L-Arginine Base   CAS NO：74-79-3

Chemical Name	L-Arginine Base
Molecular Structure
Molecular Formula	C6H14N4O2
Molecular Weight	174.2
Characteristics	White crystalling powder or white crystals
Packing	25㎏/drum，25㎏/carton
Quality  Standard	AJI92/USP28/EP5/FCCIV
Specification
Specific rotation[a]D20°	+26.9 to +27.9
State of solution	≥98.0%
Chloride(CL) Ammonium(NH4) Sulfate(SO4)	≤0.020% ≤0.02% ≤ 0.020%
Iron(Fe)	≤10PPm
Heavy metals(Pb)	≤10PPm
Other amino acids	Chromatographically  Not detectable
Arsenic(As2O3)	≤1PPm
Loss on drying	≤0.5%
Assay	99.0～101.0%
PH	10.5～12.0