Best price of Sodium Hydrosulfite with CAS No. 7775 14 6
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- Supplier: Taian Health Chemical Co. Ltd. [Shandong China]Taian
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Product Overview
Description
Best price of Sodium Hydrosulfite with CAS No. 7775-14-6
Product Description:
product name: Sodium hydrosulphite
other name:Sodium Hydrosulfite
appearance: white free-flow crystal powders
CAS#: 7775-14-6
HS: 28311010
MF: Na2S2O4
Product Specification:
|
Specification |
Tolerance |
Result |
|
Purity(wt%) |
88min |
88.5 |
|
Na2CO3(wt%) |
1-3 |
1.38 |
|
Na2S2O3(wt%) |
1-1.5 |
1.11 |
|
Na2S2O5(wt%) |
2.5-4.0 |
3.2 |
|
Na2SO3(wt%) |
0.1-0.5 |
0.2 |
|
HCOONa(wt%) |
2.5-3.5 |
2.75 |
|
Fe(ppm) |
18max |
16.2 |
|
Pb(%) |
0.0005max |
0.0002 |
|
As(%) |
0.0001max |
0.0001 |
|
Water insouble |
0.1%max |
0.04% |
|
Smell |
a little SO2 of smell |
|
|
Appearance |
White crystalline powder |
|
Product Application:
1, Sodium hydrosulphite is for vat dyes staining the reducing agent, reducing hair bleaching agents, vat dyes printing auxiliaries, silk scouring and bleaching agent, dyeing agents and objects of the peel color dye vat cleaning agent in the textile industry.
2, Sodium hydrosulphite is used as a mechanical pulp, mechanical pulp mill hot and deinking pulp bleaching agent in pulp and paper industry.
3, Sodium hydrosulphite is used as sugar, candy, candied fruit, caramel, cookies, fans, etc. Bleach and food preservation agent in the food industry.
4, As a bleaching agent is widely used to restore the kaolin bleaching; Fur whitening bleaching and restore; Bamboo products and straw products such as bleach.
5, Sodium hydrosulphite is used as a reducing agent in chemical industry
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