sulfurous acid

H2O3S — CID 1100

IUPACsulfurous acid
SMILESO=S(O)O
InChIInChI=1S/H2O3S/c1-4(2)3/h(H2,1,2,3)
InChIKeyLSNNMFCWUKXFEE-UHFFFAOYSA-N
MW82.08 g/mol
LogP-0.32
Rot. Bonds

About sulfurous acid

sulfurous acid (PubChem CID 1100) has the molecular formula H2O3S and a molecular weight of 82.08 g/mol. Its IUPAC name is sulfurous acid.

Molecular Properties

Compound Namesulfurous acid
PubChem CID1100
Molecular FormulaH2O3S
Molecular Weight82.08 g/mol
Exact Mass81.97
IUPAC Namesulfurous acid
SMILESO=S(O)O
InChIInChI=1S/H2O3S/c1-4(2)3/h(H2,1,2,3)
InChIKeyLSNNMFCWUKXFEE-UHFFFAOYSA-N
XLogP-0.32
TPSA57.53 Ų
H-Bond Donors2
H-Bond Acceptors1
Rotatable Bonds
Heavy Atoms4
Complexity—

Lipinski Rule of Five

Passes Rule of Five

RuleValue
MW ≤ 50082.08
LogP ≤ 5-0.32
H-Bond Donors ≤ 52
H-Bond Acceptors ≤ 101

Computed Properties (RDKit)

Structural Alerts{'alert_name': 'sulfinic_acid', 'substructure': 'N/A'}

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Related Compounds

Sodium Bisulfite
CID 23665763
Bisulfite
CID 104748
Potassium Bisulfite
CID 23663620
Thiosulfuric acid
CID 24478
Thiosulfate
CID 439208
CID 18352384
CID 18352384
Hydron;hydroxy-oxido-oxo-sulfanylidene-lambda6-sulfane
CID 172997135
Sulfonic acid hydrate
CID 19805598
Sulfonic acid monohydrochloride
CID 20537953
Sulfonyloxidanium
CID 20632473
Lithiumhydrogensulfit
CID 23678579
CID 24187194
CID 24187194

Frequently Asked Questions

What is the IUPAC name of sulfurous acid?
The IUPAC name of sulfurous acid (CID 1100) is sulfurous acid.
What is the SMILES notation for sulfurous acid?
The canonical SMILES for sulfurous acid is O=S(O)O.
What is the InChIKey of sulfurous acid?
The InChIKey is LSNNMFCWUKXFEE-UHFFFAOYSA-N. The full InChI is InChI=1S/H2O3S/c1-4(2)3/h(H2,1,2,3).
What are the key properties of sulfurous acid?
sulfurous acid has a molecular weight of 82.08 g/mol, XLogP of -0.32, 0 rotatable bonds, 2 hydrogen bond donors, and 1 hydrogen bond acceptors.
Where does this data come from?
All data for sulfurous acid is sourced from PubChem (CID 1100), the world's largest open chemistry database maintained by the National Library of Medicine (NIH).