Article · Wikipedia archive · Last revised Jun 20, 2026

Hydroxycitronellal

Hydroxycitronellal (7-hydroxy-3,7-dimethyloctanal) is an odorant used in perfumery. Its molecular formula is C10H20O2.

Last revised
Jun 20, 2026
Read time
≈ 1 min
Length
197 w
Citations
5
Source
Wikipedia ↗
Hydroxycitronellal
source ↗
Names
IUPAC name
7-Hydroxy-3,7-dimethyloctanal
Other names
7-Hydroxycitronellal
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
DrugBank
ECHA InfoCard 100.003.199
EC Number
  • 203-518-7
UNII
  • InChI=1S/C10H20O2/c1-9(6-8-11)5-4-7-10(2,3)12/h8-9,12H,4-7H2,1-3H3
    Key: WPFVBOQKRVRMJB-UHFFFAOYSA-N
  • CC(CCCC(C)(C)O)CC=O
Properties
C10H20O2
Molar mass 172.268 g·mol−1
Density 0.922 g/cm3
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Hydroxycitronellal (7-hydroxy-3,7-dimethyloctanal) is an odorant used in perfumery.1 Its molecular formula is C10H20O2.234

It derives from a citronellal. 7-Hydroxy-3, 7-dimethyloctanal, also known as 3, 7-dimethyl-7-hydroxyoctan-1-al or 7-hydroxycitronellal, belongs to the class of organic compounds known as medium-chain aldehydes.

It has a sweet floral, lily, sweet, green, waxy, tropical, and slight melon and citrus undertones.5

See also

See also

References

References

  1. Howard, G.; Butler, H.; Jouhar, A.J.; Poucher, W.A. (1991). Poucher's Perfumes, Cosmetics and Soaps : Volume 1: The Raw Materials of Perfumery (9 ed.). Springer Netherlands. p. 183. doi:10.1007/978-94-010-9672-0. ISBN 9789401096720.
  2. "Octanal, 7-hydroxy-3,7-dimethyl-". webbook.nist.gov. Retrieved 2015-12-30.
  3. "Hydroxycitronellal | C10H20O2 - PubChem". pubchem.ncbi.nlm.nih.gov. Retrieved 2015-12-30.
  4. "Compound Report Card". www.ebi.ac.uk. Retrieved 2015-12-30.
  5. "Hydroxycitronellal". Scents and Flavors.