Appearance and properties: white crystal powder

#sodimsulfite

Appearance and properties: white crystal powder

CAS: 7757-83-7

Melting point (℃): 150 (decomposition by dehydration)

Relative density (water = 1): 2.63

Molecular formula: Na2SO3

Molecular weight: 126.04 (252.04)

Solubility: easily soluble in water , insoluble in ethanol, etc.

Uses of #sodiumsulfite

1. Reducing bleaching agent,

2. In the #printing and #dyeingindustry, it is used as a deoxidizer and bleaching agent for the scouring of various cotton fabrics. It can prevent the local oxidation of cotton fibers and affect the fiber strength, and improve the whiteness of the scouring product.