INTRODUCTION:
[Product]: L-VALINE
[Molecular formula]: C5H11NO2
[Molecular weight]: 117.15
[Descriptions]: L- VALINE is white crystal or crystalline powder, odorless, taste slightly sweet and then bitter, soluble in water, nearly insoluble in ethanol.
[Quality standard]: FCC IV,AJI 97,USP24, or at Buyer’s option.
Item  | FCC Ⅳ  | AJI97  | USP24  | 
Content  | 98.5~101.5%  | 98.5~101.0%  | 98.5~105.0%  | 
PH value  | 5.5~7.0  | 5.5~6.5  | 5.5~7.0  | 
Specific optical rotation  | +26.7o~+29.0  | +27.6o~ +28.7  | +26.6o~+28.8  | 
Transmittance  | --  | 98.0% MIN  | --  | 
Chloride  | --  | 0.020% MAX  | 0.05% MAX  | 
Ammonium salt  | --  | 0.02% MAX  | --  | 
Sulfate  | --  | 0.020% MAX  | 0.03% MAX  | 
Fe  | --  | 10ppm MAX  | 30ppm MAX  | 
Heavy metals  | 20ppm MAX  | 10ppm MAX  | 15ppm MAX  | 
As  | --  | 1ppm MAX  | 1.5ppm MAX  | 
Pb  | 10ppm MAX  | --  | --  | 
Other amino acids  | --  | 0.5% MAX  | --  | 
Loss on drying  | 0.3% MAX  | 0.20% MAX  | 0.3% MAX  | 
Residue on ignition  | 0.2% MAX  | 0.10% MAX  | 0.3% MAX  | 
[Packing]: Packing in craft paper bags or paperboard barrels of 25kg each. The packaging can also be customized.
[Transportation]:Handle with care, avoid damage on packaging. L-VALINE is non-hazardous chemical. Protect it from sunlight and rains. Keep away from poisonous and harmful substance in transit.
[Storage]:Store in cool, dry, clean and shading environment. Keep it away from poisonous and harmful substances to avoid pollution.