... sample 4.good texture, brilliant crystalline 2012 Hot dale Factory Thiourea 99% 1).Character Molecular Formula: CH4N2SCAS No.: 62-56-6H ... .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 ...