Potassium sulfite

CAS Registry Number®

10117-38-1
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CAS Name

Potassium sulfite

Molecular Formula

H2O3S.2K

Cite this Page

Potassium sulfite.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/ChemicalDetail.aspx?ref=10117-38-1 (retrieved 2021-10-16) (CAS RN: 10117-38-1).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/2K.H2O3S/c;;1-4(2)3/h;;(H2,1,2,3)

InChIKey

InChIKey=VZFCSENEYWMUIK-UHFFFAOYSA-N

SMILES

S(=O)(O)O.[K]

Canonical SMILES

[K].O=S(O)O

Other Names for this Substance

  • Sulfurous acid, potassium salt (1:2)
  • Potassium sulfite (K2SO3)
  • Sulfurous acid, dipotassium salt
  • Dipotassium sulfite
  • Potassium sulfite

Deleted or Replaced CAS Registry Numbers

126048-06-4