Appearance White crystals or crystalline powder conforms
Specific Rotation [20/D]
(C=1 in H2O) +22 º+ 1.5º +21.7º
Melting Point (¡æ) 100¡æ to 110¡æ 104¡æ
Loss on Drying Not more than 0.50% 0.30%
Purity Not less than 98.5% 99.0%
L-Glutamic acid diethyl ester hydrochloride