4-Aminobutyric acid [ 56-12-2 ]

Purity: 98%, white sheet-shape or needle-like crystallization, Micro smelly, have ChaoXie sex; Easily soluble in water, soluble in hot ethanol, insoluble in cold ethanol, ethyl ether and benzene, Decomposition point for 202 ℃; LD50 (rats, celiac) 5400mg/kg. Can reduce blood ammonia, stimulative cerebra metabolism. Used in the treatment of various types of hepatic coma, also used for brain jailer sequela, cerebral arterial sclerosis, head trauma sequela and uremia, gas poisoning caused by the coma.