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Online Edition: "Specifications for Flavourings"

Flavouring Cyclohexanone diethyl ketal
Synonym(s) Cyclohexanone diethyl acetal;Rhumacetal
Latest JECFA evaluation 2010 (Session 73)
Status of specification Full
Chemical name 1,1-diethoxycyclohexane
JECFA number 2051
CAS number 1670-47-9
FEMA number 4516
COE number
FLAVIS number
Molecular weight 172.26
Chemical formula C10H20O2
Physical form/odour Colourless to pale yellow clear liquid; Fruity, liquor, rum, tobacco, woody aroma
Solubility Practically insoluble or insoluble in water
Solubility in ethanol Soluble
Boiling point (°C) 102-103° (45 mm Hg)
Assay min % 95%
Acid value max
Refractive index 1.432-1.442
Specific gravity 0.911-0.921 (20°)
Other requirements
ID Test MS