4-Methyl-2-Phenyl-2-Pentenal
Aroma Chemical Heart Note CAS 26643-91-4
A sweet note with a cocoa and rose character and a soft powdery facet. Nutty and natural, it adds a gourmand floralcy to compositions.
Odor profile
| Note | Heart Note |
| Descriptor 1 | Gourmand |
| Descriptor 2 | Cocoa |
| Descriptor 3 | Nutty |
| Impact Level | Medium |
| Tenacity2 | 48 h |
2 Source: The Good Scents Company
Identification
| CAS Number | 26643-91-4 |
| INCI Name | 4-methyl-2-phenyl-2-pentenal |
| Category | Aroma Chemical |
| Formula | C12H14O |
| Mol. Weight | 174.24 |
| IUPAC Name | (Z)-4-methyl-2-phenylpent-2-enal |
| InChIKey | ULRYRAHIBWLZKC-XYOKQWHBSA-N |
Synonyms
benzeneacetaldehyde, a-(2-methylpropylidene)-, alpha-iso butylidene benzene acetaldehyde, alpha-iso butylidenebenzeneacetaldehyde, cocoa pentenal, eglantal, 4 methyl 2 phenyl 2 pentenal, alpha-(2-methyl propylidene) benzene acetaldehyde, 4-methyl-2-phenyl pent-2-enal, 4-methyl-2-phenyl-2-penten-1-al, 4-methyl-2-phenyl-4-pentenal, 4-methyl-2-phenylpent-2-enal, alpha-(2-methylpropylidene)benzeneacetaldehyde, 2-pentenal, 4-methyl-2-phenyl-
Physical and chemical data
| Boiling Point | 265.5 °C |
| Flash Point | 110.00 °C |
| Density | 0.97400 |
| Refractive Index | 1.53000 |
| Vapor Pressure | 0.010000 mmHg @ 20.00 C. |
| LogP | 3.554 |
| Solubility | alcohol; dipropylene glycol; water, 93.9 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.