... thiourea is the main raw material of thiourea dioxide,as a fine chemical product with high additive value,thiourea is widely used ... bitter, soluble in water, decompositing when heated, being complex with a lot of metals and inorganic salts. 2). Specification: Purity99%minLoss ... wave lotion; 10, used to produce thiourea dioxide ; 11, chemical reagent; 12, blueprint used in blueprint and clean boiler. 4 ...