1.Product name: anhydrous phosphoric acid
2.Molecular formula: Na2S2O3·5H2O
Molecular weight: 248.17
3.Cas No: 7772-98-7
Eiencs No:231-867-5
4.Specification:
|
Item |
Index |
|
|
Photographic grade |
Industrial grade |
|
|
Appearance |
colorless transparent |
colorless transparent |
|
Assay |
≥99.00% |
≥98.5% |
|
Water Insoluble |
≤0.01% |
≤0.03% |
|
Sulfide |
≤0.001% |
≤0.003% |
|
Fe |
≤0.001% |
≤0.003% |
|
PH |
6.5~9.5 |
6.5~9.5 |
|
Water solution |
in accordance with |
in accordance |
|
Granularity(g/g) |
12~16 |
--- |
5.Use: this product is used for the industries like leather, paper, textiles etc. Used as fixer, sulfur dyeing agent, reductant, dechlorinating agent, decolor agent and blush preventive agent, disinfectant.
6.package: 25kg, 50kg/ bag
【 Go Back 】 | 【 Close this window 】