Specie et proprietatibus, album crystallinum pulveris

#sodimsulfite
Specie et proprietatibus, album crystallinum pulveris
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.

de adhibet #sodiumsulfite
1. Reducing bleaching agent,
2. In #printing et #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.