Sulfurous acid

H₂O₃SCAS 7782-99-282.07 g/mol

Open in Covalent MOL file

Properties

Molecular formula: H₂O₃S
Molar mass: 82.07 g/mol
Exact mass: 81.9725 Da
Density: 1.02 g/mL (at 25 °C)
logP: -0.32Crippen estimate
Polar surface area: 57.5 Å²
H-bond donors / acceptors: 2 / 1
Rotatable bonds: 0

Hazards

Danger

H314 Causes severe skin burns and eye damage95.4% of notifiers
H318 Causes serious eye damage81.5% of notifiers
H332 Harmful if inhaled99.2% of notifiers

Aggregated from 130 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.

Precautionary statements

P260, P261, P264, P264+P265, P271, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P317, P321, P363, P405, P501

Identifiers

CAS number

7782-99-2

SMILES

O=S(O)O

InChIKey

LSNNMFCWUKXFEE-UHFFFAOYSA-N

InChI

InChI=1S/H2O3S/c1-4(2)3/h(H2,1,2,3)

Weigh it out

Type any one amount. The others follow from the molar mass and density.

Names and synonyms

2 names

Sulfur dioxide solution
Sulfurous acid (H2SO3)

Work with Sulfurous acid

Predict the NMR spectrum1H and 13C shifts with multiplicities Make a solutionWhat to weigh for any molarity and volume Check drug-likenessLipinski, Veber and lead-likeness Isotope patternExact mass and the mass spectrum pattern

Similar compounds

Ammonium bisulfite10192-30-075 % similar Ammonium sulfite10196-04-075 % similar Calcium bisulfite13780-03-550 % similar

Tanimoto similarity of circular fingerprints over the whole catalogue. All similar compounds

Elsewhere

PubChem CAS Common Chemistry NIST WebBook Wikipedia