2329. Citronellal

Nomenclature

CAS number: 106-23-0
3,7-Dimethyl-6-octenal.
C10H18O; mol wt 154.25.
C 77.87%, H 11.76%, O 10.37%.

Description and references

Chief constituent of citronella oil; also found in many other volatile oils, such as lemon, lemon grass, melissa: Tiemann, Ber. 32, 834 (1899); Spoon, Chem. Weekbl. 54, 236 (1958). Structure: Naves, Bull. Soc. Chim. Fr. 1951, 505; Eschinazi, J. Org. Chem. 26, 3072 (1961).

Chemical structure

Properties

Liquid. bp1 47°. nD20 1.4460. [α]D25 +11.50°. d 0.848-0.856. Soluble in alcohols; very slightly sol in water.

Derivative

α-citronellal.

Nomenclature

CAS number: 141-26-4
3,7-Dimethyl-7-octenal; rhodinal.

Properties

Liquid. bp1.4 51°. nD20 1.4410. [α]D20 +9.75°.

Use

In soap perfumes; insect repellent.