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.