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Sodium Metabisulfite [Na2S2O5] [CAS_7681-57-4] FCC 97+% White / Slightly Yellow Powder (50 Lb Bag)
$ 205.00 $ 235.00
| Wintersun code: | 19-032 |
| CAS Number: | 7681-57-4 |
| Molecular Formula: | Na2S2O5 |
| Molecular Weight: | 190.1g/mol |
Applications
Reducing agent for chemical manufacturing. Preservative. Auxiliary for water treatment film and photographic industry. Bleaching agent. Ensiling agent.
Sales Specification
Na2S2O5 % 97.0 min
SO2 % 65, min
Iron (Fe) % 0.003max
Heavy Metals % 0.0005max
Arsenic % 0.0001max
Water Insoluble % 0.02max
PH value 4.0-4.8
Packing
50 lb bag
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