Sulfur Dioxide
SO₂·64.066 g/mol·Inorganic·CID 1119
PollutantIndustrial
A bent molecule with resonance bonding. Major air pollutant from fossil fuel combustion that causes acid rain. Also used as a preservative in winemaking and dried fruit processing.
IUPAC: sulfur dioxide
Also known as: sulphur dioxide, 7446-09-5, Sulfurous anhydride, Sulfurous oxide, Fermenicide liquid (+14 more)
Molecular Structure
Molecular Propertiesmass · H-bonds · stereo
Molecular Weight
64.070g/mol
Exact Mass
63.961900Da
Monoisotopic Mass
63.961900Da
XLogP
0.1
Polar Surface Area
35.1Ų
Complexity
18
Formal Charge
0
H-Bond Donors
0
H-Bond Acceptors
3
Rotatable Bonds
0
Heavy Atoms
3
Stereo Centers
0
Bond Stereo
0
Drug-Likeness (Lipinski's Rule of Five)
✓ 64.1 g/mol
MW ≤ 500
✓ 0.1
LogP ≤ 5
✓ 0
H-bond donors ≤ 5
✓ 3
H-bond acceptors ≤ 10
Passes all rules — good oral bioavailability predicted
GHS Hazard Classification
Danger
Hazards
H314Causes severe skin burns and eye damageH331Toxic if inhaledH370Causes damage to organsH280Contains gas under pressure; may explode if heatedH319Causes serious eye irritationH372Causes damage to organs through prolonged or repeated exposureH318Causes serious eye damage
Source: PubChem GHS Classification. Always consult the SDS for handling.