Sodium Hydrosulfite, Packaging Type : white

Specifications
1. Sodium hydrosulfite
2. Mf: na2s2o4
3. Cas no.:7775-14-6
4. White crystallized powder or light yellow
5. 90% ,88% ,85% min
usage
(1) used as reducer, dyes auxiliary of dyeing industry, synthetic dyes and intermediates.
(2) used as bleaching agent of paper pulp in paper-making industry.
(3) used as bleaching agent of china clay in the ceramics industry.
(4) used as deoxidizer of rubber and styrene butadiene rubber synthesis, developer in photo-taking industry.
(5) used as reducing agent, bleaching agent in the industries including pharmacy, food, metallurgy and leather