Hydrogen Sulfide
H₂S·34.081 g/mol·Inorganic·CID 402
⚠ ToxicVolcanic
A toxic gas with a characteristic rotten-egg odor detectable at parts-per-billion concentrations. Has a bent geometry like water but much weaker hydrogen bonding.
IUPAC: sulfane
Also known as: Hydrosulfuric acid, Dihydrogen sulfide, Dihydrogen monosulfide, Stink DAMP, Sulfur hydride (+14 more)
Molecular Structure
Molecular Propertiesmass · H-bonds · stereo
Molecular Weight
34.080g/mol
Exact Mass
33.987721Da
Monoisotopic Mass
33.987721Da
XLogP
0.5
Polar Surface Area
1.0Ų
Complexity
0
Formal Charge
0
H-Bond Donors
1
H-Bond Acceptors
1
Rotatable Bonds
0
Heavy Atoms
1
Stereo Centers
0
Bond Stereo
0
Drug-Likeness (Lipinski's Rule of Five)
✓ 34.1 g/mol
MW ≤ 500
✓ 0.5
LogP ≤ 5
✓ 1
H-bond donors ≤ 5
✓ 1
H-bond acceptors ≤ 10
Passes all rules — good oral bioavailability predicted
GHS Hazard Classification
Danger
Hazards
H220Extremely flammable gasH330Fatal if inhaledH400Very toxic to aquatic lifeH280Contains gas under pressure; may explode if heatedH319Causes serious eye irritationH370Causes damage to organs
Source: PubChem GHS Classification. Always consult the SDS for handling.