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Online Edition: "Specifications for Flavourings"

Flavouring Dihydronootkatone
Synonym(s) 1,10-Dihydronootkatone;4b,H,5a-Eremophil-11-en-2-one
Latest JECFA evaluation 2004 (Session 63)
Status of specification Full
Chemical name 1,2,6-Trimethyl-9-isopropylene-bicyclo(4,4,0)decan-4-one
JECFA number 1407
CAS number 20489-53-6
FEMA number 3776
COE number
FLAVIS number 07.153
Molecular weight 220.36
Chemical formula C15H24O
Physical form/odour Colourless liquid; Citrus like green aroma
Solubility Soluble in ethers, fats; Very slightly soluble in water
Solubility in ethanol Soluble
Boiling point (°C) 100-104° (0.07 mm Hg)
Assay min % 90%
Acid value max <1.0
Refractive index 1.502-1.508
Specific gravity 0.975-0.988
Other requirements SC: Nootkatone