Product Details
Category
Antioxidant Cosmetic Chemicals
Synonyms
Potassium metabisulfite, Potassium pyrosulfite
Solubility
H2O: 0.1 M at 20 °C, clear, colorless
Storage
Store at 5°C to 30°C.
Application
Potassium disulfite has been used in a protocol for the modification of the polydimethylsiloxane (PDMS) polymer surfaces.
Product Description
Potassium disulfite (Potassium metabisulfite, PMB) is an inorganic salt with antimicrobial properties. It is a sulfiting agent that prevents browning of foods. Its genotoxic and cytotoxic effect has been assessed. PMB undergoes hydrolysis to form potassium bisulfite.
Molecular Weight (g/mol)
222.32
pH
2.5-4.5 (25℃, 0.1M in H2O)
InChI Key
RWPGFSMJFRPDDP-UHFFFAOYSA-L
SMILES
[K+].[K+].[O-]S(=O)S([O-])(=O)=O
InChI
1S/2K.H2O5S2/c;;1-6(2)7(3,4)5/h;;(H,1,2)(H,3,4,5)/q2*+1;/p-2
Safety Statements
26-36-39
Water Solubility
Soluble in water. Insoluble in ethanol.
Color
White to slightly yellow