Application: | widely used |
---|---|
Appearance: | white powder |
Purity: | Min.97% |
Grade Standard: | Food Grade |
Place of Origin: | China (Mainland) |
EINECS No.: | 231-673-0 |
MF: | Na2S2O5 |
CAS No.: | 7681-57-4 |
Classification: | sodium |
Quick Details
Specifications
Application:
1 Bleaching agent for textile fibers, paper pulps;
2 Colors stripper and dechlorination;
3 Preparation of Indigo Vat Dye;
4 Solubilizing and acidifying agent for leather industry;
5 Wastewater treatment.
Packaging:
25kg, 1000kg&1250kg bag
Storage & handling:
Store the product in a cool and dry place; prevent from direct sunlight, water and moisture, avoid contact with strong acid, oxidants or poisonous substances. Exposure to moisture will make it oxidize easily to sodium sulphate. Do not store it for long time.
Specification:
Appearance |
White Powder |
Purity as Na2S2O5 |
97.0% Minimum |
SO2 |
65.3% Minimum |
Water Insoluble Material |
0.05% Maximum |
Iron(Fe) |
0.003% Maximum |
PH |
4.0-4.8 |
Heavy Metals as pb |
0.0005% Maximum |