Triphenylphosphine oxide
CAS Registry Number®
791-28-6
CAS Name
Triphenylphosphine oxideMolecular Formula
C18H15OPMolecular Mass
278.28Cite this Page
Triphenylphosphine oxide. CAS Common Chemistry. CAS, a division of the American Chemical Society, n.d. http://commonchemistry.cas.org/detail?cas_rn=791-28-6 (retrieved ) (CAS RN: 791-28-6). Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).Compound Properties
Boiling Point (1)
>360 °CMelting Point (1)
156.5 °CDensity (2)
1.140 g/cm³
Source(s)
- (1) PhysProp data were obtained from Syracuse Research Corporation of Syracuse, New York (US)
- (2) Shaw, Robert Alfred; Chemistry & Industry (London, United Kingdom), (1971), (5), 151-2, CAplus
Other Names and Identifiers
InChI
InChI=1S/C18H15OP/c19-20(16-10-4-1-5-11-16,17-12-6-2-7-13-17)18-14-8-3-9-15-18/h1-15H
InChIKey
InChIKey=FIQMHBFVRAXMOP-UHFFFAOYSA-N
SMILES
P(=O)(C1=CC=CC=C1)(C2=CC=CC=C2)C3=CC=CC=C3
Canonical SMILES
O=P(C=1C=CC=CC1)(C=2C=CC=CC2)C=3C=CC=CC3
Other Names for this Substance
- Phosphine oxide, triphenyl-
- Triphenylphosphine oxide
- Triphenyl phosphorus oxide
- Triphenylphosphine monoxide
- TPPO
Deleted or Replaced CAS Registry Numbers
47027-44-1
