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| verifiedrevid = 443858673 | verifiedrevid = 443858673
| Name = α-Hexylcinnamaldehyde
| ImageFile = Hexyl cinnamaldehyde.png | ImageFile = Hexyl cinnamaldehyde.png
| IUPACName = 2-Benzylideneoctanal | IUPACName = 2-Benzylideneoctanal
| OtherNames = α-Hexyl cinnamaldehyde; 2-(Phenylmethylidene)octanal; alpha-hexyl cinnamaldehyde | OtherNames = Hexyl cinnamal<br>2-(Phenylmethylidene)octanal
|Section1={{Chembox Identifiers |Section1={{Chembox Identifiers
| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}} | ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}
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'''Hexyl ]''' ('''hexyl cinnamal''') is a common additive in the ] and ] as ]. It is found naturally in the ] of ]. It is a pale yellow to yellow 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. '''α-Hexylcinnamaldehyde''' ('''hexyl cinnamal''') is a common additive in the ] and ] as ]. It is found naturally in the ] of ]. It is a pale yellow to yellow 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. It is a derivative of ] with a ] substituent.


One supplier reported that its hexyl cinnamaldehyde (or "hexyl cinnamic aldehyde") contained at least 90% ] isomer.<ref>{{cite web |title=Hexyl Cinnamic Aldehyde |url=http://www.iff.com/Ingredients.nsf/0/8A7C28F4050F32428025699300390223 |archive-url=https://web.archive.org/web/20100513221012/http://www.iff.com/Ingredients.nsf/0/8A7C28F4050F32428025699300390223 |archive-date=2010-05-13 |publisher=International Flavors & Fragrances Inc. |date=2010}}</ref> One supplier reported that its hexyl cinnamaldehyde (or "hexyl cinnamic aldehyde") contained at least 90% ] isomer.<ref>{{cite web |title=Hexyl Cinnamic Aldehyde |url=http://www.iff.com/Ingredients.nsf/0/8A7C28F4050F32428025699300390223 |archive-url=https://web.archive.org/web/20100513221012/http://www.iff.com/Ingredients.nsf/0/8A7C28F4050F32428025699300390223 |archive-date=2010-05-13 |publisher=International Flavors & Fragrances Inc. |date=2010}}</ref>

Latest revision as of 01:44, 26 September 2024

α-Hexylcinnamaldehyde
Names
IUPAC name 2-Benzylideneoctanal
Other names Hexyl cinnamal
2-(Phenylmethylidene)octanal
Identifiers
CAS Number
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.002.713 Edit this at Wikidata
PubChem CID
UNII
CompTox Dashboard (EPA)
InChI
  • InChI=1S/C15H20O/c1-2-3-4-6-11-15(13-16)12-14-9-7-5-8-10-14/h5,7-10,12-13H,2-4,6,11H2,1H3/b15-12+Key: GUUHFMWKWLOQMM-NTCAYCPXSA-N
  • InChI=1/C15H20O/c1-2-3-4-6-11-15(13-16)12-14-9-7-5-8-10-14/h5,7-10,12-13H,2-4,6,11H2,1H3/b15-12+Key: GUUHFMWKWLOQMM-NTCAYCPXBH
SMILES
  • O=C\C(=C\c1ccccc1)CCCCCC
Properties
Chemical formula C15H20O
Molar mass 216.324 g·mol
Density 0.95 g/mL
Boiling point 308 °C (586 °F; 581 K)
Solubility in water 2.75 mg/L
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 , 100 kPa). ☒N verify (what is  ?) Infobox references
Chemical compound

α-Hexylcinnamaldehyde (hexyl cinnamal) is a common additive in the perfume and cosmetic industry as aroma substance. It is found naturally in the essential oil of chamomile. It is a pale yellow to yellow 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. It is a derivative of cinnamaldehyde with a hexyl substituent.

One supplier reported that its hexyl cinnamaldehyde (or "hexyl cinnamic aldehyde") contained at least 90% trans isomer.

Synthesis

Hexyl cinnamaldehyde is typically produced via crossed-aldol condensation of octanal and benzaldehyde.

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.

References

  1. alpha-hexyl cinnamaldehyde, thegoodscentscompany.com
  2. "Hexyl Cinnamic Aldehyde". International Flavors & Fragrances Inc. 2010. Archived from the original on 2010-05-13.
  3. 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. PMID 17577350.
  4. 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. PMID 15859993. S2CID 20219911.
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