L-Lysine-L-Glutamate

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