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                                                                  L(+)-Aspartic Acid


                                                                   CAS NO.:56-84-8

                                                                   Molecular formula:C4 H7 NO4
                                                                                    
                                                                   Molecular weight:133.10

                                                                   Molecular structure:

                                                                   Quality standard:FCCIV?USP26?AJI92?AJI97

                                                                  Item

                                                                  Standard

                                                                  Assay%

                                                                  98.5~101.5

                                                                  Transmittance%

                                                                  =98.0

                                                                  Specific rotation[a]D20

                                                                  +24.80~+25.80

                                                                  pH

                                                                  2.5~3.5

                                                                  Loss on drying%

                                                                  =0.20

                                                                  Residue on ignition%

                                                                  =0.10

                                                                  Chloride[CI-]%

                                                                  =0.02

                                                                  Sulfate[SO42-]%

                                                                  =0.03

                                                                  Arsenic[As]%

                                                                  =0.0001

                                                                  Heavy Metals[Pb]%

                                                                  =0.001

                                                                  Iron[Fe]%

                                                                  =0.001

                                                                  Ammonium salt[NH4+]%

                                                                  =0.05

                                                                  Other Amion Acids

                                                                  Without


                                                                   Main Function and Purpose:L-Aspartic acid is a kind of important natural amino acid. In medicine industry it is mainly used as heart disease medicine,liver function accelerant,ammonia antidote,fatigue eliminating medicament and one component of amino acid transfusion.It can be used as biologic and chemic reagent,culture medium and organic synthesized intermediate.

                                                                   

                                                                   
                                                                   
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