Sodium Metabisulfite, Na2S2O5

• Post Date:

  Aug 08,2017

• Expiry Date:

  Feb 04,2018

• Detailed Description:

  Cas No. :7681-57-4 Payment Method: FOB,CIE,CFR,EXW,DP,DA,OA,LC
  Features Specifications: Sodium Metabisulfite, Na2S2O5
  Commodity: Sodium Metabisulfite (sodium metabisulphite)
  Molecular formula: Na2S2O5 Molecule Weight: 190.10
  H.S code: 28321000 CAS: 7681-57-4
  Specifications:
  1.Appearance: White Powder
  Na2S2O5 97% min.
  Fe 0.0015% max.
  Water-Insoluble 0.01% max.
  As 0.0001% max.
  PH 4.0-4.6
  2. Appearance White powder
  SO2 65%
  Heavy metal(Pb) 0.0015%
  Fe 0.002%
  Water insoluble 0.02%
  PH 4.8
  CL 0.01%
  3. Industrial grade Sodium metabisulfite
  Quality standard: HG/T2826-1997
  Item: high-rate, first-rate
  Content (based on Na2S2O5): ≥96.0% / 94.0%
  Iron < (Fe): ≤0.005% / 0.010%
  Insoluble substance in water: ≤0.05 / 0.05
  Arsenic (based on As): ≤0.0001%
  
  Packing in 25kg/1000kg bag
  Main usage: Textile,Medicine, Food and Rubber industry，Bleaching agent (such as candy, cakes, dried slices of tender bamboo shoots)
  Loosening agent (such as bread, biscuits) preservative, disinfector (such as jam and can)
  Antioxidant, anti-staling agent (such as seafood, fruits, vegetables)
  

• 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:

  tianjin kaiwei yongli united chemical co.,ltd     [ China ]        

• Contact:

  Alice Wu

• Tel:

  +86-132-12296577

• Fax:

  86-22-59810222

• Email:

  alice2006@126.com