Α-Santalol

α-Santalol
Names
	IUPAC name (Z)-5-(2,3-Dimethyltricyclol[2.2.1.02,6]hept-3-yl)-2-methylpent-2-en-1-ol
Identifiers
CAS Number	115-71-9 ;
3D model (JSmol)	Interactive image;
ChemSpider	16736011;
ECHA InfoCard	100.003.730
EC Number	204-102-8;
KEGG	C09719;
PubChem CID	5281531;
UNII	15X09F2755 ;
CompTox Dashboard (EPA)	DTXSID9051587 ;
	InChI InChI=1S/C15H24O/c1-10(9-16)5-4-6-14(2)11-7-12-13(8-11)15(12,14)3/h5,11-13,16H,4,6-9H2,1-3H3/b10-5- Key: PDEQKAVEYSOLJX-YHYXMXQVSA-N;
	SMILES C/C(CO)=C\CCC3(C)C1CC2C(C1)C23C;
Properties
Chemical formula	C15H24O
Molar mass	220.356 g·mol−1
Appearance	Liquid
Density	0.9770 g/cm3
Boiling point	166 °C (331 °F; 439 K)
Solubility in water	Practically insoluble
Solubility in ethanol	Soluble
Solubility in diethyl ether	Soluble
Chiral rotation ([α]D)	+10.3°
Refractive index (nD)	1.5017
Hazards
	GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H317
Precautionary statements	P261, P272, P280, P302+P352, P321, P333+P313, P363, P501
NFPA 704 (fire diamond)	0 1 0
Related compounds
Related terpenes	β-Santalol
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

α-Santalol (alpha-santalol) is an organic compound that is classified as a sesquiterpene. It comprises about 55% of the oil of sandalwood, another less abundant component being β-santalol. As of 2002, about 60 tons of sandalwood oil are produced annually by steam distillation of the heartwood of Santalum album. It is a valued component for perfumes.

Because of concerns about the sustainability of sandalwood tree cultivation, scientists have developed routes to α-santalol and β-santalol via fermentation, including using Rhodobacter sphaeroides. BASF launched its version under their Isobionics brand in July 2020.

The oil content varies greatly within the different sandalwood species. This level is typically highest in S. album, S. paniculatum and S. yasi. The scent profile also changes considerably between the different species' oils.