Sodium Bisulphite - 2M Water Treatment

Sodium Bisulphite in brief

10% and 23% aqueous solution
Conforms to BS EN 12120:2013
Effective reducing agent
Wide range of applications

2M Water Treatment

2M Water Treatment supplies sodium bisulphite as a 23% aqueous solution.
Please contact info@2m-watertreatment.com for further information or if you require safety and technical data sheets.

About Sodium Bisulphite

Available as a 10% or 23% aqueous solution
Conforms to BS EN 12120:2013
Prepared by treating a solution of sodium hydroxide or sodium bicarbonate with sulphur dioxide
Sodium bisulphite is an effective reducing agent and can prevent oxidative corrosion
Wide range of applications including:
– E222 additive
– Excess chlorine removal in drinking water
– Chemical synthesis
– Bleaching agent
– Removal of dissolved oxygen in steam boiler treatment

Properties

CAS No: 7631-90-5
Molecular formula: NaHSO3
Molecular weight: 104.06 g/mol (anhydrous)
Specific Gravity: 1.31 @ 20 °C
Solubility in water: Fully miscible.
Boiling point: 100 °C
Freezing point: < 0 °C
pH: 4 (neat)
Vapour pressure: 23 hPa @ 20 °C

Industries & Applications

Water treatment – excess chlorine removal
Pulp & paper industry – bleaching agent
Removal of metals from industrial wastewater

Food industry – antioxidant and antimicrobic
Chemical Industry – catalyst and purifying agent