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  7. Potassium metabisulfite, 97%, extra pure

Potassium metabisulfite, 97%, extra pure

Catalog No. ac418270025
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Quantity:
2.5 kg
25 g
500 g
Packaging:
Glass bottle
Plastic bottle
Catalog No. Quantity Packaging
AC418270025 2.5 kg Plastic bottle
AC418270250 25 g Glass bottle
AC418275000 500 g Glass bottle
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Catalog No. AC418270025

Supplier: Thermo Scientific Chemicals 418270025

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Description

CAS: 16731-55-8 | K2O5S2 | 222.31 g/mol

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Reduction reagent

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 150.0°C
Color White to Yellow
Physical Form Fine Crystalline Powder
Quantity 2.5 kg
Assay Percent Range 96% min. (Iodimetry)
Linear Formula K2S2O5
Merck Index 15, 7766
Solubility Information Solubility in water: 45g/L (20°C). Other solubilities: insoluble in ethanol
Formula Weight 222.33
Percent Purity 97%
Grade Extra Pure
Packaging Plastic bottle
Chemical Name or Material Potassium metabisulfite, 97%
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Safety and Handling

Hazard Category GHS Signal Word: Danger
Hazard Statement GHS H Statement
Causes serious eye damage.
Contact with acids liberates toxic gas.
Precautionary Statement GHS P Statement
IF IN EYES: Rinse cautiously with water for several minutes.
Remove contact lenses,if present and easy to do.
Continue rinsing.
Immediately call a POISON CENTER or doctor/physician.
EINECSNumber 240-795-3
RTECSNumber TT4920000
TSCA TSCA

RUO – Research Use Only