| CAS No.: | 7775-14-6 |
|---|---|
| Formula: | Na2s2o4 |
| EINECS: | 231-890-0 |
| Certification: | CCIC, CIQ, RoHS, ISO |
| Purity: | ≥99% |
| Type: | Sodium Sulfate |
| Samples: |
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| Customization: |
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Suppliers with verified business licenses
Audited Supplier Product Name: SODIUM THIOSULFATE / SODIUM HYPOSULFIDE
CAS:7772-98-7
Molecular Formula: Na2S2O4
Molecular weight: 248.17
Application:
It is usded as fixing agent in photo, reductant, dechlorinating agent, sulfur dyeing agent, disinfectant and decolor agent and applied in electrofacing, leather, etc.
Specification:
|
Item |
Photographic grade |
Industrial grade |
Anhydrous grade |
|
Appearance |
colorless transparent crystal |
colorless transparent crystal |
white powder |
|
Assay |
≥99.00% |
≥98.5% |
≥97.0% |
|
Water Insoluble matter |
≤0.01% |
≤0.03% |
≤0.03% |
|
Sulfide |
≤0.001% |
≤0.003% |
≤0.001% |
|
Fe |
≤0.001% |
≤0.003% |
≤0.005% |
|
PH |
6.5~9.5 |
6.5~9.5 |
6.5~9.5 |
|
Water solution reaction |
in accordance with the test |
in accordance with the test |
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|
Granularity(g/g) |
12~16 |
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Suppliers with verified business licenses
Audited Supplier 
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