2,5,6-Trimethyl-4-Heptenal
Aroma Chemical Top Note CAS 82784-84-7
A fresh green note with a sweet melon character and a soft ozone facet. Watery and natural, it adds an airy green lift to compositions.
Odor profile
| Note | Top Note |
| Descriptor 1 | Green |
| Descriptor 2 | Ozonic |
| Descriptor 3 | Melon |
| Impact Level | Medium |
| Tenacity2 | 20 h |
2 Source: The Good Scents Company
Identification
| CAS Number | 82784-84-7 |
| Category | Aroma Chemical |
| Formula | C10H18O |
| Mol. Weight | 154.25 |
| IUPAC Name | 2,5,6-trimethylhept-4-enal |
| InChIKey | XHOFTJRCBBQRFB-UHFFFAOYSA-N |
Synonyms
greenal (Takasago), 4-heptenal, 2,5,6-trimethyl-, (E)-2,5,6-trimethyl hept-4-enal, 2,5,6-trimethyl hept-4-enal, 2,5,6-trimethyl-4-hepten-1-al, (E)-2,5,6-trimethylhept-4-enal, 2,5,6-trimethylhept-4-enal
Physical and chemical data
| Boiling Point | 77 °C @ 12 mmHg |
| Flash Point | 75.00 °C |
| Density | 0.83700 |
| Refractive Index | 1.43700 |
| Vapor Pressure | 0.258000 mmHg @ 25.00 C. (est) |
| LogP | 3.106 |
| Solubility | alcohol; water, very slightly; water, 81.08 mg/L @ 25 C (est) |
| 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.