Applications
Sodium Hydrosulfite 90% technical grade is widely used in the textile industry for reducing dyeing, reduction cleaning, printing and decolorization, and as a bleaching of silk, wool, nylon and other fabrics. It can also be used in organic synthesis, such as dyes, pharmaceuticals as a reducing agent or bleach, Sodium Hydrosulfite is the most suitable bleaching agent for wood pulp paper. Its used for chemical processing, cleaners, gas purification, and environmental improvement.
Sales Specification
Assay: 90.00 % Min.
Appearance: White crystalline powder
Na2CO3 (Sodium Carbonate): 1.50 % – 2.50 %
Na2S2O3 (Sodium Thiosulfate): 0.50 % – 1.50 %
Na2S2O5 (Sodium Metabisulfite): 3.50 % – 7.00 %
HCOONa (Sodium Formate): 1.50 % – 2.50 %
Fe (Iron): 18 ppm Max.
Water Insoluble: 0.10 % Max.
Total other heavy metals: 10 ppm Max.
Package
220.46 LB Drum, 6/12 drums per pallet
DOT Transportation
UN/NA: 1384
Proper Shipping Name: Sodium Dithionite
Hazard Class: 4.2
Packing Group: II
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