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Sodium Hydrosulfite 85 88 90

Short Description:

Product Name: Sodium Hydrosulfite

Package: 50KG Drum

Other Names: Sodium Dithionite

Quantity: 22.5MTS(20`FCL)

Cas No.: 7775-14-6

HS Code: 28311010

UN No.: 1384

Purity: 85% 88% 90%

MF: Na2S2O4

Appearance: White Powder

Certificate: ISO/MSDS/COA

Application: Reducing agent or bleach


Product Detail

Product Tags

保险粉

Product Information

Product Name
Sodium Hydrosulfite
Package
50KG Drum
Other Name
Sodium Dithionite
Cas No.
7775-14-6
Purity
85% 88% 90%
HS Code
28311010
Grade
Industrial/Food Grade
Appearance
White Powder
Quantity
22.5MTS(20`FCL)
Certificate
ISO/MSDS/COA
Application
Reducing agent or bleach
UN No
1384

Certificate Of Analysis

Product Name
Sodium Hydrosulfite 85%
ITEM
STANDARD
TESTING RESULT
Purity(wt%)
85min
85.84
Na2CO3(wt%)
3-4
3.41
Na2S2O3(wt%)
1-2
1.39
Na2S2O5(wt%)
5.5 -7.5
6.93
Na2SO3(wt%)
1-2
1.47
Fe(ppm)
20max
18
Water lnsoluble
0.1
0.05
HCOONa
0.05max
0.04
Product Name
Sodium Hydrosulfite 88%
Na2S2O4%
88 MIN
88.59
Water insolubles%
0.05MAX
0.043
Heavy MetalContent(ppm)
1MAX
0.34
Na2CO3%
1-5.0
3.68
Fe(ppm)
20MAX
18
Zn(ppm)
1MAX
0.9
Product Name
Sodium Hydrosulfite 90%
Specification
Tolerance
Result
Purity(wt%)
90min
90.57
Na2CO3(wt%)
1 -2.5
1.32
Na2S2O3(wt%)
0.5-1
0.58
Na2S2O5(wt%)
5 -7
6.13
Na2SO3(wt%)
0.5-1.5
0.62
Fe(ppm)
20max
14
Water Insolubles
0.1
0.03
Total other heavy metals
10ppm max
8ppm

Application

微信截图_20230717134227

Widely used in reduction dyeing, reduction cleaning, printing and decolorization of textile industry and bleaching of silk, wool, nylon and other fabrics.

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Can be used for food bleaching, such as gelatin, sucrose, candied fruit, soap, animal (vegetable) oil, bamboo, porcelain clay, etc.

微信截图_20230717134836

Sodium dithionite is the most suitable bleaching agent for wood pulp and paper.

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Used in organic synthesis, such as reducing agent or bleaching agent in the production of dyes and pharmaceuticals.

Package & Warehouse

3
2
Package
50KG Bag
Quantity(20`FCL)
22.5MTS/20'FCL
6
5

Frequently Asked Questions

Need help? Be sure to visit our support forums for answers to your questions!

May I place a sample order?

Of course, we are willing to accept sample orders to test quality, please send us the sample quantity and requirements. Besides, 1-2kg free sample is available, you just need to pay for the freight only.

How about the validity of the offer?

Usually, quotation is valid for 1 week. However, the validity period may be affected by factors such as ocean freight, raw material prices, etc.

Can the product be customized?

Sure, product specifications, packaging and logo can be customized.

What is the payment method you can accept?

We usually accept T/T, Western Union, L/C.

Ready to get started? Contact us today for a free quote!


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