Sodium Metabisulfite

• Post Date:

  Aug 23,2014

• Expiry Date:

  Feb 19,2015

• Detailed Description:

  Cas No. :7681-57-4

  Product Name:	Sodium metabisulfite
  Category:	Inorganic chemical/inorganic salt
  CAS NO:	7681-57-4
  EC NO:	231-673-0
  Molecular Formula:	Na2S2O5
  Specifications	Item Quality spec. food grade technical grade Purity (Na2S2O5) ≥98.0% ≥970% Sulfur dioxide( SO2) ≥65.0% 65.0% Arsenic ( As ) ≤0.0002% - Heavy metal (Pb) ≤0.0005% - Selenium (Se ) ≤0.0005% - Iron (Fe) ≤0.001% ≤0.002% Insol. in water ≤0.02% ≤0.05% pH-value : 4.0-4.8 4.0-4.8 Note: Meet FCC V and E 223 standard
  Molecular Weight:	190.1
  Packing:	In PP woven bag lined with PE film bag, lining thickness≥0.05mm,25, 50, 1000kg/bag
  Specifications:	Properties: white or yellowish crystalline powder with strong SO2 odor; specific wt.: 1.4. soluble in water, its aqueous solution is acidic. Molecular Formula: Na2S2O5 Molecular Weight: 190.10 CAS NO.: 7681-57-4
  Use:	As mordant for printing & dyeing; as dechlorinating agent for textile bleaching; as reducing agent and sulfonating agent for chemical and medical industries etc.

• 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:

  Shandong Hailan Chemical Industry Co.,Ltd.     [ China ]        

• Contact:

  MS. Yang

• Tel:

  +86-536-5337337 5364999

• Fax:

  +86-536-5337000

• Email:

  sales01@sdhailanchem.com