Thiourea Dioxide By Nanle Hongye Chemical Company Ltd.

Hongye Chemical Co., Ltd is the leading professional manufacturer and supplier of Thiourea Dioxide and pulp bleaching agent FAS. We can produce 50000MT Thiourea Dioxide(Formamidine sulfinic acid) &pulp bleaching agent FAS.
TDO is a new kind of reducing agent that used as exchange of sodium hydrosulfite. It is widely used in textile and paper making industry. This product is also used in leather processing industry, paper, pulp and board industry, photographic industry, bleaching and reducing agents. This product is also a component of decolorisation agents. In macromolecule material industry, it is used as catalysis agent and stabilizer of resinic producing, and it is also used in organic synthesization of sensitizing material, and medicine, medical, spicery materials in fine chemicals, and also can be applied in the recycling and separating of heavy metals.

Physical & Chemical Features
Byname: Formamidine Sulfinic Acid
Molecular Formula:i NH2i 2CSO2
PH 4 i 1% Solutioni
CAS NO. 1758-73-2 or 4189-44-0
UN NO: 3341
Dangerous Goods Class: 4.2

Specification:
Purity: 99.%Min
Thiourea: 0.10%Max
Moisture: 0.05%Max
Iron(Fe): 10ppm Max
Sulphate: 0.17%Max