THIOUREA DIOXIDE 99%: White crystal powder Packing: 25kgs per bag or as per ... .2Molecular Weight :108.11 UN#:UN3341CAS Number:1758-73-2 Thiourea Dioxide is mainly used in dye industry,pulp and paper processing ... photographical emulsion; ItemDataDataPurity,%Min.99.0Min.99.0Thiourea,%Max.0.1Max.0.1Moisture,%Max.0.10Max.0.10Iron(Fe),ppmax.10Max.10Sulphate,%;Max.0.17Max.0.17Appearance White crystal ...