thiourea dioxide - white crystal powder

Thiourea Dioxide
Henan Hongye Chemical Company Ltd. is the leading professional manufacturer and supplier of Thiourea Dioxide and bleaching agent FAS in the world.We can produce 16000MT Thiourea Dioxide(Formamidinesulfinic acid) and bleaching agent FAS per year.
Use: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.
Other Name: Formamidine sulfinic acid, Amino imino methanesulfinic acid
Formula: CH4N2SO2 short name:TDO,THU
CAS No.: 1758-73-2 or 4189-44-0
UN No.: 3341
Dangerous Goods Class: 4.2
1. Specification:
Purity: 99.%Min
Thiourea: 0.10%Max
Moisture:0.05%Max
Iron(Fe):10ppm Max
Sulphate: 0.17%Max
2. Packing:
a.500kg or 1000kg jumbo bags.
b.50kg fiber drums.
c.25kg or 50kg woven bags.
d.25kg kraft compound plastic bags or upon customers’demands.