8185. Rhodinol

Nomenclature

CAS number: 6812-78-8
(3S)-3,7-Dimethyl-7-octen-1-ol; α-citronellol.
C10H20O; mol wt 156.27.
C 76.86%, H 12.90%, O 10.24%.

Description and references

Name that has been used to describe a group of related chemicals as well as a single chemical. The term, at times, was applied to what was considered the most important alcohol in geranium oil, 1-citronellol. See: Barbier, Bouveault, Ber. 29, 289 (1896). Prepn in pure form: Sutherland, J. Am. Chem. Soc. 73, 2385 (1951). Synthesis from cis-pinane: Rien"acker, Chimia 27, 97 (1973).

Chemical structure

Properties

Oily liquid, odor of rose. d420 0.8549. bp12 114-115°. nD20 1.4556. [α]D20 -2.88°. uv max: 186-189 nm (ε 9000). Very slightly sol in water, miscible with alcohol, ether.

Use

In perfumery. See also β-Citronellol.