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  7. Potassium Metabisulfite (Granular/NF/FCC), Fisher Chemical™

Potassium Metabisulfite (Granular/NF/FCC), Fisher Chemical™

Catalog No. P269500 Shop All Fisherbrand Products
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Quantity:
500 g
2.5 kg
Packaging:
Poly Bottle
2 product options available for selection
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Catalog No. Quantity Packaging
P269-500 500 g Poly Bottle
P269-212 2.5 kg Poly Bottle
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Catalog No. P269-500

Item Discontinued This item has been discontinued by the Fisher Scientific channel. Please to view product availability in your area.

This item is not returnable. View return policy

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°C
Color White
pH 3.5 to 4.5
Physical Form Powder/Solid
Quantity 500 g
Formula Weight 222.33
Percent Purity 51.8 to 57.5% (NF)
Grade FCC/NF
Identification Pass Test (FCC), Pass Test (FCC/NF), Pass Test (NF)
Packaging Poly Bottle
Chemical Name or Material Potassium Metabisulfite
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