Sodium Metabisulfite

• Post Date:

  Sep 26,2024

• Expiry Date:

  Mar 25,2025

• Detailed Description:

  Cas No. :7681-57-4

  Quality Standard HG/T2826-2008

  Item	Chinese standard		Company standard
  	HG/T2826-2008
  	Top-grade	First grade
  Main content(以Na2S2O5计),%	≥96.5	≥95.0	≥97.0
  Fe (Fe),%	≤0.005	≤0.010	≤0.002
  Water-Insoluble%	≤0.05	≤0.05	≤0.02
  Arsenic(As) content%	≤0.0001	—	≤0.0001

  Molecular Formula: Na2S2O5

  Molecular weight:190.10

  Appearance:White crystal powder

• 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:

  QiXia TongDa Flotation Reagent Co., Ltd.     [ China ]          

• Contact:

  qianjin yi

• Tel:

  +86-535-5203189 5203569

• Fax:

  +86-535-5203217

• Email:

  aotongchem@188.com