Aldehyde C-9
Aroma Chemical Top Note CAS 124-19-6
Strong orange peel with a fatty, waxy aldehydic character and a soft rosy citrus facet. Used in traces, it boosts citrus and aldehydic floral top notes.
Odor profile
| Note | Top Note |
| Descriptor 1 | Aldehydic |
| Descriptor 2 | Sweet |
| Descriptor 3 | Orange |
| Odor Impact1 | 550 |
| Tenacity1 | 1.8 h |
| Tenacity2 | 276 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 | 124-19-6 |
| INCI Name | Nonanal |
| Category | Aroma Chemical |
| Formula | C9H18O |
| Mol. Weight | 142.24 |
| IUPAC Name | nonanal |
| InChIKey | GYHFUZHODSMOHU-UHFFFAOYSA-N |
Synonyms
Nonanal, Nonanoic Aldehyde, Nonyl aldehyde, Pelargonaldehyde, Nonoic Aldehyde, Pelargonic aldehyde, nonaldehyde, 1-nonaldehyde, N-nonaldehyde, 1-nonanal, N-nonanal, 1-nonyl aldehyde, N-nonyl aldehyde, nonylaldehyde, N-nonylaldehyde, nonylic aldehyde, pergonal, Aldehyde
Physical and chemical data
| Boiling Point | 192.2 °C |
| Melting Point | 62.8 °C |
| Flash Point | 83.3 °C |
| Density | 0.8264 |
| Refractive Index | 1.4273 |
| Vapor Pressure | 0.37 [mmHg] |
| LogP | 3.3 |
| Solubility | In water, 96 mg/L at 25 °C |
| Appearance | Nonanal is a clear brown liquid characterized by a rose-orange odor. Insoluble in water. Found in at least 20 essential oils, including rose and citrus oils and several species of pine oil. |
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.