Back to Search

Molecule

Sodium Bisulfite

CAS: 7631-90-5 · H2NaO3S

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number
7631-90-5
Molecular Formula
H2NaO3S
Molecular Mass
105.07 g/mol

Identifiers

CAS Registry Number

7631-90-5

SMILES

O=S(O)O.[Na]

InChI Key

UKTDQTGMXUHPIF-UHFFFAOYSA-N

InChI

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

Names and Synonyms

  • Sodium Bisulfite Synonym
  • Sulfurous acid, sodium salt (1:1) Synonym
  • Sulfurous acid, monosodium salt Synonym
  • Hydrogen sulfite sodium Synonym
  • Sodium acid sulfite Synonym
  • Sodium bisulfite Synonym
  • Sodium bisulphite Synonym
  • Sodium hydrogen sulfite Synonym
  • Monosodium sulfite Synonym
  • Sodium bisulfite (NaHSO3) Synonym
  • FR-62 Synonym
  • Sodium sulfite (NaHSO3) Synonym
  • Hydrogen sodium sulfite Synonym
  • E 222 Synonym
  • HC 007 Synonym

All Properties

Comprehensive physical and chemical properties

Property Value Source
Molecular Mass 105.07 g/mol CAS Common Chemistry
105.06999999999998 g/mol RDKit
106.071 g/mol chempirical lib
Density 1.48 g/cm³ CAS Common Chemistry
1.48 g/cm3 CAS Common Chemistry
Wikipedia Url https://en.wikipedia.org/wiki/Sodium_bisulfite CAS Common Chemistry
Canonical SMILES [Na].O=S(O)O CAS Common Chemistry
InChI InChI=1S/Na.H2O3S/c;1-4(2)3/h;(H2,1,2,3) CAS Common Chemistry
InChI Key InChIKey=UKTDQTGMXUHPIF-UHFFFAOYSA-N CAS Common Chemistry
Name Sodium bisulfite CAS Common Chemistry
Heavy Atom Count 5 RDKit
Hydrogen Bond Acceptors 1 RDKit
Hydrogen Bond Donors 2 RDKit
Rotatable Bonds 0 RDKit
Aromatic Ring Count 0 RDKit
Topological Polar Surface Area 57.53 Ų RDKit
LogP -0.6997 RDKit
Molar Refractivity 19.154 cm³/mol RDKit
Ring Count 0 RDKit
Formal Charge 0 RDKit
Fraction Csp3 0.0 RDKit
Exact Mass 104.96223420400001 g/mol RDKit

Spectral Data

NMR, IR, and Mass spectral data

Predicting NMR spectra...
10 ppm 9 8 7 6 5 4 3 2 1 0 ppm
Shift (ppm) Multiplicity Integration Assignment

Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.

External Resources

Convert

Quick conversion

MW = 105.07 g/mol; density = 1.480 g/mL. Edit any field — others recompute live.

Recent Searches

Acetone
Ethanol
Navigate
esc Close