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BuyersGuideChem
| BGC Id: | 950131551832 | |
| CAS No: | 7681-57-4 | |
| Synonyms: | disodium metabisulfite ; sodium pyrosulfit ; natrium metabisulfurosum ; fertisilo ; disodiumpyrosulphite ; disodium disulfite ; natriummetabisulfit ; disodium pyrosulfite ; sodium pyrosulphite ; sodium dissulfite ; disodium disulphite ; sodiummetabisufite ; sodium disulfite ; e223 ; sodium pyrosulfite ; sodium disulphite | |
| Molecular Formula: | 2Na.O5S2 | |
| Molecular Weight: | 190.10 | |
| EINECS: | 231-673-0 |
| Appearance | White or little yellow powder |
| Na2S2O5 | 96.5% min. |
| Iron (Fe) | ≤ 0.01% |
| Insolubles | ≤ 0.05% |
| Arsenic(As) | ≤ 0.0001 |
| NA2S2O5 | 96.5%MIN |
| SO2 | 65%MIN |
| IRON | 0.005%MAX |
| WATER INSOLUBLE MATTER | 0.05%MAX |
| HEAVY METALS AS PB |
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