007-35 is the Quadrex designation for a (35% phenyl) dimethylpolysiloxane phase. This phase is a compromise between 007-20 and 007-17 in phenyl content.

It is a popular phase for drug analyses; and like the entire series of phenyl-substituted phases, columns coated with the 007-35 can be rinsed to remove non-volatile and high boiling contaminants.
Bonded and crosslinked
Excellent thermal stability
Moderately polar
Comparable to OV-11
Similar phases: DB-35, Rtx-35, SPB-35, AT-35, HP-35, BPX-35
USP Phase Specification:  G42
007-35, (35% Phenyl) Methylpolysiloxane columns are available in all standard column I.D.'s and lengths.