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L-Arginine (Base) CAS:74-79-3 << BACK
ItemLimit
AppearanceWhite crystals or crystalline powder
Specific Rotation [20/D]+26.9° to +27.9°(C=8 in 6N HCl)
State of Solution (Transmittance) Clear and colorless not less than 98.0%
Chloride (Cl) Not more than 0.020%
Ammonium (NH4) Not more than 0.02%
Sulfate (SO4) Not more than 0.020%
Iron (Fe) Not more than 10 PPM
Heavy Metals (Pb) Not more than 10 PPM
Arsenic (As2O3)Not more than 1PPM
Other Amino Acids Conforms
Loss on DryingNot more than 0.50%
Residue on Ignition (Sulfated)Not more than 0.10%
Assay 98.5% to 101.0%
pH10.5 to 12.0

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