Thiourea,Thiocarbamide Purity: 99.0% min Uses in pharmaceutical raw material, bleaching agent in textile ... gradeContent of thiourea,% min 99.0 98.5 98.0Loss after heated,% max 0.40 0.50 1.00Ash content,% max 0.10 0.15 0.80Water ... insoluble matter,% max 0.02 0.05 0.10Suiforho danide(with CNS-),% max 0.02 0.05 0.10Melting point,(degrees centigrade) 171 170 ----- Supply Thiourea ...