Food safety and quality: details

Flavouring	3,5-Dimethyl-1,2-cyclo-pentanedione
Synonym(s)
Latest JECFA evaluation	2000 (Session 55)
Status of specification	Full
Information required
Chemical name	3,5-Dimethylcyclo-pentane-1,2-dione
JECFA number	421
CAS number	13494-07-0
FEMA number	3269
COE number	2235
FLAVIS number
Molecular weight	126.16
Chemical formula	C7H10O2
Physical form/odour	light yellow to yellowish brown powder with a maple, burnt sugar odour
Solubility	insoluble in water
Solubility in ethanol
Boiling point (°C)
Assay min %	98%
Acid value max
Refractive index
Specific gravity	0.5 g/ml at 20°
Other requirements	Melting point 87-93°
ID Test	MS
Spectrum