Contact person: Ms. jinghong wu
Position: sales manager
Address: 2km to the North of Nanle County, Puyang City, Henan Province. China
Country: China
Phone: +86-393-4636771 - Mobi:

Thiourea Dioxide

Price: 1600

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.
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