NILE CHEMICALS |
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 |