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SODIUM METABISULPHITE

Inquiry
  Post Date: Jun 09,2020
  Expiry Date: Dec 06,2020
  Detailed Description: Cas No. :7681-57-4 Specs:98%min

SODIUM METABISULPHITE
Molecular Formula:Na2S2O5
CAS#:7681-57-4
HS Code:28321000
Appearance:White powder
Qualities are conformed:GB1893-2000

ITEMS

UNIT

SPECIFICATION

Purity

%min

97

As

(ppm) max

5

Fe

(ppm) max

50

Pb

(ppm) max

10

Cd

(ppm) max

10

PH

 

4-5

Water insolubles

(%)max

0.05

Usage
it is for printing and dyeing industry, organic synthesis, printing, leather, pharmaceutical and other sectors; in food processing as preservatives, bleaching agents, baking powder.And used in industrial mineral processing.
Packing
Net 25kgs woven bags with inner liner.
Storage
Sealed in cool and dry place.

  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 Haolin Chemicals Co., Ltd     [ China ]        
  Contact: Ella
  Tel: 0731-86868666
  Fax: 0731-84066299
  Email: ella@haolinchem.com
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