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

 

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