Sodium sulphite, sulphurous acid, disodium salt, E221

EINECS: 231-821-4
Molecular weight: 126,04

Chemical formula: Na2SO3
Appearance clear and colourless
 

Sodium Sulphite Anhydrous FG is used in various applications. Some examples of applications are listed below.

Used as/in:
• reducing agent
• production of sodium thiosulphate
• bleaching
• oxidation protection solution for developers in the photographic industry
• anti-chlorine agent for the paper- and textile industry
• treatment of boiler water
• conserving food