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Thiourea Dioxide

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  Post Date: Jun 12,2014
  Expiry Date: Dec 09,2014
  Detailed Description: Cas No. :1758-73-2 Specs:Purity: 99%min
TECHNICAL CERTIFICATE

Name of commodity : Thiourea Dioxide (Formamidine Sulfinic Acid)
Formula: CH4N2O2S
CAS No. : 1758-73-2
Hazard Class: 4.2
UN No.: 3341
Packing Group : III
H.S.CODE : 2930909090.

Item Specification
Purity (% min) 99
Moisture (% max) 0.05
Thiourea (% max) 0.1
Iron (ppm max) 10
Sulphate (% max) 0.17

Packing : 1. 25kg/50kg Woven bags, or 25kg Kraft paper bags
2. 50kg fiber drums or 180kg iron drums
3. 500kg/1000kg container bags

Usage : A new environmental-protection agent which can be used in place of sodium hydrosulfite, It has better thermal stability and stronger reducing ability. Operation is simple and effective, and transportation and storage convenient. There is no pollution associated with the use of thiourea dioxide.
As a promoter used with textiles and dyes, it is widely used to reduce dyes and sulfur dyes, and for bleaching wool and silk. Other uses include the red uction cleaning of disperse dyes, stripping undesirable colors from dyes, and in dye vat cleaning.
Thiourea dioxide is also used in the paper industry as a bleaching agent and for deinking waste paper.
Other uses:Thiourea dioxide may be used as catalyst for producing synthetic resins in the polymer materials industry, and also has applications in organic synthesis of photosensitive materials, pharmaceuticals, spices and other fine chemicals, as well as in precious metal recovery and separation.

  CAS Registry Number:

1758-73-2
  Synonyms: ;Aminoiminomethanesulphinic acid;Thiourea dioxide;Thiurea Dioxide;Formamidinesulphinic acid;Formamidine sulfinic acid;(E)-amino(imino)methanesulfinic acid;Thiourea S,S-dioxide;(E)-amino(imino)methanesulfinate;1-(dioxido-lambda~6~-sulfanylidene)methanediamine;
  Molecular Formula: CH4N2O2S
  Molecular Weight: 108.1197
  Molecular Structure: 1758-73-2 Formamidinesulfinic acid
  Hazard Symbols:  Xn:Harmful;
  Risk Codes: R22:;
R36/37/38:;
  Safety Description: S24/25:;

  Company: RIL INTERNATIONAL LTD.     [ China ]          
  Contact: Mr.Zhang
  Tel: +86 22 58211126/27/28
  Fax: +86 22 58211129
  Email: sales@tjril.com
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