... :98.5% 2.Characteristics: White crystals or crystalline powder 3.Quality Standards: CP2010,USP32,EP5,AJI97,FCC4,BP 1.Assay:98 ... .5% 2.Characteristics: White crystals or crystalline powder 3.Quality Standards: CP2010,USP32,EP5,AJI97,FCC4,BPMolecular Formula:C4H7NO4 Molecular ... 0.001%ArsenicNot More Than 0.0001%Pyrogenup to specification L-Aspartic Acid