Molecular formula£ºC8H18N2O4S; Molecular wt£º238.3 ; P H£º6.8-8.2 ; PKA£º 7.35-7.75 ; Appearance£ºwhite crystal powder ; Purity£º¡Ã99%; CAS No:7365-45-9 ; Producing Suzhou, China. Application: The task of the buffer is to control the pH of bio-molecule in order for enzymatic reactions to proceed with the highest efficiency.Recently Buffer can be used in experiments of biological research and life science.