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Sodium Metabisulphite

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  Post Date: Apr 14,2025
  Expiry Date: Oct 11,2025
  Detailed Description: Cas No. :7681-57-4

Sodium Metabisulphite  

MF: Na2S2O5 

CAS No.: 7681-57-4

Molecular: 190.12  

Usage: dying, organic synthesis, printing, leather, pharmacy and so on

Packaging: Net 25kgs, 50kgs plastic woven bags with inner liner

ITEM

SPECIFICATION

Na2S2O5

≥ 97.0%

SO2

≥ 65.0%

Iron (Fe) 

≤ 0.005%

insoluble in water

≤ 0.05%

PH Value

4.0-4.6

Arsenic (as As)

≤ 0.0001%

Heavy metal (base on Pb)

≤ 0.001%


  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: Changsha Hekang Chemical Co., Ltd.     [ China ]          
  Contact: Richard
  Tel: 0086-731-82285968
  Fax: 0086-731-82280256
  Email: walionchem@hotmail.com
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