| INCI Name | Octanal |
|---|---|
| Volatility | Top |
| Fragrance Notes | Aldehydic, Citrus |
| Uses | Citrus accords, fresh top notes, aldehydic lift |
| Physical State | Oily, mobile liquid |
| Colour | Colourless |
| Natural/Synthetic | Synthetic |
| Vegan Friendly | Yes |
Odour Profile
Fatty, waxy, citrus-peel, aldehydic, soapy, slightly green
Description/Scent?
Powerful, fresh, bright aliphatic aldehydic odor with a strong waxy-citrus peel character, green fatty nuances, and a distinctly oily, citrusy, soapy lift. It has a penetrating sharp top note reminiscent of orange peel, decanal-like wax, and clean laundry, with subtle coriander-like and metallic facets. In dilution, it becomes more elegant and sparkling, imparting diffusion, radiance, and a crisp aldehydic sheen to floral, citrus, and chypre accords. At higher concentration it can smell harsh, fatty, and slightly rancid-waxy, but when well dosed it adds vivid naturalistic freshness and a classic aldehydic signature.
Aldehyde C8 is octanal, an eight-carbon aliphatic aldehyde with formula C8H16O; it occurs naturally in trace amounts in citrus oils, fat-derived volatiles, and some fermented foods; it is readily oxidized to octanoic acid and reduced to 1-octanol, making it a versatile intermediate in organic synthesis; it can be produced industrially by hydroformylation of heptenes followed by separation, or by controlled oxidation of 1-octanol; like many low-molecular-weight aldehydes, it is highly reactive toward nucleophiles and can form acetals, imines, and Schiff bases; it is used as a building block in flavor, fragrance, and specialty chemical manufacture, not just as a direct odorant; in air, it can contribute to photochemical oxidation processes and is one of the volatile markers studied in atmospheric chemistry and food aroma analysis.
Detailed Specification
| CAS Number | 112-31-2 |
|---|---|
| EC Number | 204-688-9 |
| Chemical Name | Octanal |
| Chemical Class | Aliphatic Aldehyde |
| Formula | C12H24O |
| Flash Point | = 51 °C |