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CONTACT
Société: Produits Chimiques Choix Ltée.
Addresse: Immeuble de bureaux du siège social de You'a, rue Chaoyang Front, district de Furong, Changsha, province du Hunan 410000, Chine
Numéro de télé: +86 731 89856736/92/93
Mobile: 0086 731 89878447
Mail : info@choice-chem.com
Bisulfite de sodium
Renseignement
|
Aspect |
Poudre de cristal blanc |
|
N ° CAS. |
7631-90-5 |
|
EINECS |
231-548-0 |
|
HSCODE |
2832100000 |
|
Formule moléculaire |
NaHSO3 |
Qualité standard
|
Produit |
Norme chinoise |
Norme d'entreprise |
|
Main content (in SO2)% |
64 ~ 67 |
64 ~ 67 |
|
Water-Insoluble ≤ % |
0.03 |
≤ 0.01 |
|
Chloride(Cl) ≤ % |
0.05 |
≤ 0.03 |
|
Fer (Fe) ≤% |
0.004 |
≤ 0.001 |
|
Heavy metal(Pb)≤% |
0.001 |
≤ 0.0001 |
|
Arsenic(As) ≤ % |
0.0002 |
≤ 0.0001 |
|
PH Value(500g/L solution) |
4.0 ~ 5.0 |
4.0 ~ 5.0 |
Applications
- Sodium bisulfite is used for the bleaching of cotton fabrics and organic materials.
- And used as a reducing agent in dyestuff, papermaking, tanning, chemical synthesis and other industries.
- In the pharmaceutical industry, it is applied to produce intermediates of metamizole and aminopyrine.
- Serves as bleaching agent, preservative, and antioxidant food grade products.
- And used as a plating additive in the treatment of chromium-containing waste water.
Emballage et transport
Lot: Polypropylene weaving bag lined with polyethylene plastic bag, paper plastic compound bag, etc.
Poids net: 25/50/1000kg bag or upon clients' request
