Thiourea,Thiocarbamide Purity: 99.0% min Uses in pharmaceutical raw material, bleaching agent in ... used as rubber accelerator,floating agent, photo developing agent, prexide thiourea, cold wave etc. It is also used inresin compression molding ... /T3266-1988 )Specifications Best grade Frist grade Qualified gradeContent of thiourea,% min 99.0 98.5 98.0Loss after heated,% max 0 ...