
Sodium Metabisulphite
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.
Advisory message
- Details
- parameter
Molecular Formula
Na2S2O5
Appearance and Properties
White or slightly yellow crystalline powder
Uses
As preservative, bleach or loosener for food
ITEM | SPECIFICATIONS |
Content of Na2S2O5 | 96.5%min |
Content of SO2 | 65.0%min |
Heavy Metals | 0.001%max |
Fe | 0.005%max |
Arsenic | 0.0002%max |
Clearance | A little Turbidness |