Sodium metabisulfite

• Post Date:

  Jul 21,2014

• Expiry Date:

  Jan 17,2015

• Detailed Description:

  Cas No. :7681-57-4 Specs:technical grade ，food grade
  

  Molecular Formula: Na2S2O5

  Molecular Weight: 190.10

  Appearance: white or yellowish crystalline powder

  Quality Standard: HG/T2826£­1998

  Item	Industry standard (best quality)	Specifications
  Na2S2O5 %≥	96.0	97.5
  Fe %≤	0.005	0.002
  Insol. in water%≤	0.05	0.02
  Arsenic ≤	0.0001	0.0001

  
  

  Use:	mordant;  dechlorinating agent;  reducing agent and sulfonating agent;  bleaching agent for bamboo, wood, paper fiber; flotation reagent for nonferrous metals; waste water treatment chemical;
  Packing:	In PP bag with PE lining
  Net wt.:	25, 50, 1000kgs/bag.

• 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:

  Xinxiang City Jieshen purification Co.,Ltd.     [ China ]        

• Contact:

  steven

• Tel:

  0373-5858028/5682599

• Fax:

  0373-5682678

• Email:

  info@jieshenchem.com