Food safety and quality: details

Flavouring	beta-Caryophyllene oxide
Synonym(s)	Caryophyllene epoxide;Caryophyllene oxide
Latest JECFA evaluation	2020 (Session 89)
Status of specification	Full
Information required
Chemical name	4,5-Epoxy-4,12,12-trimethyl-8-methylene-bicyclo(8.2.0)dodecane
JECFA number	1575
CAS number	1139-30-6
FEMA number	4085
COE number
FLAVIS number	16.043
Molecular weight	220.35
Chemical formula	C15H24O
Physical form/odour	Colourless solid; Sweet fruity aroma
Solubility	Insoluble in water; Soluble in fat
Solubility in ethanol	Soluble
Boiling point (°C)
Assay min %	95% (sum of isomers)
Acid value max
Refractive index
Specific gravity
Other requirements	mp: 55-63°; Isomers: 84-89% (1R, 4R, 6R, 10S) (CAS No. 1139-30-6); 7-9% (1R, 4R, 6S, 10S) (CAS No. 60594-22-1); 0.3-2% (1R, 4S, 6S, 10S) (CAS No. 103475-43-0); 1-2% Humulene-1,2-epoxide (CAS No. 19888-34-7)
ID Test	HNMR MS
Spectrum