Hexyl cinnamaldehyde
 | |
| Names | |
|---|---|
| IUPAC name
(2E)-2-Benzylideneoctanal | |
| Other names
α-Hexyl cinnamaldehyde; 2-(Phenylmethylidene)octanal; alpha-hexyl cinnamaldehyde | |
| Identifiers | |
101-86-0  | |
| ChEBI | CHEBI:55365 |
| ChemSpider | 1267362 |
| Jmol interactive 3D | Image |
| PubChem | 1550884 |
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| Properties | |
| C15H20O | |
| Molar mass | 216.32 g·mol−1 |
| Density | 0.95 g/mL |
| Boiling point | 308 °C (586 °F; 581 K) |
| 2.75 mg/L[1] | |
| Related compounds | |
| Related alkyl aldehydes |
Isobutyraldehyde Lilial 2-Methylundecanal |
| Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
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| Infobox references | |
Hexyl cinnamaldehyde (hexyl cinnamal) is a common additive in perfume and cosmetic industry as aroma substance. It is found naturally in the essential oil of chamomile.
Synthesis
Hexyl cinnamaldehyde is typically produced via a crossed-aldol condensation reaction between octanal and benzaldehyde.
Properties
It is a pale yellow to yellow clear liquid to solid, which is nearly insoluble in water but soluble in oils. The commercial material often contains low levels of 2,6-di-tert-butyl-4-methoxyphenol as a stabilizer.
Safety
Hexyl cinnamaldehyde is known to cause contact allergies in some individuals but the rate of incidence is low, with patch tests indicating ~0.1% of people to be susceptible.[2][3]
References
- ↑ alpha-hexyl cinnamaldehyde, thegoodscentscompany.com
- ↑ Schnuch, Axel; Uter, Wolfgang; Geier, Johannes; Lessmann, Holger; Frosch, Peter J (2007). "Sensitization to 26 fragrances to be labelled according to current European regulation.". Contact Dermatitis 57 (1): 1–10. doi:10.1111/j.1600-0536.2007.01088.x. ISSN 0105-1873.
- ↑ Frosch, Peter J.; Pirker, Claudia; Rastogi, Suresh C.; Andersen, Klaus E.; Bruze, Magnus; Svedman, Cecilia; Goossens, An; White, Ian R.; Uter, Wolfgang; Arnau, Elena Gimenez; Lepoittevin, Jean-Pierre; Menne, Torkil; Johansen, Jeanne Duus (2005). "Patch testing with a new fragrance mix detects additional patients sensitive to perfumes and missed by the current fragrance mix". Contact Dermatitis 52 (4): 207–215. doi:10.1111/j.0105-1873.2005.00565.x. ISSN 0105-1873.
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