L-Glutamine
CAS: 56-85-9
Assay (on dry matter):98.5% - 101.5%
Specific rotation:+6.3º-+7.3 º
Heavy metals:10ppm max
Residue on ignition:0.1% max
Loss on drying:0.3% max
Molecular Formula: C5H10N2O3
Molecular Weight: 146.15
Character: White crystalline powder with barely perceptile out and acid taste.
Solubility: soluble in hot water, slightly soluble in water, practically insoluble in ethanol、acetone、aether.