<< Back to Products
Sodium Metabisulphite
A commercial dry of sodium bisulphite which most of the properties and uses are identical, It is widely used as a disinfectant, antioxidant and preservative.
Soluble in water, insoluble in alcohol
| Synonym: | Sodium pyrosulphite
|
| Chemical Formula: | Na2S2O5
|
| Appearance: | White crystalline
|
| Application: | -Used in the production of hydrochloride, hydroxylamine
-Used as a coagulative agent.
-Used as a dechlorination agent and boiling-off agent for bleached cotton
-Used as a preservative in food industry
|
| Physical Properties: | Odorless
MP 150 oC
SG 1.48
|
| Item | Result |
|---|
| Na2S2O5 (%) | 97.5
|
| AsSO2 (%) | 65.6
|
| AsFe (%) | 0.0028
|
| AsPb (%) | 0.0005
|
| As (%) | 0.0001
|