Ethyldiphenylphosphine oxide

CAS Registry Number®

1733-57-9

CAS Name

Ethyldiphenylphosphine oxide

Molecular Formula

C14H15OP

Molecular Mass

230.24

Cite this Page

Ethyldiphenylphosphine oxide.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=1733-57-9 (retrieved 2025-06-16) (CAS RN: 1733-57-9).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    128-130 °C @ Press: 3 Torr

  • Melting Point (2)

    112-113 °C

  • Density (1)

    1.0722 g/cm³ @ Temp: 20 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C14H15OP/c1-2-16(15,13-9-5-3-6-10-13)14-11-7-4-8-12-14/h3-12H,2H2,1H3

InChIKey

InChIKey=AKTGKEBIBGSCLD-UHFFFAOYSA-N

SMILES

P(CC)(=O)(C1=CC=CC=C1)C2=CC=CC=C2

Canonical SMILES

O=P(C=1C=CC=CC1)(C=2C=CC=CC2)CC

Other Names for this Substance

  • Phosphine oxide, ethyldiphenyl-
  • Ethyldiphenylphosphine oxide
  • Diphenyl(ethyl)phosphine oxide
  • Diphenylphosphinoethane monoxide

CAS INSIGHTSTM
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