Food safety and quality: details

Flavouring	3-Methyl-2,4-nonedione
Synonym(s)	2,4-Nonanedione, 3-methyl-
Latest JECFA evaluation	2010 (Session 73)
Status of specification	Full
Information required
Chemical name	3-methylnonane-2,4-dione
JECFA number	2032
CAS number	113486-29-6
FEMA number	4057
COE number
FLAVIS number	07.184
Molecular weight	170.25
Chemical formula	C10H18O2
Physical form/odour	Colourless to yellowish liquid; Fruity aroma with vanilla top notes
Solubility	Soluble in hexane, diethylether; insoluble in water
Solubility in ethanol	Soluble
Boiling point (°C)	51-53° (1 mm Hg)
Assay min %	97%
Acid value max
Refractive index	1.448-1.454
Specific gravity	0.923-0.927
Other requirements
ID Test	CNMR HNMR IR MS
Spectrum