3,7-Dimethyl-1-octanol

3,7-Dimethyl-1-octanol
Names
	IUPAC name 3,7-Dimethyl-1-octanol
	Other names Tetrahydrogeraniol; Dihydrocitronellol; Dimethyl octanol;
Identifiers
CAS Number	106-21-8;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:195928;
ChEMBL	ChEMBL3181881;
ChemSpider	7504;
ECHA InfoCard	100.003.068
EC Number	203-374-5;
PubChem CID	7792;
UNII	DPY9K1927C;
CompTox Dashboard (EPA)	DTXSID5044360 ;
	InChI InChI=1S/C10H22O/c1-9(2)5-4-6-10(3)7-8-11/h9-11H,4-8H2,1-3H3 Key: PRNCMAKCNVRZFX-UHFFFAOYSA-N;
	SMILES CC(C)CCCC(C)CCO;
Properties
Chemical formula	C10H22O
Molar mass	158.285 g·mol−1
Density	0.828 g/cm3
Boiling point	212 °C (414 °F; 485 K)
Solubility in water	practically insoluble
Solubility	soluble in most fixed oils and propylene glycol; insoluble in glycerol
Solubility in ethanol	1 mL in 3 mL 70% alcohol
Refractive index (nD)	1.435-1.445
Hazards
	GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H315, H319, H411
Precautionary statements	P264, P264+P265, P273, P280, P302+P352, P305+P351+P338, P321, P332+P317, P337+P317, P362+P364, P391, P501
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

3,7-Dimethyl-1-octanol is a synthetically made and naturally occurring organic compound from the group of alcohols. 3,7-Dimethyl-1-octanol occurs naturally in citrus oils, honey, and rice (Oryza sativa).^[3]^[4]

Properties

3,7-Dimethyl-1-octanol is a combustible, poorly flammable, colorless liquid with a floral odor that is practically insoluble in water.^[1]

3,7-Dimethyl-1-octanol can be obtained by hydrogenation of geraniol, citronellol, or citronellal.^[5]

3,7-Dimethyl-1-octanol is used as a fragrance and as an antimicrobial agent.^[6]

1 2 Record of 3,7-Dimethyloctan-1-ol in the GESTIS Substance Database of the Institute for Occupational Safety and Health, accessed on 2023-02-08.
1 2 3 4 PubChem. "3,7-Dimethyl-1-octanol". pubchem.ncbi.nlm.nih.gov. Retrieved 2026-09-16.
↑ George A. Burdock (1997). Encyclopedia of Food and Color Additives. CRC Press. p. 3052. ISBN 978-0-8493-9412-6.
↑ Api, A.M.; Belsito, D.; Botelho, D.; Browne, D.; Bruze, M.; Burton, G.A.; Buschmann, J.; Dagli, M.L.; Date, M.; Dekant, W.; Deodhar, C.; Fryer, A.D.; Joshi, K.; La Cava, S.; Lapczynski, A. (December 2017). "RIFM fragrance ingredient safety assessment, 3,7-dimethyl-1-octanol, CAS Registry Number 106-21-8". Food and Chemical Toxicology. 110: S412–S420. doi:10.1016/j.fct.2017.07.039. PMID 28743523.
↑ George A. Burdock (1997). Encyclopedia of Food and Color Additives. CRC Press. p. 3052. ISBN 978-0-8493-9412-6.
↑ DE application 4008307, Udo Hoppe et al., "Verwendung von 3,7-Dimethyloctan-1-ol als antimikrobieller Wirkstoff sowie als wirksames Prinzip in antimikrobiell wirksamen kosmetischen und dermatologischen Zubereitungen", published 1991-09-19, assigned to Beiersdorf AG