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Sodium Hydrosulphite 85%/88%/90%,China price supplier

Sodium Hydrosulphite 85%/88%/90%
min.order / fob price
≥1 piece
OriginChina
Production Capacity2000MT per month
CategoryOthers
Update Time2024-07-10
company profile
Henan Allrich Chemical Co., Ltd
China
Contact: Ms.Lisa Wei
Tel: 86-371-66396550
Number of Employees: 50 ~ 100
Business Type:
product details
Model No:AR
Origin:China
Sodium Hydrosulphite 85%/88%/90%
CAS No:1326-82-5
EINECS No.:231-890-0
HS Code: 28311010
Other name: burmol,dithionous acid  , disodium salt 
Molecular Formula:Na2O4S2 
Appearance:white free-flow crystal powders
Specifications:

Item
90%
88%
85%
food grade
Na 2 S 2  O 4
≥  90%
≥  88%
≥  85%
≥  85%
(Fe)
≤  20ppm
≤  20ppm
≤  20ppm
≤  20ppm
(Zn)
≤  1ppm
≤  1ppm
≤  1ppm
≤  1ppm
Clarity
Clarify
Clarify
Clarify
Clarify
edta
-
-
-
Qualified
(As)
-
-
-
≤  1ppm
Other heavy metals(pb)
-
-
-
≤  1ppm
HCHO
-
-
-
≤  0.05%
water insoluble matter
≤  0.05%
≤  0.05%
≤  0.05%
-

C haracteristics:
Smell:flavourless or smell of sulfur dioxide
 
Uses:   
1, It 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, It is used as a mechanical pulp, mechanical pulp mill hot and deinking pulp bleaching agent in pulp and paper industry.
3, It 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, It is used as a reducing agent in chemical industry.
Package : 25kg/p p bag     21MT/20'FCL
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