1).Product range 

Product name Thiourea Dioxide (Formamidine sulfinic acid) 

2).Molecular formula 

CH4N2SO2 Molecular weight：108.12

3). Appearance

　1.melting point：126℃ PH value：4 dangerous grade：4.2

　2. thiourea dioxide(TD or TUD)is also named as Formamidine sulfinic acid. Its appearance is white crystal powder. Thiourea is a stable compound with no strong reducing and oxidizing ability.

　3.Thiourea dioxide has many advantages, such as high reducibility, excellent heat stability, nonpoison, tasteless, easy operation, efficience, transportation and storage convenient etc. It is an exchange product of sodium hydrosulphite.

　4. The thiourea dioxide’s security performance is good, it does not pollute the environmental air when using. 

4). Packing

　?。羉cording to the international marine transportation rule and customer’s request, we divide the packing into the following kinds:

　1. 25kg compound plastic bags 

　2. 50kg fiber drums

5). Using

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, medicial, spicery materials in fine chemicals, and also can be applied in the recycling and separating of heavy metals.

6).storage:

Dry pure environment, the well ventilated condition, and the 30 ℃ warehouse temperature is good for storaging this product. Please Pay attention to moisture-proof, rainproof!