Sodium thiosulfate
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
crystal
|
colorless transparent
crystal
|
|
Assay
|
≥99.00%
|
≥98.5%
|
|
Water Insoluble
matter
|
≤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
reaction
|
in accordance with
the test
|
in accordance
with the test
|
|
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
Chemicals
