Classification: Sulphate |
Type: Sodium Sulphate |
CAS No.: 7775-14-6 |
Other Names: dithionous acid disodium salt |
MF: Na2O4S2 |
Place of Origin: Shandong China (Mainland) |
Grade Standard: Food Grade, Industrial Grade |
Purity: 85%,88%,90% |
Appearance: White crystalline powder |
Application: used in textile industry |
Sodium dithionite: Sodium dithionite |
Model Number: zz-22 |
|
Packaging Detail: |
50kg per iron drum |
Delivery Detail: |
two weeks after the payment |
Sodium dithionite
1.assay 85%,88%,90%
2.White crystalline powder
3. used in textile industry
items
|
Industrial Grade
|
Food Grade
|
85%
|
88%
|
90%
|
85%
|
88%
|
90%
|
Appearance
|
White crystalline powder
|
odor
|
Odorless or with a slight odor of sulfur dioxide
|
Na2S2O4 %
|
≥85
|
≥88
|
≥90
|
≥85
|
≥88
|
≥90
|
Water Insolubles%
|
≤0.2
|
≤0.2
|
≤0.2
|
≤0.1
|
≤0.1
|
≤0.1
|
Heavy Metal Contentppm
|
≤1
|
≤1
|
≤1
|
≤1
|
≤1
|
≤1
|
Na2CO3 (%)
|
0.9-5.0
|
0.9-5.0
|
0.9-5.0
|
0.9-5.0
|
0.9-5.0
|
0.9-5.0
|
Fe(ppm)
|
≤20
|
≤20
|
≤20
|
≤20
|
≤20
|
≤20
|
Shelf life (Months)
|
|