Food safety and quality: details

Flavouring	L-Arginine
Synonym(s)	L-2-Aminoguanidinovaleric acid, (S)-2-Amino-5-guanidinovaleric acid
Latest JECFA evaluation	2004 (Session 63)
Status of specification	Full
Information required
Chemical name	L-Arginine
JECFA number	1438
CAS number	74-79-3
FEMA number	3819
COE number
FLAVIS number	17.003
Molecular weight	174.2
Chemical formula	C6H14O2N4
Physical form/odour	White crystals or crystalline powder; odourless
Solubility	Soluble in water; Insoluble in ether
Solubility in ethanol	Slightly soluble
Boiling point (°C)
Assay min %	98%
Acid value max
Refractive index
Specific gravity
Other requirements	mp: 222°; Sp rotation = +15 to +17° (20°, 6N HCl)
ID Test	MS
Spectrum