| Certification: | SGS, ISO |
|---|---|
| Purity: | ≥99% |
| Type: | Sodium Thiosulphate |
| Appearance: | Granular |
| Grade Standard: | Industrial Grade |
| Transport Package: | Packed by 25kg Bag |
| Customization: |
|---|
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Audited Supplier | Other Name | sodium subsulfate | |
| CAS NO. | 7772-98-7 | |
| EINECS NO. | 231-867-5 | |
| Molecular Fomula | Na2S2O2 .5H2O | |
| M.Wt. | 248.17 | |
| Appearance: | white crystal | |
| Specifications | ||
| Item | Standard | Result |
| Appearance | White crystal needle granular | conform |
| Purity | 99.0%min | 99.10% |
| Insoluble matter in water | 0.01% max | 0.01% |
| Sulfides(Na2S:) | 0.001% max | 0.001% |
| Insoluble substance in water | 0.02%Max | 0.003% |
| Iron(Fe) | 0.002% Max | 0.002% |
| PH value | 6.5 - 9.5 | 8.7 |
It is used in photographic ,electroplate and purifying soft water and tanning hides.It is also used as a reducing agent, fixers, blush preventive agent, deoxidizer, sulfur dyeing agent, anti-whiting agent, detergent, disinfectant and color faking agent.
1.For whatever questions about us or our products you may have, do let us know and you can be assured we reply you in details with 24 hours and to your satisfaction.
2.Customized design is avaliable , OEM&ODM are welcomed.
3.Warmly welcome your visit in our company if available
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