2,3-Diethyl-5-Methylpyrazine
Aroma Chemical Top Note CAS 18138-04-0
A roasted note with a nut skin and hazelnut character and a soft toasted potato facet. Earthy and musty, it adds a nutty depth in traces.
Odor profile
| Note | Top Note |
| Descriptor 1 | Gourmand |
| Descriptor 2 | Nutty |
| Descriptor 3 | Nutty |
| Tenacity2 | 4 h |
2 Source: The Good Scents Company
Identification
| CAS Number | 18138-04-0 |
| Category | Aroma Chemical |
| Formula | C9H14N2 |
| Mol. Weight | 150.22 |
| IUPAC Name | 2,3-diethyl-5-methylpyrazine |
| InChIKey | PSINWXIDJYEXLO-UHFFFAOYSA-N |
Synonyms
2,3-diethyl 5 methyl pyrazine, 2,3-diethyl-5-methyl pyrazine, 2,3-diethyl-5-methyl-1,4-diazine, methyl terrazome, 2-methyl-5,6-diethylpyrazine, pyrazine, 2,3-diethyl-5-methyl-
Physical and chemical data
| Boiling Point | 191.00 °C |
| Flash Point | 80.00 °C |
| Density | 0.94800 |
| Refractive Index | 1.49500 |
| Vapor Pressure | 0.515000 mmHg @ 25.00 C. (est) |
| LogP | 1.950 |
| Solubility | alcohol; water, 1636 mg/L @ 25 C (est); For experimental / research use only. |
| 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.