Ethyl 2-Mercaptopropionate
Aroma Chemical CAS 19788-49-9
A pungent sulfurous note with a meaty character and a soft green onion facet.
Odor profile
| Descriptor 1 | Sulfurous |
| Descriptor 2 | Green |
| Descriptor 3 | Onion |
Identification
| CAS Number | 19788-49-9 |
| Category | Aroma Chemical |
| Formula | C5H10O2S |
| Mol. Weight | 134.20 |
| IUPAC Name | ethyl 2-sulfanylpropanoate |
| InChIKey | LXXNWCFBZHKFPT-UHFFFAOYSA-N |
Synonyms
ethyl 2-mercaptopropanoate, ethyl 2-sulfanylpropanoate, ethyl alpha-mercaptopropionate, ethyl thiolactate, ethyl-2-mercaptopropionate, 2-mercaptopropanoic acid ethyl ester, 2-mercaptopropionic acid ethyl ester, propanoic acid, 2-mercapto-, ethyl ester, propionic acid, 2-mercapto-, ethyl ester
Physical and chemical data
| Boiling Point | 40 °C @ 1 mmHg |
| Flash Point | 58.33 °C |
| Density | 1.03300 |
| Refractive Index | 1.44400 |
| Vapor Pressure | 1.382000 mmHg @ 25.00 C. (est) |
| LogP | 1.488 |
| Solubility | alcohol; water, 7947 mg/L @ 25 C (est); stable in most media |
| Appearance | colorless 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.