Aldehyde C-8
Aroma Chemical Top Note CAS 124-13-0
Sharp lemon and orange peel with a fatty, metallic aldehydic character. A powerful top note booster for citrus and aldehydic floral accords.
Odor profile
| Note | Top Note |
| Descriptor 1 | Aldehydic |
| Descriptor 2 | Orange |
| Descriptor 3 | Green |
| Odor Impact1 | 1000 |
| Tenacity1 | 3 h |
| Tenacity2 | 7 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 | 124-13-0 |
| INCI Name | Octanal |
| Category | Aroma Chemical |
| Formula | C8H16O |
| Mol. Weight | 128.21 |
| IUPAC Name | octanal |
| InChIKey | NUJGJRNETVAIRJ-UHFFFAOYSA-N |
Synonyms
Octanal, Capryl Aldehyde, Caprylic aldehyde, Octylaldehyde, Octyl aldehyde, nat. aldehyde C-8, aldehyde C-8 FCC, aldehyde C-8 natural, aldehyde C-8, 50%, natural, aldehyde C8, antifoam LF, antifoam-LF, kaprylaldehyd, octaldehyde, 1-octaldehyde, N-octaldehyde, N-octanal, octanal (aldehyde C-8), octanal (Aldehyde C8), octanal (orange C8 ald) natural, octanal 50% ex grapefruit natural, octanal 50% ex orange natural, octanal 50% in orange oil natural, octanal 90% ex grapefruit natural, octanal 90% ex orange natural, octanal 90% natural citrustt, octanal natural, octanaldehyde, octanoic aldehyde, N-octyl aldehyde, N-octylal, 1-octylaldehyde, oktanal, oktylaldehyd, aldehyde C-8 fraction ex orange redistilled
Physical and chemical data
| Boiling Point | 171.0 °C |
| Melting Point | -23.0 °C |
| Flash Point | 51.7 °C |
| Density | 0.8211 |
| Refractive Index | 1.4217 |
| Vapor Pressure | 1.18 [mmHg] |
| LogP | 2.7 |
| Solubility | In water, 5.6X10+2 mg/L at 25 °C |
| Appearance | N-octylaldehyde is a colorless liquids with a strong fruity odor. Less dense than water and insoluble in water. Flash points 125 °F. Used in making perfumes and flavorings. |
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.