γ-aminobutyric acid (GABA) γ-aminobutyric acid (GABA)

Create: 06/12/2016

Expired Date:	06/21/2018
Category:	Anhydrides [Chemical]
Message:	Chemical Name: 4 - aminobutyric acid Alias??: γ-aminobutyric acid, GABA, pipecolic acid. MF: C4H9NO2 MW: 103.1 CAS :56-12-2 Lobular crystallization (methanol - ether), needle-like crystals (water - ethanol), m.p. 202 ℃ (rapid heating decomposition). At 25 ℃ dissociation constant Ka3.7 × 10-11, Kb1.7 × 10-10. Soluble in water, slightly soluble in hot ethanol, insoluble in organic solvents. Decomposes to form at a temperature above the melting point of pyrrolidone and water. Appearance: white crystal or crystalline powder. White flake or needle-like crystals; slightly smelly, with deliquescence; easily soluble in water, slightly soluble in hot ethanol, insoluble in cold ethanol, ether and benzene; decomposition point of 202 ℃; LD50 (rat peritoneal) 5400mg / kg.







City:	Beijing Beijing[CN]
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