L-Lysine Base Alias: L-Hexine, L-Lysine, L-2,6-Diaminohexanoic Acid, L-Lysine Base English Name: L-Lysine CAS NO.: 56-87-1 Molecular Formula: C6H14N2O2 Molecular Weight: 146.19 Product Standard: In-house Control Standard Properties: Colorless needle-like crystals. Melting point 224-225°C (decomposes, turns black at 210°C). Highly soluble in water, very slightly soluble in alcohol, insoluble in ether. Uses: Lysine is one of the essential amino acids for the growth of humans and animals. It has important applications in infusions, nutritional pharmaceuticals, food, and feed additives.