Chemical Name： Thiourea Dioxide
CAS #: 1758-73-2
Synonyms： Formamidine Sulfinite Acid, Aminoiminomethanesulphinic Acid, Methanesulfinic acid, aminomino
Chemical Formula：CH4N2O2S
Molecular Weight：108.12
Structure Formula： Thiourea Dioxide
Technical Index
Appearance： free-flowing white crystal powder
Active ingredients：99% Min
Thiourea ： 0.1% Max
Moisture： 0.05% Max
Ash： 0.17% Max
Iron： 0.001% Max
Properties
Thiourea Dioxide is an odorless white powder, a stable compound without oxidizability and reducibility. Solubility in water 26.7g/l at 20℃, saturated aqueous solution pH5.0. Thiourea Dioxide is very stable even in 20-30℃ aqueous solution, but it decomposes gradually to form sulfinic acid under heat and alkali conditions.
Application
Thiourea Dioxide is mainly used in dyeing industry, pulp industry, organic synthesis in synthetic fiber industry, as well as an additive in polymerization, stabilizer for polythene, sensitizer of photographical emulsion and so on. Thiourea Dioxide has the advantages of safe handling and storage, high redox potential and efficiency.
Storage and Handling
Keep Thiourea Dioxide in a cool, dry and ventilated place. Avoid damp, insolation and rain. Keep away from heat, sparks, flames, alkalis or oxidizing agents.
Packing
25 kg net kraft paper bag / plastic woven bag
50kg / 100kg / 200lb fiber drum
500 / 1000 kg jumbo bag.
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