|
L-Valine
Chemical Name£º |
L-2-Amino-3-methylbutyric acid |
Structure Formula£º |
|
Molecular Formula£º |
C5H11NO2 |
Molecular Weight£º |
117.15 |
Cas No£º |
[72-18-4] |
Characteristics£º |
White crystals or crystalline powder |
Quality Standards£º |
USP24, FCCIV and etc. |
|
Item |
Specifications |
USP24 |
FCCIV |
Appearance |
White crystals or crystalline powder |
Assay,% |
98.5~101.5 |
98.5~101.5 |
Specific optical rotation |
+26.6¡ã~ +28.8 |
+26.6¡ã~ +29.0¡ã |
PH Value |
5.5~7.0 |
5.5~7.0 |
Loss on drying, % |
¡Ü0.3 |
¡Ü0.3 |
Residue on ignition, % |
¡Ü0.1 |
¡Ü0.1 |
Sulfate (as SO4), % |
¡Ü0.03 |
- - - |
Chloride (as Cl),% |
¡Ü0.05 |
- - - |
Heavy Metals (as Pb), % |
¡Ü0.0015 |
¡Ü0.002 |
Lead, % |
- - - |
¡Ü0.001 |
Iron, % |
¡Ü0.003 |
- - - |
Organic volatile impurities |
Meets the requirements |
- - - |
|
The Characteristics and Uses£º |
|
Package and Transport£º |
Cardboard drum double polyethylene bags inside (25kgs) |
Storage£º |
Cool, dry, dark in closed containers, recommended limit 2 year. |
|