English 
Description
| Chemical Name | Sodium Thiosulphate 5H2O |
| Chemical Grade | AR |
| Chemical Formula | Na₂O₃S₂ · 5H₂O |
| Chemical Weight | 248,18 g/mol |
| CAS No | 10102-17-7 |
| Appearance | White, translucent, odourless crystals, granules or powder |
| Assay | min. 99.0% |
| Iron (Fe) | < 0.003% |
| Lead (Pb) | < 0.0002% |
| Water Insoluble Matter | < 0.002% |
| Sulphide (as Na2S) | < 0.003% |
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