Chemical name: 4 - aminobutyric acid, alias: gamma-aminobutyric acid, butyric acid, ammonia piperidine acid.
English name: gamma aminobutyric acid (GABA)
Molecular type: C4H9NO2 points a quantity: 103.1216
Crystallization lobules (methanol - ether), needle crystal (water and ethanol), melting point 202 ℃ (decomposition) under rapid heating.At 25 ℃ when the dissociation constant Ka3.7 x 11, 10 ˉ ˉ Kb1.7 x 10 10.Soluble in water, slightly soluble in hot ethanol, insoluble in other organic solvents.Above the melting point temperature decomposition form pyrrolidone and water.Appearance: white or light yellow powder.