NILE CHEMICALS |
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NILE CHEMICALS |
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SODIUM METABISULFITE |
SPECIFICATION SHEET |
| Code Number » | 5690 | |
| Synonym » | SODIUM PYROSULPHITE ; SODIUM META BI SULFITE | |
| CAS No. » | 7681-57-4 | |
| Molecular Formula » | Na2S2O5 | |
| Molecular Weight » | 190.11 | |
| Description » | WHITE CRYSTALLINE POWDER | |
| Specifications » | SOLUBILITY | VERY SOLUBLE IN WATER |
| ID | TO PASS TEST | |
| IRON | MAX. 0.002% | |
| HEAVY METALS | MAX. 0.002% | |
| CHLORIDE | MAX. 0.05% | |
| THIOSULPHATE | MAX. 0.05% | |
| ASSAY | 65.0-67.4% SO2 | |