CAS 7775-14-6 Sodium Hydrosulfite

Product Name:Sodium Hydrosulfite
Other Name:Sodium Dithionite
Appearance:White powder
CAS No.: 7775-14-6
HS Code:2831101000
MOQ:1*20'FCL
Package: 50kg Iron drum or Customized package

Description of Sodium Hydrosulfite:

Sodium hydrosulfite also known as Sodium Dithionite, is an inorganic substance with the chemical formula Na2S2O4, which is a white crystalline powder.

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Specification of Sodium Hydrosulfite:


INDEX90%88%85%
Na2S2O4≥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)121212

Application of Sodium Hydrosulfite:


1.Widely used in printing and dyeing industry,such as cotton fabrics dyeing auxiliary, silk fabric bleaching.

2.Used as bleaching agent in paper industry.

3.Used as bleaching agent,antiseptic agent and antioxidant agent in food industry.

4.Used as bleaching agent for soap,oil esters,pulp in light industry.

5.Used for producing rongalite, sodium thiosulfate,thiourea,sulfur,benzoic acid, synthetic dyes, also used copperplate printing,analytical reagent in the chemical industry,etc.

6.Used as reducing agent in printing and dyeing industry.

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Package of Sodium Hydrosulfite:

50 kg Drum ,  21.6MT/20'FCL .also be packed according to customer's needs.

Store closed containers in a cool, dry, well-ventilated area. Avoid exposure to direct sunlight.

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