Cedramber

Cedramber
Names
	IUPAC name (8α)-8-Methoxycedrane
	Other names octahydro-6-methoxy-3,6,8,8-tetramethyl-(3R,3aS,6R,7R,8aS)-1H-3a,7-Methanoazulene; Cedryl methyl ether; Methyl Cedryl Ether; (1S,2R,5S,7R,8R)-8-methoxy-2,6,6,8-tetramethyltricyclo[5.3.1.01,5]undecane;
Identifiers
CAS Number	67874-81-1;
3D model (JSmol)	Interactive image;
ChemSpider	9260942;
ECHA InfoCard	100.061.354
EC Number	267-510-5;
PubChem CID	11085796;
UNII	84S7T555CV;
CompTox Dashboard (EPA)	DTXSID90886996 ;
	InChI InChI=1S/C16H28O/c1-11-6-7-12-14(2,3)13-10-16(11,12)9-8-15(13,4)17-5/h11-13H,6-10H2,1-5H3/t11-,12+,13-,15-,16+/m1/s1 Key: HRGPYCVTDOECMG-RHBQXOTJSA-N;
	SMILES C[C@@H]1CC[C@@H]2[C@]13CC[C@@]([C@H](C3)C2(C)C)(C)OC;
Properties
Chemical formula	C16H28O
Molar mass	236.399 g/mol
Appearance	Colourless liquid
Odor	woody
Density	1.0±0.1 g/cm3
Boiling point	259 °C (498 °F; 532 K)
Vapor pressure	0.0±0.5 kPa (20 °C)
Refractive index (nD)	1.496 (10.5 °C)
Hazards
	GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H315, H317, H319, H332, H410
Precautionary statements	P261, P264, P264+P265, P271, P272, P273, P280, P302+P352, P304+P340, P305+P351+P338, P317, P321, P333+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

(8α)-8-Methoxycedrane (also called Cedramber) is a fragrance compound. According to International Flavors & Fragrances Inc., it has a woody, ambergris odor.

Preparation

Cedryl methyl ether can be prepared from cedrol. Cedrol reacts with sodium hydride to form the sodium salt, which can be methylated by dimethyl sulfate.

All endpoints were cleared in a safety assessment by the Research Institute for Fragrance Materials.

↑ "ChemSpider".
↑ "IFF".
↑ Zhu, Guangyong; Xiao, Zuobing (2022). "Flavors and Fragrances: Structure of Various Flavors with Food Ingredients". Flavors and Fragrances in Food Processing: Preparation and Characterization Methods. ACS Symposium Series. Vol. 1433. pp. 21–188. doi:10.1021/bk-2022-1433.ch002. ISBN 978-0-8412-9731-9.
↑ Api, A.M.; et al. (2026). "RIFM fragrance ingredient safety assessment, cedryl methyl ether, CAS Registry Number 67874-81-1". Food and Chemical Toxicology. 210 115973. doi:10.1016/j.fct.2026.115973. PMID 41628703.