Chemistry:Rhodinol

Rhodinol

Names
Preferred IUPAC name (3S)-3,7-Dimethyloct-7-en-1-ol
Other names α-Citronellol, 3,7-Dimethyl-(6- or 7-)octen-1-ol, 3,7-Dimethyl-7-octen-1-ol, 1-Citronellol
Identifiers
CAS Number	6812-78-8 Y
3D model (JSmol)	Interactive image
ChEMBL	ChEMBL3182701
ChemSpider	73319 N
EC Number	229-887-4 205-473-9
PubChem CID	81263
UNII	1V437W60X9 Y
SMILES C[C@H](CCO)CCCC(C)=C
Properties
Chemical formula	C10H20O
Molar mass	156.269 g·mol−1
Hazards
GHS pictograms
GHS Signal word	Danger
GHS hazard statements	H315, H317, H318, H319, H411
GHS precautionary statements	P261, P264, P272, P273, P280, P302+352, P305+351+338, P310, P321, P332+313, P333+313, P337+313, P362, P363, P391, P501
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

Tracking categories (test):

• SizeSet

Rhodinol is the chemical compound 3,7-dimethyloct-7-en-1-ol. As the (3S) isomer it is CAS 6812-78-8, and as the racemate it is CAS 141-25-3.

In the field of perfumery materials, the term may refer to L-citronellol, to mixtures comprising mostly L- or racemic citronellol and geraniol, or to mixtures comprising mostly racemic 3,7-dimethyloct-7-en-1-ol and racemic citronellol.

Two example synthetic Rhodinol products are Rhodinol 70, a racemic mixture comprising 40-60% 3,7-dimethyloct-7-en-1-ol and 40-60% citronellol, and Sigma-Aldrich Rhodinol, which consists of L-citronellol and geraniol.

Rhodinol is also provided in perfumery in natural grades as materials extracted from geranium or citronella, comprising principally citronellol and geraniol.

Rhodinol products are used in cosmetics and perfumery to impart flowery odors, particularly but not limited to being a component of rosy odor.

3,7-Dimethyloct-7-en-1-ol does not appear substantively in nature.

See also

• Citronellol
• Geraniol
• Perfume allergy