Sodium hydrosulfite (Sodium dithionite)

Other names

Sodium dithionite, sodium hydrosulfite

Product description

Inorganic chemical compound.

Application

Used as a reducing agent in textile dyeing and in paper production, as a bleaching agent for wood fibre – mechanical pulp during its preparation, before combining it with other fibres (cellulose, waste paper).

Key applications

Wastewater treatment Water conditioning Industries: Construction chemicals, paints and varnishes, Household chemicals, Chemical industry, Metal industry and electroplating, Paper industry, Wood processing, Leather, textiles and textile industry, Water and wastewater, Swimming pools

English name

Hydrosulfite

Chemical formula

2NaHSO3 + Zn → Na2S2O4 + Zn(OH)2

CAS number

-

Delivery / packaging

Metal drums