Acetylpyrazine
Aroma Chemical Heart Note CAS 22047-25-2
Warm, roasted and nutty with a buttery popcorn character and a soft praline, toasted facet. Extremely powerful, a trace adds a baked, gourmand richness to nutty and chocolate accords.
Odor profile
| Note | Heart Note |
| Descriptor 1 | Gourmand |
| Descriptor 2 | Buttery |
| Descriptor 3 | Popcorn |
| Odor Impact1 | 2000 |
| Tenacity1 | 6 h |
| Tenacity2 | 400 h |
1 Source: PerfumersWorld
2 Source: The Good Scents Company
Both tenacity figures are blotter life. The two labs use different evaluation protocols, so the numbers are not directly comparable — read them as two independent readings, not as a contradiction.
Identification
| CAS Number | 22047-25-2 |
| INCI Name | Methyl pyrazinyl ketone |
| Category | Aroma Chemical |
| Formula | C6H6N2O |
| Mol. Weight | 122.12 |
| IUPAC Name | 1-pyrazin-2-ylethanone |
| InChIKey | DBZAKQWXICEWNW-UHFFFAOYSA-N |
Synonyms
2-Acetyl pyrazine, 2-Acetylpyrazine, Ethanone, 1-pyrazinyl-, 1-(pyrazin-2-yl)ethan-1-one, 1-pyrazin-2-ylethanone, 1-Pyrazinylethanone, Pyrazin-1-ylethan-1-one, Ethanone, l-pyrazinyl-, Gr391ibu5c, Methyl pyrazinyl ketone, 1-(pyrazin-2-yl)ethanone, acetyl pyrazine, 2-acetyl pyrazine FCC, acetyl-2 pyrazine, 2 acetylpyrazine, 2-acetylpyrazine FCC, ethanone, 1-(2-pyrazinyl)-, ketone, methyl pyrazinyl, methyl 2-pyrazinyl ketone, methyl pyrazin-2-yl ketone, methyl-2-pyrazinyl ketone, methylpyrazinyl ketone, popcorn pyrazine, 1-pyrazin-2-yl-ethanone, 1-( pyrazin-2-yl)ethan-1-one, 1-( pyrazin-2-yl)ethanone, 1-pyrazin-2-ylethan-1-one, pyrazine, 2- acetyl, pyrazine, 2-acetyl-
Physical and chemical data
| Boiling Point | 188.00 °C |
| Melting Point | 76.0 °C |
| Vapor Pressure | 0.188000 mmHg @ 25.00 C. |
| LogP | 0.2 |
| Solubility | slightly soluble in water; soluble in organic solvents |
| Appearance | Solid |
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.