... ,as a fine chemical product with high additive value,thiourea is widely used in pharmaceutical raw material,textile dyeing and ... .02%maxThiocyanate (CNS)0.02%maxMelting pointCentigrade degree1713) Use:1, thiourea can be used in drug and feed additive 2, bleaching ... , used to produce cold wave lotion; 10, used to produce thiourea dioxide ; 11, chemical reagent; 12, blueprint used in blueprint and ...