hydrogen sulfide
H2S
Hydrogen sulfide has the molecular formula H2S and a molar mass of 34.08 g/mol, a melting point of -85.6 °C and a boiling point of -60.6 °C.
Properties
| Molecular formula | H2S |
|---|---|
| Molar mass | 34.08 g/mol |
| Exact (monoisotopic) mass | 33.98772 g/mol |
| Melting point | -85.56 °C |
| Boiling point | -60.56 °C |
| logP (octanol–water) | 0.5 |
| Topological polar surface area | 1 Ų |
| Hydrogen-bond donors / acceptors | 1 / 1 |
| Heavy atoms | 1 |
| InChIKey | RWSOTUBLDIXVET-UHFFFAOYSA-N |
| IUPAC name | sulfane |
Elemental composition
3 atoms across 2 elements, by mass.
| Element | Atoms | Percent by mass |
|---|---|---|
| Sulfur (S) | 1 | 94.08% |
| Hydrogen (H) | 2 | 5.92% |
Calculate with hydrogen sulfide
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Related compounds
Molar mass and elemental composition are computed from IUPAC 2021 conventional atomic weights. Formula, exact mass and the computed descriptors come from PubChem, which is US government work and in the public domain. Melting point, boiling point and density come from Wikidata under CC0. Properties with no figure shown are absent from those sources rather than zero.