Colorless or white glossy tabular crystal or white crystalline powder, slight special odor. Little bitter taste. Melting point: 280-281℃ (decompound). Unstable to strong acid, can cause the demethylation. Soluble in water (5.6g/100ml，30℃), warm diluted ethanol, alkali solution and diluted inorganic acid. Hard to dissolve in ethanol, almost does not dissolve in ether.
Main Products
amino acid,food additive,pharmaceutical intermediates.