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Home > Offer to Sell > Catalyst and Auxiliary > Catalyst > Sodium Sulfite

Sodium Sulfite

Inquiry
  Post Date: Mar 02,2021
  Expiry Date: Aug 29,2021
  Detailed Description: Cas No. :7757-83-7 Payment Method: L/C.D/P at sight
Appearance:White crystalline powder.

Quality standard:HG/T 2967-2000

Application:
1>Bleaching agent for paper pulps;
2>Waste water treatment;
3>Reducing and sulphonating agent for chemical synthesis;
4>Bleaching agent for textiles;
5>Colors stripper and deoxidization ;
6>Floating agent for mining industry;
7>Auxiliary chemical in tanning process.

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:One year.

Storage & handling:
1>Store the product in a cool and dry place;avoid contact sunshine;
2>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>Not store it for a long time.


Product Specification:
ITEM FOOD GRADE TECH GRADE TECH GRADE
Na2SO3 >97% >96% >93%
FREE ALKALI <0.1% <0.4% <0.4%
IRON <0.002% <0.005% <0.005%
WATERINSOLUBLE MATTER <0.02% <0.05% <0.05%
SODIUM SULFATE(Na2SO4) <2.5% --------- ---------
NACL <0.1% ---------- ---------

  CAS Registry Number:

7757-83-7

  Synonyms: ;Sodium sulfite anhydrous;Sodium sulphite;anhydrous sodium sulfite;Sodium sulfite ,anhydrous;Sodium Sulfite (Food Grade);
  Molecular Formula: Na2SO3
  Molecular Weight: 126.04
  Molecular Structure: 7757-83-7 Sodium sulfite
  Hazard Symbols:  Xn:Harmful;
  Risk Codes: R22:;
R36/37/38:;
  Safety Description: S24/25:;

  Company: Changsha weichuang chemical co., ltd         
  Contact: Lucia
  Tel: 17872514529
  Fax:
  Email: Lucia@weichuangchem.com
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