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  7. Potassium metabisulfite, 95+%, Thermo Scientific Chemicals

Potassium metabisulfite, 95+%, Thermo Scientific Chemicals

Product Code. 11334958
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Quantity:
100 g
500 g
2 kg
This item is not returnable. View return policy
This item is not returnable. View return policy

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.

TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 16731-55-8
Molecular Formula K2O5S2
Molecular Weight (g/mol) 222.31
MDL Number MFCD00167605
InChI Key RWPGFSMJFRPDDP-UHFFFAOYSA-L
Synonym potassium metabisulfite, potassium disulfite, potassium pyrosulfite, dipotassium disulfite, dipotassium pyrosulfite, dipotassium metabisulfite, dipotassium disulphite, unii-65oe787q7w, ccris 1427, potassium disulfite k2s2o5
PubChem CID 28019
IUPAC Name dipotassium sulfinatosulfonate
SMILES [K+].[K+].[O-]S(=O)S([O-])(=O)=O

Specifications

Melting Point 190°C (decomposition)
Color White
Physical Form Powder
Quantity 2 kg
Assay Percent Range >99%
Solubility Information Soluble in water. Insoluble in ethanol.
Formula Weight 222.32
Odor Pungent
Sensitivity Air Sensitive
Chemical Name or Material Potassium metabisulfite

RUO – Research Use Only

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