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                                                          α-ketoglutaric acid

                                                          Product name: α-ketoglutaric acid

                                                          CAS No.: 328-50-7

                                                          Molecular formula: C5H6O5

                                                          Structural formula:

                                                          Quality index:

                                                          Item Index
                                                          Appearance white crystal or crystalline powder
                                                          Assay(%) ≥99.0
                                                          Melting point(ºC) 112-118
                                                          Transmissivity(%) ≥98.0(10%H2O)
                                                          Loss on Drying(%) ≤1.0
                                                          Residue on ignition(%) ≤0.2
                                                          Heavy metals(ppm) ≤10
                                                          Arsenic(ppm) ≤1
                                                           
                                                           
                                                           
                                                           
                                                           
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