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Sodium Hydrosulfite
Sodium Hydrosulphite
Molecular formula：Na2S2O4
Molecular weight：174.11
CAS No.：7775-14-6
Property：White crystalline powder, easily soluble in water, insoluble in alcohol.
Usage：

1. widely used in the textile industry, as reducing agent for vat dyeing, vat bleaching agent, vat dye printing auxiliary, silk refining and bleaching agent, dye stripping agent and dye vat cleaning agent, etc.;

2. as a bleaching agent in the paper industry;
3. in the bleaching of kaolin, the bleaching and reduction whitening of fur, the bleaching of bamboo products and straw products, etc.;
4. in beneficiation, synthesis of thiourea and its sulfide, etc.;
5. as reducing agent in chemical industry.
Packing：in iron drum with inner plastic bags, 50kgs net, 100kgs net.

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