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Phenyl Columns

Great for Aromatic Compounds | Phenyl Hydride™ is Unique | USP® L11



Phenyl phases have an aromatic ring with a hydrocarbon linkage to the Silica. These columns are often used for the separation of polar and/or aromatic compounds such as brominated phenols, peptides and polyaromatic compounds through pi-pi interactions.

Made with world class, high purity silica and a bonding technology that has been worked out over many years, these columns are among the finest, most reliable PFP phases available.


Available in a wide range of particle sizes in 60A and 100A pore sizes. Fully End-Capped, they are often a better choice than simple phenyl phases.



  • Cogent Phenyl Hydride™ - Made with TYPE-C™ Silica making them very unique from all other Phenyl phases. Useful in Reversed Phase (RP), Normal Phase (NP) and Aqueous Normal Phase (ANP) HPLC. This phase is very robust with unique selectivity.
  • Cogent RP™ Phenyl - Made with world class Silica and manufacturing techniques, these columns are packed and ready to be used in Reversed Phase HPLC.
  • Cogent HPS™ Phenyl - Base Deactivated, 5um Silica, these columns are made and designed for great peak shapes.
  • Cogent Similars™ Phenyl - These HPLC columns are manufactured to be similar in performance and separations to the original column already in monographs. Use as Alternate columns in your "legacy" method.