Food safety and quality
| share

Online Edition: "Specifications for Flavourings"

Flavouring Dehydronootkatone
Synonym(s) 8,9-Didehydronootkatone
Latest JECFA evaluation 2008 (Session 69)
Status of specification Full
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