English name: L-2-Amino-3,3-dimethylbutanoic acid
Alias: L-valine,3-methyl; L-tert-Leucine; 2-amino-3,3-dimethyl-butanoic acid; 2-Amino-3,3-dimethylbutanoic acid; 3-Methyl-l-valine; D-t-Butylglycine; D-tert-Leucine; NSC203785; 3-methylvaline[1] 
CAS: 20859-02-3    
Molecular formula: C₆H₁₃NO₂ 
Molecular weight: 131.1729 
Structural formula: 

Appearance: white or almost white crystal powder 
Melting point: 300 °C 
Specific optical rotation: 6.3 º (c=4, 6 N HCl 200 ºC) 
Refractive index: -9 ° (C=3, H2O)
Storage: Store at RT. 
Solubility: 1 M HCl: 50 mg/mL 
Water solubility: 125.5 g/L (20 ºC) 
To use: as nutrient supplements, feed addtive; also in synthesis of drugs