Sodium Metabisulphite

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Sodium Metabisulphite

MANUFACTURERS, SUPPLIER AND EXPORTERS OF SODIUM METABISULPHITE ALSO KNOWN AS SODIUM PYROSULPHITE, SODIUM METABISULFITE OR SODIUM PYROSULFITE IN MUMBAI, INDIA.

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.


Specifications of Sodium Metabisulphite:
Sr. No Parameters Unit Specified value
1 Appearance Visual observation A white to An off white-creamy, powder
2 Odour   Releases SO2, a pungent smell
3 Solubility 5% solution in water % w/v Soluble & clear solution
4 pH (5% solution) % w/v 3.5 – 5.0
5 Purity (as Na2S2O5) % w/w Min 95.0 %
6 SO2% % w/w Min 64.0 %
7 Water insoluble matter % w/w Max 0.05%
8 Iron (as Fe) % w/w Max 0.004%

Types of Sodium Metabisulphite




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