil refining, dyes, coatings, spices and other industrial products in the synthesis of equipment. It is also widely used as a solvent for nitrocellulose, vinyl resin, etc. and a dewaxing agent for lubricating oil. As a chemical reagent, it is mainly used for the determination of cadmium, copper and mercury, and is used as a gas chromatography comparison sample. Application areas are mainly used as solvents and organic synthesis raw materials.