Appearance£ºwhite crystal ; Purity£º¡Ã99% ; Molecular formula£ºC11H26N2O6 ; Molecular wt£º282.34 ; PKA1: 6.8 PKA2:9.0 ; PH: 6.3-9.5 ; CAS No:64431-96-5 ; Producing Area£ºSuzhou, China .