Food safety and quality: details

Flavouring	2,6,6-Trimethylcyclohex-2-ene-1,4-dione
Synonym(s)	keto-Isophorone
Latest JECFA evaluation	2008 (Session 69)
Status of specification	Full
Information required
Chemical name	2,6,6-Trimethyl-2-cyclohex-2-ene-1,4-dione
JECFA number	1857
CAS number	1125-21-9
FEMA number	3421
COE number	11200
FLAVIS number	07.109
Molecular weight	152.2
Chemical formula	C9H12O2
Physical form/odour	White to colourless solid; Woody, musty sweet, aroma
Solubility	Slightly soluble in water
Solubility in ethanol	Soluble
Boiling point (°C)	NA
Assay min %	98%
Acid value max
Refractive index	NA
Specific gravity	NA
Other requirements	m.p. = 23-28°
ID Test	NMR IR
Spectrum