1. Used as raw materials for the production of 1, 4-butanediol, γ-butanolactone, tetrahydrofuran, succinic acid, unsaturated polyester resin, alkyd resin, etc.
2. Diethyl malathion, an intermediate of organophosphorus insecticide, diethyl malathion, 1-phenyl-3, 6-dihydroxydiazine, as well as the intermediate of pyrethroid insecticides, aminothrin, fungicide and Corzendam, are used in pesticide production.
3. Also used in the production of unsaturated polyester resin, ink additives, paper additives, coatings and pharmaceutical industry, food industry, etc.
