Product name: L-2-Aminobutyric acid
Structural formula:

Molecular formula:C₄H₉NO₂
Molecular weight: 103.12
CAS No.: 1492-24-6
EINECS No.: 216-083-3
Appearance: White or white-like crystal powder
Specific rotation: +19·S-+21·S  
Melting point: 298-304 ° C  
Loss on drying: ≤0.3%  
Chloride: ≤0.02%  
Ignition residue: ≤0.2%  
Heavy metal: ≤10ppm  
Content: ≥99%