Molecular properties
- Formula
- CH4S
- Molar mass
- 48.11 g·mol−1
- Exact mass
- 48.0034 Da
- 0
- 1
- 1
- 1.00 Ų
- 0.5 (PubChem computed XLogP3-AA descriptor)
- CAS
- 74-93-1
- PubChem CID
- 878
Molecule record
methanethiol
CH4S
48.11 g/mol
Interactions
- Polarity
- Often weakly polar or nonpolar unless other structural features dominate.
- Acid-base behavior
- Review ionizable groups and pKa data where available; ChemForge does not infer definitive acid-base state from identity alone.
- Intermolecular forces
- Assess dispersion, dipole interactions, hydrogen bonding, and ionic character from the functional groups shown.
Functional groups
Thiol
Physical properties
| Property | Value | Conditions | Source |
|---|---|---|---|
| Logp | 0.5 | PubChem computed XLogP3-AA descriptor | PubChem(link only) |
Common names and synonyms
- 200-822-1
- 2X8406WW9I
- 74-93-1
- CHEBI:16007
- DTXCID406382
- DTXSID5026382
- FEMA No. 2716
- METHYL MERCAPTAN
Show all 23 synonyms
- Mercaptan methylique
- Mercaptomethane
- Methaanthiol
- Methanthiol
- Methvtiolo
- Methyl sulfhydrate
- Methylmercaptaan
- Methylmercaptan
- Metilmercaptano
- RCRA waste number U153
- RefChem:156950
- Thiomethane
- Thiomethanol
- Thiomethyl alcohol
- methanethiolate
Structure identifiers
- Canonical SMILES
- CS
- Isomeric SMILES
- CS
- InChI
- InChI=1S/CH4S/c1-2/h2H,1H3
- InChIKey
- LSDPWZHWYPCBBB-UHFFFAOYSA-N
- PubChem CID
- 878
Spectroscopy
Tabs appear only for spectra stored with clear provenance.
No redistributable or simulated spectroscopy record is attached yet.
Simulated NMR
On-demand educational prediction for methanethiol; not experimental data.
Simulated EI mass spectrum
On-demand educational fragmentation for methanethiol; not experimental data.
Sources
Molecule identity
Retrieved 8/7/2026. Reuse status is summarized by the badge; open the source for full details.