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SODIUM HYDROSULFITE 85% 88% 90%

Sodium hydrosulfite, also known as sodium hydrosulphite, is a white sandy crystal or yellowish powder chemical. As sulfur is in the middle valence state, sodium dithionite has strong reducibility and strong oxidation.

Application: Sodium hydrosulfite powder is widely used in reductive dyeing, reductive cleaning, printing and decolorization of textile industry and bleaching of fabrics such as silk, wool and nylon.
Storage: Stored in a cool, dry, ventilated and covered warehouse to avoid direct sunlight. Keep away from heat sources and do not mix with water or steam. It shall not be mixed with oxidant or other inflammables.
Standard: N/A
Specification:
Chemical Formula
Na2SO4
Other Name
Sodium Hydrosulphite / Sodium Dithionite
H.S. Code
2831.10.10
Grade Standard
Industrial Grade
Packing
50kgs Drum, 22MT/20°FCL
Appearance
White Crystal Powder
Origin
China
Hazard Class
4.2
Quality Standard
HG/T 2074-2011
COA(Certification of Analysis):
Item/Index
90%
88%
85%
Na2SO4
90%
88%
85%
Fe
20ppm
20ppm
20ppm
Zinc(Zn)
1ppm
1ppm
1ppm
Other heavy metal(as Pb)
1ppm
1ppm
1ppm
Water Insolubles
0.05%
0.05%
0.05%
Shelf Life(month)
12
12
12