Triphenylphosphine oxide

C18H15OPCAS 791-28-6278.29 g/mol

Open in Covalent MOL file
OP

Properties

Molecular formula
C18H15OP
Molar mass
278.29 g/mol
Exact mass
278.0861 Da
Density
1.14 g/mL
Melting point
156.5 °C
Boiling point
above 360 °C
logP
3.33Crippen estimate
Polar surface area
17.1 Ų
H-bond donors / acceptors
0 / 1
Rotatable bonds
3

Hazards

Warning
Irritant (GHS07)

Aggregated from 245 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.

Precautionary statements

P261, P264, P264+P265, P270, P271, P273, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, P501

Identifiers

CAS number
791-28-6
SMILES
O=P(c1ccccc1)(c1ccccc1)c1ccccc1
InChIKey
FIQMHBFVRAXMOP-UHFFFAOYSA-N
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

Weigh it out

Type any one amount. The others follow from the molar mass and density.

Names and synonyms

7 names
  • Phosphine oxide, triphenyl-
  • Triphenyl phosphorus oxide
  • Triphenylphosphine monoxide
  • TPPO
  • NSC 398
  • PP 560
  • (Diphenylphosphoroso)benzene

Work with Triphenylphosphine oxide

Predict the NMR spectrum1H and 13C shifts with multiplicities Make a solutionWhat to weigh for any molarity and volume Check drug-likenessLipinski, Veber and lead-likeness Boiling point under vacuumAt any pressure, from its normal boiling point Isotope patternExact mass and the mass spectrum pattern

Similar compounds

Bis(4-fluorophenyl)phenylphosphine oxide54300-32-268 % similar Bis[2-[(oxo)diphenylphosphino]phenyl] Ether808142-23-656 % similar 2,8-Bis(diphenylphosphoryl)dibenzo[b,d]furan911397-27-856 % similar Diphenylphosphinic chloride1499-21-450 % similar Phenylphosphonic acid1571-33-150 % similar Diphenylphosphinic acid1707-03-550 % similar Methyldiphenylphosphine oxide2129-89-750 % similar O-(Diphenylphosphinyl)hydroxylamine72804-96-750 % similar

Tanimoto similarity of circular fingerprints over the whole catalogue.

All similar compounds

Elsewhere

PubChem CAS Common Chemistry NIST WebBook Wikipedia