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Sulfur dioxide

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  Post Date: Jul 05,2017
  Expiry Date: Jan 01,2018
  Detailed Description: Cas No. :7446-09-5
Product name Sulfur dioxide
Molecular formula SO2
Molecular weight 64.0638
CAS NO 7446-09-5
Properties Sulfur dioxide gas is a colorless, highly irritating odor with a choking gas. In the standard state, the gas density is 2.9266kg/m3, liquefaction temperature -10.09 ℃. 157.26 deg.] C critical temperature, critical pressure 7.795MPa, critical density 0.516g / cm3. Dioxide soluble in water, a medium dissolved gas, acidic aqueous solution, the solubility of sulfur dioxide in sulfuric acid with increasing sulfuric acid concentration decreases.
Uses

Liquid Sulfur Dioxide Main Uses Preparation of chemicals and pharmaceuticals for the preparation of bisulfite, such as sodium bisulfite, as a paper mill bleach.
Executive standard GB/T 3637-1993

  CAS Registry Number:

7446-09-5
  Synonyms: ;231-195-2;Oxosulfane oxide;Schwefeldioxyd;Siarki dwutlenek;sulfane, oxo-, oxide;Sulfur dioxide (SO2);Sulfur dioxide [UN1079] [Poison gas];SULFUR OXIDE;Sulfur oxide (SO2);
  Molecular Formula: O2S
  Molecular Weight: 64.0638
  Molecular Structure: 7446-09-5 sulfur dioxide
  Hazard Symbols:  T:Toxic;
  Risk Codes: R23:;
R34:;
  Safety Description: S9:;
S26:;
S36/37/39:;
S45:;

  Company: Shandong KStone Chemical Co.,Ltd.     [ China ]        
  Contact: Manager Xing
  Tel: +86-13964396037
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  Email: sales@sdkstone.com
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