CAS NO 7775-14-6 Sodium hydrosulfite

Product name: Sodium hydrosulfite
Other Name: Sodium Dithionite
Appearence: White crystalline powder.
CAS NO.:7775-14-6
HS CODE : 2831101000
UN NO.:1384
MOQ:21.2tons/1X20FCL
Package: 50kg Iron Drum

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CAS NO 7775-14-6 Sodium hydrosulfite

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

Introduction of Sodium hydrosulfite

Other Name: Sodium Dithionite

Appearence: White crystalline powder.

CAS NO.:7775-14-6

HS CODE : 2831101000

UN NO.:1384

MOQ:21.2tons/1X20FCL

Specification of sodium hydrosulfite:

INDEX	90%	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)	12	12	12

Applications of sodium hydrosulfite:

It is widely used in reductive dyeing, reductive cleaning, printing and decolorization in the textile industry and for bleaching of silk, wool, nylon and other fabrics. Because it does not contain heavy metals, the bleached fabrics are very bright in color and not easy to fade. In terms of various substances, it can also be used for food bleaching, such as gelatin, sucrose, candied fruit, and bleaching of soap, animal (vegetable) oil, bamboo ware, and porcelain clay. It can also be used in organic synthesis, such as the production of dyes and pharmaceuticals as a reducing agent or bleaching agent. Sodium hydrosulfite is the most suitable bleaching agent for wood pulp and papermaking.

Package & Storage 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.

Sodium hydrosulfite