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

Potassium metabisulfite, 95+%, Thermo Scientific Chemicals

Catalog Number p-4824898
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Quantity:
100 g
500 g
2 kg
16731-55-8
K2O5S2
222.31
MFCD00167605
RWPGFSMJFRPDDP-UHFFFAOYSA-L
potassium metabisulfite, potassium disulfite, potassium pyrosulfite, dipotassium disulfite, dipotassium pyrosulfite, dipotassium metabisulfite, dipotassium disulphite, unii-65oe787q7w, ccris 1427, potassium disulfite k2s2o5
28019
dipotassium sulfinatosulfonate
[K+].[K+].[O-]S(=O)S([O-])(=O)=O
16731-55-8
K2O5S2
222.31
MFCD00167605
RWPGFSMJFRPDDP-UHFFFAOYSA-L
potassium metabisulfite, potassium disulfite, potassium pyrosulfite, dipotassium disulfite, dipotassium pyrosulfite, dipotassium metabisulfite, dipotassium disulphite, unii-65oe787q7w, ccris 1427, potassium disulfite k2s2o5
28019
dipotassium sulfinatosulfonate
[K+].[K+].[O-]S(=O)S([O-])(=O)=O

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
Melting Point 190°C (decomposition)
Color White
Physical Form Powder
Quantity 100 g
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

Safety and Handling

Hazard Category H318
Precautionary Statement P280-P305+P351+P338-P310
EINECSNumber 240-795-3
TSCA Yes
Recommended Storage Ambient temperatures; Store under Nitrogen
SDS

RUO – Research Use Only

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