sodium pyrosulfite

• Post Date:

  Jul 24,2015

• Expiry Date:

  Jul 31,2015

• Detailed Description:

  Cas No. :7681-57-4 Quantity: min 50Metric Tons
  Specs:Food and industrials grade and others
  Price:345 USD Metric Tons
  Payment Method: T/T L/C
  Basic information:
  Molecular formula: Na2S2O5
  CAS: 7681-57-4
  Purity≥85%
  Shape: White and yellow crystalline power, or small crystalline
  Characteristic: Soluble in water, it is acidic
  Inner packing: Plastic bag
  Outer packing: Weaving bag
  Method of packing: It also can be based on customer’s requirements
  
  Application:
  Chemical
  Used in the production of sodium hydrosulfite. Photographic industry ingredients used as a fixative. Spices industry for the production of vanillin. Preservatives used in brewing industry, rubber curing agent and the bleached cotton dechlorinating agent..
  Industrial
  Used in organic synthesis, printing and dyeing, printing, leather, pharmaceutical and other departments; as a preservative in food processing, bleach, bulking agent.
  Chemical reagent
  Used as a bleach mordant, rubber curing agent, reducing agent is used for organic synthesis pharmaceutical, spices, and so on.
  

• CAS Registry Number:

  7681-57-4

• Synonyms:

  ;Sodium pyrosulfite;disodium disulphite;Sodium metabisulphite;Sodium disulphite;Sodium pyrosulphite;SODIUM DISULFITE;disodium oxidosulfanesulfonate oxide;Sodium Metabi;Metabisulfite Sodium;Sodium Metabisulfite (Food Grade);

• Molecular Formula:

  Na₂S₂O₅

• Molecular Weight:

  190.1065

• Molecular Structure:

  

• Hazard Symbols:

   Xn:Harmful;
  

• Risk Codes:

  R22:;
  R31:;
  R41:;
  

• Safety Description:

  S26:;
  S39:;
  S46:;
  

• Company:

  Tangshan Hengxinda Group Co.,Ltd     [ China ]        

• Contact:

  jeason

• Tel:

  86-315-6727546

• Fax:

  86-315-3851857

• Email:

  liuchangwanghxd@163.com