CAS No.: | 7681-57-4 |
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Formula: | 7681-57-4 |
EINECS: | 7681-57-4 |
Type: | Synthesis Material Intermediates |
Appearance: | Powder |
Quality: | Industrial |
Samples: |
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Customization: |
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Item | Specs |
Main Content (as Na2S2O5) | 97% Min. |
Sodium Metabisulfite (as SO2) | 65% Min. |
Iron (Fe) | 0.003% Max. |
Insoluble matter in water | 0.05% Max. |
PH | 4.0-4.6 |
Heavy metal (as Pb) | 0.0005% Max. |
Arsenic (As) | 0.0001% Max. |
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