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Potassium metabisulfite, 95+%
CAS: 16731-55-8 | K2O5S2 | 222.31 g/mol
Supplier: Thermo Scientific Chemicals 04390822
Description
It serves as a component of certain photographic developers and its solution is used in photographic fixing, in the textile industry for dyeing and cotton printing. It is utilized to precipitate gold from solution in aqua regia.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
Specifications
| Potassium metabisulfite | |
| White | |
| Powder | |
| >99% | |
| MFCD00167605 | |
| Soluble in water. Insoluble in ethanol. | |
| [K+].[K+].[O-]S(=O)S([O-])(=O)=O | |
| 222.31 | |
| 222.32 | |
| Air Sensitive |
| 190°C (decomposition) | |
| 16731-55-8 | |
| 100 g | |
| K2O5S2 | |
| potassium metabisulfite, potassium disulfite, potassium pyrosulfite, dipotassium disulfite, dipotassium pyrosulfite, dipotassium metabisulfite, dipotassium disulphite, unii-65oe787q7w, ccris 1427, potassium disulfite k2s2o5 | |
| RWPGFSMJFRPDDP-UHFFFAOYSA-L | |
| dipotassium sulfinatosulfonate | |
| 28019 | |
| Pungent |
Chemical Identifiers
| 16731-55-8 | |
| 222.31 | |
| RWPGFSMJFRPDDP-UHFFFAOYSA-L | |
| 28019 | |
| [K+].[K+].[O-]S(=O)S([O-])(=O)=O |
| K2O5S2 | |
| MFCD00167605 | |
| potassium metabisulfite, potassium disulfite, potassium pyrosulfite, dipotassium disulfite, dipotassium pyrosulfite, dipotassium metabisulfite, dipotassium disulphite, unii-65oe787q7w, ccris 1427, potassium disulfite k2s2o5 | |
| dipotassium sulfinatosulfonate |
Safety and Handling
P280-P305+P351+P338-P310
H318
EINECSNumber : 240-795-3
TSCA : Yes
Recommended Storage : Ambient temperatures; Store under Nitrogen
RUO – Research Use Only