Food safety and quality: details

Flavouring	Dehydronootkatone
Synonym(s)	8,9-Didehydronootkatone
Latest JECFA evaluation	2008 (Session 69)
Status of specification	Full
Information required
Chemical name	[4R-(4alpha,4a alpha,6beta)]-4,4a,5,6-Tetrahydro-4,4a-dimethyl-6-(1-methylethenyl)-2(3H)-naphthalenone
JECFA number	1862
CAS number	5090-63-1
FEMA number	4091
COE number
FLAVIS number
Molecular weight	216.33
Chemical formula	C15H20O
Physical form/odour	Pale yellow to brown liquid; Fruity aroma with citrus undertone
Solubility	Practically insoluble or insoluble in water; soluble in non-polar solvents
Solubility in ethanol	Insoluble
Boiling point (°C)	129-130°
Assay min %	95%
Acid value max
Refractive index	1.559-1.569
Specific gravity	1.009-1.019
Other requirements
ID Test	HNMR
Spectrum