2,3,5-Trimethylpyrazine
Aroma Chemical Top Note CAS 14667-55-1
A roasted nutty note with a nut skin and cocoa character and a soft baked potato facet. Earthy and natural, it adds a peanut hazelnut depth in traces.
Odor profile
| Note | Top Note |
| Descriptor 1 | Green |
| Descriptor 2 | Nutty |
| Descriptor 3 | Earthy |
| Tenacity2 | 21 h |
2 Source: The Good Scents Company
Identification
| CAS Number | 14667-55-1 |
| INCI Name | Trimethylpyrazine |
| Category | Aroma Chemical |
| Formula | C7H10N2 |
| Mol. Weight | 122.17 |
| IUPAC Name | 2,3,5-trimethylpyrazine |
| InChIKey | IAEGWXHKWJGQAZ-UHFFFAOYSA-N |
Synonyms
cocoa pyrazine base, potato pyrazine, pyrazine TMPK (2,3,5 trimethylpyrazines) pure, pyrazine, 2,3,5- trimethyl, pyrazine, 2,3,5-trimethyl natural, pyrazine, 2,3,5-trimethyl-, 2,3,5-tri methyl pyrazine, trimethyl 2,3,5 pyrazine natural, 2, 3, 5 trimethyl pyrazine, 2,3,5-trimethyl pyrazine, 2,3,5-trimethyl pyrazine FCC, trimethyl pyrazine natural, 2,3,5-trimethyl pyrazine natural, 2,3,5-trimethyl pyrazine, kosher, 2,3,5-trimethyl-1,4-diazine, trimethyl-2,3,5 pyrazine, trimethylpyrazine, 2,3,5-trimethylpyrazine nat, 2,3,5-trimethylpyrazine natural, natural, 2,3,5-trimethylpyrazine
Physical and chemical data
| Boiling Point | 171.00 °C |
| Flash Point | 54.44 °C |
| Density | 0.96500 |
| Refractive Index | 1.49000 |
| Vapor Pressure | 1.724000 mmHg @ 25.00 C. (est) |
| LogP | 0.950 |
| Solubility | alcohol; oils; water, 1.521e+004 mg/L @ 25 C (est) |
| 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.