Propanethiol
Aroma Chemical Top Note CAS 107-03-9
A pungent sulfurous note with a cabbage and onion character used in the smallest traces.
Odor profile
| Note | Top Note |
| Descriptor 1 | Green |
| Descriptor 2 | Sulfurous |
| Descriptor 3 | Cabbage |
| Tenacity2 | 8 h |
2 Source: The Good Scents Company
Identification
| CAS Number | 107-03-9 |
| Category | Aroma Chemical |
| Formula | C3H8S |
| Mol. Weight | 76.16 |
| IUPAC Name | propane-1-thiol |
| InChIKey | SUVIGLJNEAMWEG-UHFFFAOYSA-N |
Synonyms
mercaptan C3, 1-mercaptopropane, NPM, propane thiol, 1-propane thiol, propane-1-thiol, 1-propanethiol, N-propanethiol, propanethiol natural, 1-propyl mercaptan, N-propyl mercaptan, propyl mercaptan natural, propyl thiol, propylthiol, N-propylthiol, N-thiopropyl alcohol
Physical and chemical data
| Boiling Point | 67.00 °C |
| Melting Point | -113.00 °C |
| Density | 0.84200 |
| Refractive Index | 1.43600 |
| Vapor Pressure | 155.584000 mmHg @ 25.00 C. (est) |
| LogP | 1.810 |
| Solubility | alcohol; oils; propylene glycol |
| Appearance | colorless to pale yellow clear liquid |
All figures on this page are guide values collected from public reference works and supplier declarations. They differ between batches, origins and qualities. The data sheet of your own supplier is always the authoritative document for the material you actually use.