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.