Food safety and quality: details

Flavouring	2-Propionylpyrroline
Synonym(s)	1-(3,4-Dihydro-2H-pyroll-5-yl)-1-propanone
Latest JECFA evaluation	2005 (Session 65)
Status of specification	Full
Information required
Chemical name	2-Propionyl-1-pyrroline
JECFA number	1605
CAS number	133447-37-7
FEMA number	4063
COE number
FLAVIS number
Molecular weight	125.17
Chemical formula	C7H11ON
Physical form/odour	Yellowish liquid; Fishy aroma
Solubility	Soluble in heptane, triacetin
Solubility in ethanol	Soluble
Boiling point (°C)	89-90° (1 mm Hg)
Assay min %	95%
Acid value max
Refractive index	1.446-1.452
Specific gravity	0.979-0.985
Other requirements	[Material is provided as a 1% solution in vegatable oil triglyceride]
ID Test	HNMR IR MS
Spectrum