Sodium Hydrosulfite
![保险粉](http://www.aojinchem.com/uploads/b5a299db1.jpg)
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
|
18-22.5MTS(20`FCL)
|
Certificate
|
ISO/MSDS/COA
|
Application
|
Reducing Agent or Bleach
|
UN No
|
1384
|
Details Images
![pvc recycle chin a_副本](http://www.aojinchem.com/uploads/1302f3a02.jpg)
![pvc废料1_副本](http://www.aojinchem.com/uploads/ff3da3a82.jpg)
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](http://www.aojinchem.com/uploads/4984663f.png)
Widely used in reduction dyeing, reduction cleaning, printing and decolorization of textile industry and bleaching of silk, wool, nylon and other fabrics.
![d275-iypetiv4085944](http://www.aojinchem.com/uploads/d275-iypetiv4085944.jpg)
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](http://www.aojinchem.com/uploads/be42d4ce.png)
Sodium dithionite is the most suitable bleaching agent for wood pulp and paper.
![微信截图_20230619134715_副本](http://www.aojinchem.com/uploads/37c7d168.png)
Used in organic synthesis, such as reducing agent or bleaching agent in the production of dyes and pharmaceuticals.
Package & Warehouse
![18](http://www.aojinchem.com/uploads/1820.jpg)
![22](http://www.aojinchem.com/uploads/2220.jpg)
Package
|
50KG Drum
|
Quantity(20`FCL)
|
22.5MTS/20'FCL
|
![19](http://www.aojinchem.com/uploads/1915.jpg)
![6](http://www.aojinchem.com/uploads/643.jpg)
![15](http://www.aojinchem.com/uploads/1526.jpg)
![5](http://www.aojinchem.com/uploads/543.jpg)
Company Profile
![微信截图_20230510143522_副本](http://www.aojinchem.com/uploads/65bf4f4e.png)
![微信图片_20230726144640_副本](http://www.aojinchem.com/uploads/8b1c53da1.jpg)
![微信图片_20210624152223_副本](http://www.aojinchem.com/uploads/6171e83c.jpg)
![微信图片_20230726144610_副本](http://www.aojinchem.com/uploads/5a947f9d1.jpg)
![微信图片_20220929111316_副本](http://www.aojinchem.com/uploads/7d344b19.jpg)
Shandong Aojin Chemical Technology Co., Ltd. was established in 2009 and is located in Zibo City, Shandong Province, an important petrochemical base in China. We have passed ISO9001:2015 quality management system certification. After more than ten years of steady development, we have gradually grown into a professional, reliable global supplier of chemical raw materials.
![奥金详情页_02](http://www.aojinchem.com/uploads/21383cda1.jpg)
Frequently Asked Questions
Need help? Be sure to visit our support forums for answers to your questions!
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.
Usually, quotation is valid for 1 week. However, the validity period may be affected by factors such as ocean freight, raw material prices, etc.
Sure, product specifications, packaging and logo can be customized.
We usually accept T/T, Western Union, L/C.