... 40g/cm3 Melting point: 170-171 Csublimation in 150-160 Thiourea Uses: 1, thiourea can be ... used in drug and feed additive 2, bleaching agent ... developer and toner; 6, plating additive; 7, used in the production of gold and electrolytic copper; 8, material of ... dioxide ; 11, chemical reagent; 12, blueprint used in blueprint and clean boiler. Specification:Purity: 99.08% ...