# diphenyl dimethyl polysiloxane (low bleed) — GC column stationary phase cross-reference by manufacturer

For diphenyl dimethyl polysiloxane (low bleed), usp g-code(s) is G27, G36; agilent equivalents is HP-5ms UI; restek equivalents is Rxi-5ms; phenomenex equivalents is ZB-5plus; supelco/merck equivalents is SPB-5, verified against its source on 2026-08-15.

- **Phase chemistry:** diphenyl dimethyl polysiloxane (low bleed) _(verified: appears in the quote below)_
- **USP G-code(s):** G27, G36 _(verified: appears in the quote below)_
- **Agilent equivalents:** HP-5ms UI _(verified: appears in the quote below)_
- **Restek equivalents:** Rxi-5ms _(verified: appears in the quote below)_
- **Phenomenex equivalents:** ZB-5plus _(verified: appears in the quote below)_
- **Supelco/Merck equivalents:** SPB-5 _(verified: appears in the quote below)_
- **SGE/Trajan equivalents:** BP5MS _(verified: appears in the quote below)_
- **Macherey-Nagel equivalents:** OPTIMA 5 MS _(verified: appears in the quote below)_
- **Quadrex equivalents:** 007-5MS _(verified: appears in the quote below)_

## What the source says

> <https://www.restek.com/c/1675> Rxi-5ms | diphenyl dimethyl polysiloxane (low bleed) | G27, G36 | HP-5ms UI | BP5MS | ZB-5plus | OPTIMA 5 MS | SPB-5 | 007-5MS |

## Source

- https://www.restek.com/articles/gc-column-cross-reference

Last verified: 2026-08-15. Review by: 2027-08-15.
Part of [GC column stationary phase cross-reference by manufacturer](https://referencesource.org/lab-instrument-consumables-equivalence/).