Sodium bisulfite

CAS Registry Number®

7631-90-5
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CAS Name

Sodium bisulfite

Molecular Formula

H2O3S.Na

Cite this Page

Sodium bisulfite.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/ChemicalDetail.aspx?ref=7631-90-5 (retrieved 2024-03-29) (CAS RN: 7631-90-5).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Density (1)

    1.48 g/cm³

Source(s)

  • (1) Hazardous Substances Data Bank data were obtained from the National Library of Medicine (US)

Other Names and Identifiers

InChI

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

InChIKey

InChIKey=UKTDQTGMXUHPIF-UHFFFAOYSA-N

SMILES

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

Canonical SMILES

[Na].O=S(O)O

Other Names for this Substance

  • Sulfurous acid, sodium salt (1:1)
  • Sulfurous acid, monosodium salt
  • Hydrogen sulfite sodium
  • Sodium acid sulfite
  • Sodium bisulfite

Deleted or Replaced CAS Registry Numbers

57414-01-4, 69098-86-8, 89830-27-3, 91829-63-9, 855427-07-5, 855924-73-1

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