Reference Source

dimethyl polysiloxane

For dimethyl polysiloxane, usp g-code(s) is G1, G2, G9, G38; agilent equivalents is HP-1, DB-1, CP-Sil 5 CB; restek equivalents is Rtx-1; phenomenex equivalents is ZB-1; supelco/merck equivalents is Equity 1, SPB-1, verified against its source on 2026-08-15.

Phase chemistry
dimethyl polysiloxane verified
USP G-code(s)
G1, G2, G9, G38 verified
Agilent equivalents
HP-1, DB-1, CP-Sil 5 CB verified
Restek equivalents
Rtx-1 verified
Phenomenex equivalents
ZB-1 verified
Supelco/Merck equivalents
Equity 1, SPB-1 verified
SGE/Trajan equivalents
BP1 verified
Macherey-Nagel equivalents
OPTIMA 1 verified
Quadrex equivalents
007-1 verified
Sourcerestek.com
Verified
Review by
DatasetGC column stationary phase cross-reference by manufacturer

What the source says

Rtx-1 | dimethyl polysiloxane | G1, G2, G9, G38 | HP-1, DB-1, CP-Sil 5 CB | BP1 | ZB-1 | OPTIMA 1 | Equity 1, SPB-1 | 007-1

— restek.com, retrieved 2026-08-15

Sources disagree

More than one authority states this, and they do not state the same thing. Both are reproduced with the source each came from — deciding between them is yours, not ours.

Agilent equivalents

restek.com says agilent equivalents is HP-1, DB-1, CP-Sil 5 CB, as of 2026-08-15.

Rtx-1 | dimethyl polysiloxane | G1, G2, G9, G38 | HP-1, DB-1, CP-Sil 5 CB | BP1 | ZB-1 | OPTIMA 1 | Equity 1, SPB-1 | 007-1

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

discover.restek.com says agilent equivalents is DB-1ht, as of 2026-08-15.

Rxi-1HT | dimethyl polysiloxane | | DB-1ht | | ZB-1HT inferno | | | 007-1HT |

https://discover.restek.com/articles/gnot3472/gc-column-cross-reference-chart

discover.restek.com says agilent equivalents is DB-1, DB-PS1, as of 2026-08-15.

MXT-1 | dimethyl polysiloxane | G1, G2, G9, G38 | DB-1, DB-PS1 | BP1 | | | | UAC-1, UAC-1MS |

https://discover.restek.com/articles/gnot3472/gc-column-cross-reference-chart

discover.restek.com says agilent equivalents is CP-SimDist, as of 2026-08-15.

MXT-1HT SimDist | dimethyl polysiloxane | G1, G2, G9, G38 | CP-SimDist | | ZB-1XT SimDist | | | UAC-SIM |

https://discover.restek.com/articles/gnot3472/gc-column-cross-reference-chart

Restek equivalents

restek.com says restek equivalents is Rtx-1, as of 2026-08-15.

Rtx-1 | dimethyl polysiloxane | G1, G2, G9, G38 | HP-1, DB-1, CP-Sil 5 CB | BP1 | ZB-1 | OPTIMA 1 | Equity 1, SPB-1 | 007-1

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

discover.restek.com says restek equivalents is Rxi-1HT, as of 2026-08-15.

Rxi-1HT | dimethyl polysiloxane | | DB-1ht | | ZB-1HT inferno | | | 007-1HT |

https://discover.restek.com/articles/gnot3472/gc-column-cross-reference-chart

discover.restek.com says restek equivalents is MXT-1, as of 2026-08-15.

MXT-1 | dimethyl polysiloxane | G1, G2, G9, G38 | DB-1, DB-PS1 | BP1 | | | | UAC-1, UAC-1MS |

https://discover.restek.com/articles/gnot3472/gc-column-cross-reference-chart

discover.restek.com says restek equivalents is MXT-1HT SimDist, as of 2026-08-15.

MXT-1HT SimDist | dimethyl polysiloxane | G1, G2, G9, G38 | CP-SimDist | | ZB-1XT SimDist | | | UAC-SIM |

https://discover.restek.com/articles/gnot3472/gc-column-cross-reference-chart

Phenomenex equivalents

restek.com says phenomenex equivalents is ZB-1, as of 2026-08-15.

Rtx-1 | dimethyl polysiloxane | G1, G2, G9, G38 | HP-1, DB-1, CP-Sil 5 CB | BP1 | ZB-1 | OPTIMA 1 | Equity 1, SPB-1 | 007-1

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

discover.restek.com says phenomenex equivalents is ZB-1HT inferno, as of 2026-08-15.

Rxi-1HT | dimethyl polysiloxane | | DB-1ht | | ZB-1HT inferno | | | 007-1HT |

https://discover.restek.com/articles/gnot3472/gc-column-cross-reference-chart

discover.restek.com says phenomenex equivalents is ZB-1XT SimDist, as of 2026-08-15.

MXT-1HT SimDist | dimethyl polysiloxane | G1, G2, G9, G38 | CP-SimDist | | ZB-1XT SimDist | | | UAC-SIM |

https://discover.restek.com/articles/gnot3472/gc-column-cross-reference-chart

Quadrex equivalents

restek.com says quadrex equivalents is 007-1, as of 2026-08-15.

Rtx-1 | dimethyl polysiloxane | G1, G2, G9, G38 | HP-1, DB-1, CP-Sil 5 CB | BP1 | ZB-1 | OPTIMA 1 | Equity 1, SPB-1 | 007-1

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

discover.restek.com says quadrex equivalents is 007-1HT, as of 2026-08-15.

Rxi-1HT | dimethyl polysiloxane | | DB-1ht | | ZB-1HT inferno | | | 007-1HT |

https://discover.restek.com/articles/gnot3472/gc-column-cross-reference-chart

discover.restek.com says quadrex equivalents is UAC-1, UAC-1MS, as of 2026-08-15.

MXT-1 | dimethyl polysiloxane | G1, G2, G9, G38 | DB-1, DB-PS1 | BP1 | | | | UAC-1, UAC-1MS |

https://discover.restek.com/articles/gnot3472/gc-column-cross-reference-chart

discover.restek.com says quadrex equivalents is UAC-SIM, as of 2026-08-15.

MXT-1HT SimDist | dimethyl polysiloxane | G1, G2, G9, G38 | CP-SimDist | | ZB-1XT SimDist | | | UAC-SIM |

https://discover.restek.com/articles/gnot3472/gc-column-cross-reference-chart

Sources

Last verified against source: . Due for re-check by . This page as Markdown · OKF bundle · full dataset as JSON.