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Sodium Metabisulphite

Inquiry
  Post Date: Sep 18,2023
  Expiry Date: Dec 17,2023
  Detailed Description: Cas No. :7681-57-4 Quantity: 20000Metric Tons
Specs:97%min
Price:290 USD Metric Tons
Payment Method: T/T,L/C at sight,D/P etc
Name：

Sodium Metabisulphite

Chemical formula：

Na2S2O5
Physical appearance：

White powder or small crystalline particles.

Quality standard：

GB1893-1998

Description：

Application:

1>Bleaching agent for textile fibres;

2>Colors stripper and dechlorination;

3>Preparation of Indigo Vat Dye;

4>Solubilizing and acidyfing agent for leather industries ;

5>Bleaching agent forpaper pulps;

6>Preservative and sterilisation agent for food industries.



Package:

1>25kg /50kg compound plastic woven bag with inner polythene liner;

2>1000kg Jumbo bags;

3>Any other particular requirements to the package can be discussed.



Shelf Life :half one year.



Storage & handling:

1>Store the product in a cool and dry place;

2>Prevent from direct sunlight,water and moisture;

3>Avoid contact with strong acid,oxidants or poisonous substances;

4>Exposure to moisture will make it oxidze easily to sodium sulphate;

5>Do not store it for long time.



Product Specification:

TECH GRADE FOOD GRADE

NA2S2O5 >96.5% >97.0%

SO2 >65% >65%

FE <0.005% <0.003%

WATER INSOLUBLE <0.05% <0.05%

HEAVY METAL(PB) <0.001% <0.001%

AS <0.0003% <0.0001%

  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 Weichuang Chemical Co.,Ltd     [ China ]        
  Contact: lilian
  Tel: +86-731-84765733
  Fax:
  Email: lilian@weichuangchem.com
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