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Thiourea dioxide

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  Post Date: Apr 08,2015
  Expiry Date: Oct 05,2015
  Detailed Description: Cas No. :1758-73-2

Chemical name: Formamidine sulfinic acid
Synonyms: Aminoiminomethanesulfinic acid; Thiourea dioxide
CAS No.: 1758-73-2
Molecular formula: CH4N2SO2
Molecular weight: 108.12

Properties:
White and smelless powder,a kind of stable product without oxidisability and reducing property. Solubility in water:26.7g/l(20℃) and PH value of saturated aqueous solution:5.0. It will be quite stable even if in 20-30℃ solution,but it would decompose in case of heat or alkali and give off sulphonic acid.

Usage:
Mainly used in dyeing industry as a substation of sodium hydrosulphite and used in organic synthesis,also used as additive of polymerization, stabilizer for polythene sensitizer of photographical emulsion and so on.

Specification:

Asaay 99.0% min.
Thiourea 0.10% max.
Sulfate(SO4) 0.17% max.
Iron(Fe) 0.001% max.
Moisture > 0.05% max.

Packing: 25 kg bags or 50 kg fibre drums.

  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: Weifang Richem International Ltd     [ China ]        
  Contact: Mr Du
  Tel: +86-536-2222176
  Fax: +86-536-2222175
  Email: info@sino-richem.com
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