Triphenylphosphine oxide

• Formula: C₁₈H₁₅OP
• Molecular weight: 278.2849
• IUPAC Standard 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 Copy

  
• IUPAC Standard InChIKey: FIQMHBFVRAXMOP-UHFFFAOYSA-N Copy
• CAS Registry Number: 791-28-6
• Chemical structure:
  This structure is also available as a 2d Mol file
• Other names: Phosphine oxide, triphenyl-; Triphenyl phosphorus oxide; (C6H5)3P=O; Triphenylphosphanoxid; Triphenylphosphanoxide; (C6H5)3PO
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Condensed phase thermochemistry data
  • IR Spectrum
  • Gas Chromatography
  • References
  • Notes
• Other data available:
  • Phase change data
  • Gas phase ion energetics data
  • Mass spectrum (electron ionization)
  • UV/Visible spectrum
• Data at other public NIST sites:
  • X-ray Photoelectron Spectroscopy Database, version 5.0
• Options:
  • Switch to calorie-based units

Data at NIST subscription sites:

• NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data)

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.

Condensed phase thermochemistry data

Go To: Top, IR Spectrum, Gas Chromatography, References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Eugene S. Domalski and Elizabeth D. Hearing

Constant pressure heat capacity of solid

IR Spectrum

Go To: Top, Condensed phase thermochemistry data, Gas Chromatography, References, Notes

Data compiled by: Coblentz Society, Inc.

• SOLID (KBr PELLET); Not specified, most likely a prism, grating, or hybrid spectrometer.; DIGITIZED BY NIST FROM HARD COPY; 4 cm^-1 resolution
• SOLID (SPLIT MULL, FLUOROLUBE FOR 3800-1333 AND NUJOL FOR 1333-400 CM ^-1); DOW KBr FOREPRISM-GRATING; DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 4 cm^-1 resolution

Gas Chromatography

Go To: Top, Condensed phase thermochemistry data, IR Spectrum, References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Van Den Dool and Kratz RI, non-polar column, custom temperature program

View large format table.

References

Go To: Top, Condensed phase thermochemistry data, IR Spectrum, Gas Chromatography, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Huinink, van Miltenberg, et al., 1989
Huinink, J.; van Miltenberg, K.; Oonk, H.A.J.; Scherijff, A., Thermodynamic functions and vapor pressures of triphenylphosphine oxide and 1,4-bis(diphenylphosphino)butane, J. Chem. Eng. Data, 1989, 34(1), 99-100. [all data]

Jorge, Airoldi, et al., 1978
Jorge, R.A.; Airoldi, C.; Chagas, A.P., Thermochemistry of dichlorobis(triphenylphosphine oxide)-zinc(II), -cadmium(II), and -mercury(II), 1978, J. [all data]

Harrop and Head, 1977
Harrop, D.; Head, A.J., Thermodynamic properties of phosphorus compounds. 4. The energy of combustion of triphenylphosphine oxide: a test substance for the combustion calorimetry of organophosphorus compounds, J. Chem. Thermodynam., 1977, 9, 1067-1076. [all data]

Hankemeier, Rozenbrand, et al., 1998
Hankemeier, Th.; Rozenbrand, J.; Abhadur, M.; Vreuls, J.J.; Brinkman, U.A.Th., Data Correlation in On-Line Solid-Phase Extraction - Gas Chromatography - Atomic Emission / Mass Spectrometric Detection of Unknown Microcontaminants, Chromatographia, 1998, 48, 3/4, 273-283, https://doi.org/10.1007/BF02467683 . [all data]

Notes

Go To: Top, Condensed phase thermochemistry data, IR Spectrum, Gas Chromatography, References

• Symbols used in this document:
  

  Cp,solid

  Constant pressure heat capacity of solid

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
• The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
• Customer support for NIST Standard Reference Data products.