Product Name: L-Lys-L-Glu CAS#: 5408-52-6 Synonyms: L-Lysine-L-Glutamate Dihydrate Molecular Formula: C11H23N3O6.2H2O Molecular Weight: 329.35 Manufacture time:2012-10-15 Batch No.:20121015 Testing time: 2012-10-17 Expiry time: 2014-10 Specifications(Reference standard:AJI 92) Item Standard Analysis data Appearance White crystals or crystalline powder Conforms Specific rotation[α]20/D (C=8 in 6N HCl) +27.5to +29.5 Degree 27.75Degree Chloride (Cl) Not more than 0.040% <0.04% Ammonium (NH4) Not more than 0.02% <0.02% Sulfate (SO4) Not more than 0.030% <0.03% Iron (Fe) Not more than 10ppm <10ppm Heavy metal(Pb) Not more than 10ppm <10ppm Arsenic(As2O3) Not more than 1ppm <1ppm Other Amino Acids Chromatographically Not detectable Conforms Loss on drying Not more than 11.4% 1.5% Residue on ignition(sulfated) Not more than 0.20% 0.1% Assay 98.0% to 102% 98.5% pH 6.0 to 7.5 7.2