Trioctylphosphine oxide

CAS Registry Number®

78-50-2

CAS Name

Trioctylphosphine oxide

Molecular Formula

C24H51OP

Molecular Mass

386.63

Cite this Page

Trioctylphosphine oxide.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=78-50-2 (retrieved 2024-11-22) (CAS RN: 78-50-2).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    180-205 °C @ Press: 1 Torr

  • Melting Point (1)

    48-54 °C

  • Density (2)

    0.831 g/cm³ (liquid)

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C24H51OP/c1-4-7-10-13-16-19-22-26(25,23-20-17-14-11-8-5-2)24-21-18-15-12-9-6-3/h4-24H2,1-3H3

InChIKey

InChIKey=ZMBHCYHQLYEYDV-UHFFFAOYSA-N

SMILES

P(CCCCCCCC)(CCCCCCCC)(CCCCCCCC)=O

Canonical SMILES

O=P(CCCCCCCC)(CCCCCCCC)CCCCCCCC

Other Names for this Substance

  • Phosphine oxide, trioctyl-
  • Trioctylphosphine oxide
  • TOPO
  • Tri-n-octylphosphine oxide
  • Hostarex PX 324

View All

Deleted or Replaced CAS Registry Numbers

129406-23-1

CAS INSIGHTSTM
Targeted protein degrader structure, illustration