Food safety and quality: details

Flavouring	L-Isoleucine
Synonym(s)	(2S,3S)-alpha-amino-beta-merthyl n-valeric acid
Latest JECFA evaluation	2012 (Session 76)
Status of specification	Full
Information required
Chemical name	(2S,3S)-2-Amino-3-methylpentanoic acid
JECFA number	2118
CAS number	73-32-5
FEMA number	4675
COE number
FLAVIS number
Molecular weight	131.17
Chemical formula	C6H13NO2
Physical form/odour	White to off-white powder; Sweet aroma
Solubility	Soluble in 0.26 mM phosphate buffer pH 7.1; soluble in propylene glycol
Solubility in ethanol	Soluble
Boiling point (°C)	NA
Assay min %	99%
Acid value max
Refractive index	NA
Specific gravity	NA
Other requirements	m.p. >260° (decomposition)
ID Test	IR
Spectrum