Phase: 50% Cyanopropyl, 50% Methyl Polysiloxane.r- Excellent general purpose GC columnr- Mid to High polarityr- USP Classification: G8rApplication areas: organophosphorus pesticides, food packaging residual solvents.rSuitable replacement for: VF-23MS, DB-23, Silar-5, Rtx-2330, SP-2330.