γ-aminobutyric acid

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Synonyms:
4-Aminobutyric acid
4-aminobutanoic acid
Butanoic acid, 4-amino-
gamma-aminobutyric acid
 
Molecular Formula:  C4H9NO2
Molecular Weight: 103.12000

Appearance and properties: white to off-white solid
Density: 1.110 ± 0.06 g/cm3
Boiling point: 248ºC at 760 mmHg
Melting point: 195-204ºC
Flash point: 103.8ºC
Refractive index: 1.465
 
Stability: Stable under normal temperatures and pressures.
Storage conditions: Store at RT.
Uses: It can reduce blood ammonia and promote brain metabolism.

Items of Analysis Standard of Analysis Test Results
Appearance White crystal or crystalline powder Conforms
Taste Slightly bitter Conforms
Assay 99.0%-101.0% 99.7%
Transmittance ≥98.0% 98.0%
Chloride(Cl) ≤0.02% <0.02%
Ammonium(NH4 ≤0.02% <0.02%
Sulfate(SO4 ≤0.048% <0.048%
Iron(Fe) ≤30ppm <30ppm
Heavy metal ≤10ppm <10ppm
Arsenic ≤2ppm <2ppm
Other amino acids Not detected Not detected
Loss on drying ≤0.50% 0.16%
Residue on ignition ≤0.10% 0.04%
PH 7.0-8.0 7.35
Conclusion Conforms to Factory Standard


γ-aminobutyric acid


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