General purpose fused silica column for pesticides, herbicides, rosin acids, phthalate esters, triglycerides, sterols. Medium polarity crossbond diphenyl dimethyl polysiloxane phase for inertness, low bleed, and excellent column-column reproducibility. Temperature range: 40C to 320C. Similar phases: Phenomenex ZB-50, Agilent DB-17, DB-17ht, DB-608, HP-17, Restek Rxi-17.