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Sodium metabisulfite

Inquiry
  Post Date: Nov 08,2022
  Expiry Date: May 07,2023
  Detailed Description: Cas No. :7681-57-4

Appearance: White or yellow crystalline powder or small crystals
Package: 25kg pp bag or 1000kg jumbo bag
Specification :

Specification  
Main content(Na2S2O5 %)% ≥97
Fe% ≤0.003
Water insoluble matter % ≤0.05
heavy metal % ≤0.0005
ARSENIC % ≤0.0001
PH(5% water soluble) 4.72

Uasge: Used in organic synthesis, printing and dyeing, printing, leather, pharmaceutical and other departments;Used as preservative in food processing, bleach, bulking agent.

  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: 7681-57-4 Sodium metabisulfite
  Hazard Symbols:  Xn:Harmful;
  Risk Codes: R22:;
R31:;
R41:;
  Safety Description: S26:;
S39:;
S46:;

  Company: Fondland Chemicals Co., Ltd.     [ China ]        
  Contact: Wendy Yang
  Tel: 086-536-2101388
  Fax: 086-536-2101388
  Email: yaq@wffondland.com
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