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Online Edition: "Specifications for Flavourings"

Flavouring Nootkatone
Synonym(s) 4,4a,5,6,7,8-Hexahydro-6-iso-propenyl-4,4a-dimethyl-2(3H)-naphthalenone
Latest JECFA evaluation 2004 (Session 63)
Status of specification Full
Chemical name 4,4a,5,6,7,8-Hexahydro-4,4a-dimethyl-6-(1-methylene-ethyl)-2(3H)-naphthalenone
JECFA number 1398
CAS number 4674-50-4
FEMA number 3166
COE number
FLAVIS number 07.089
Molecular weight 218.35
Chemical formula C15H22O
Physical form/odour Colourless to pale yellow or orange coloured oily liquid; Powerful fruity sweet, citrusy, grapefruit peel oil like aroma
Solubility Soluble in oils; Slightly soluble in water
Solubility in ethanol Soluble
Boiling point (°C) 73-103° (0.8 mm Hg)
Assay min % 93%
Acid value max 3
Refractive index 1.510-1.523
Specific gravity 1.003-1.032
Other requirements SC: Dihydronootkatone