Sodium Metabisulfite
Sodium Metabisulfite or sodium pyrosulfite (IUPAC spelling; Br. E. sodium metabisulphite or sodium pyrosulphite) is an inorganic compound of chemical formula Na2S2O5. The substance is sometimes referred to as disodium metabisulfite. It is used as a disinfectant, antioxidant and preservative agent.
Introduction
Appearance:White crystalline powder
Molecular formula: Na2S2O5
Molecular weight: 190.09
CAS No.: 7681-57-4
HS No.: 28321000.00
FEMA No.: 3025
EINECS No.:231-673-0
Function :preservative,Bleaching agent,Antiseptic,Inhibitor.
Technical Specification
| Tests |
Specification |
| Appearance |
White free-flowing Crystal Powder |
| Purity (Na2S2O5) |
97% min |
| Iron (Fe) |
0.003% min |
| Heavy Metal (Pb) |
5 ppm max |
| Arsenic (As) |
1 ppm max |
| Water Insoluble |
0.05% max |
| PH Value |
4.0-4.6 |
Application
It is used widely as an acidifier, as a flavoring and chelating agent.
Packing
25kgs/PP PE BAG
Storage and Transportation
kept in a light-proof,well-colsed,dry and cool place.
Company Profile
Henan Sinowin Chemical Co.,Ltd. is a large comprehensive enterprise, it is engaged in the R & D, production,sales trade for chemical industry. We have been in this line for almost 20 years. Our facilities are world advanced, like the Germany importedproduction line, Modern aseptic production workshop,fully automatic packing machine, stereos/copic warehouse and advanced lab. So quality goods, competitive price,prompt delivery, stable supply and good after- sales service can be guaranteed. Nowadays, our business scope has been extended to more than 50 types in 6 series,it is water treatment chemical, coating, solvent, detergent chemicals , PVC additives and Food additives). Sinowin Chemical materials has been popularly selling worldwidely and the sionwin brand has become a shining business card for our company.
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