product name

Sodium hydrosulfite

English name

Sodium hydrosulfite

Alias

Sodium dithionite hydrate; Sodium hydrosulphite; Sodium dithionite; disodium dithionite

CAS RN

7775-14-6

EINECS NO.

231-890-0

Molecular formula

Na₂O₄S₂

Molecular weight

174.1071

Specification:

≥85%，≥88%

Packing:

Woven 25 kg / bag

Physico-chemical properties

Property White crystalline powder.
Relative density 2.3~2.4 
Solubility Easily soluble in water, insoluble in alcohol.

Uses

The product is mainly used as dyeing and printing reductant, bleaching agent for pulp, oil, and etc.