Food safety and quality: details

Flavouring	L-Proline
Synonym(s)	L-Pyrrolidiencarboxylic acid
Latest JECFA evaluation	2004 (Session 63)
Status of specification	Full
Information required
Chemical name	Pyrrolidene-2-carboxylic acid
JECFA number	1425
CAS number	147-85-3
FEMA number	3319
COE number
FLAVIS number	17.019
Molecular weight	115.13
Chemical formula	C5H9O2N
Physical form/odour	White crystals or crystalline powder; odourless
Solubility	Soluble in water; Insoluble in ether
Solubility in ethanol	Soluble
Boiling point (°C)
Assay min %	98%
Acid value max
Refractive index
Specific gravity
Other requirements	mp: 220-222°; Sp.rotation = -80 to -82° (20°)
ID Test	NMR
Spectrum