Triphenyl phosphate

• Formula: C₁₈H₁₅O₄P
• Molecular weight: 326.2831
• IUPAC Standard InChI: InChI=1S/C18H15O4P/c19-23(20-16-10-4-1-5-11-16,21-17-12-6-2-7-13-17)22-18-14-8-3-9-15-18/h1-15H Copy

  
• IUPAC Standard InChIKey: XZZNDPSIHUTMOC-UHFFFAOYSA-N Copy
• CAS Registry Number: 115-86-6
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
  The 3d structure may be viewed using Java or Javascript.
• Other names: TPP; Phosphoric acid, triphenyl ester; Celluflex TPP; Disflamoll TP; Phenyl phosphate ((PhO)3PO); Phosflex TPP; Triphenoxyphosphine oxide; TP; Trifenylfosfat; Altal; Kronitex TPP; Phenyl phosphate; Triphenyl phosphoric acid ester; NSC 57868
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Condensed phase thermochemistry data
  • Phase change data
  • References
  • Notes
• Other data available:
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • UV/Visible spectrum
  • Gas Chromatography
• Data at other public NIST sites:
  • X-ray Photoelectron Spectroscopy Database, version 5.0
• Options:
  • Switch to SI 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, Phase change data, 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

Phase change data

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

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

Data compiled as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing

Enthalpy of vaporization

Antoine Equation Parameters

log₁₀(P) = A − (B / (T + C))
    P = vapor pressure (atm)
    T = temperature (K)

View plot Requires a JavaScript / HTML 5 canvas capable browser.

Enthalpy of fusion

Entropy of fusion

References

Go To: Top, Condensed phase thermochemistry data, Phase change data, Notes

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

Rabinovich, Pet'kov, et al., 1986
Rabinovich, I.B.; Pet'kov, V.I.; Zarudaeva, S.S.; Ovchinnikov, E.Yu., Specific heat and thermodynamic functions of triphenyl phosphate at 12-340 K, Zhur. Fiz. Khim., 1986, 60, 767-769. [all data]

Rabinovich, Pet'kov, et al., 1986, 2
Rabinovich, I.B.; Pet'kov, V.I.; Zarudaeva, S.S.; Ovchinnikov, E.Yu., Specific heat and thermodynamic functions of triphenyl phosphate at 12-340K, Zh. Fiz. Khim., 1986, 60, 767. [all data]

Kirklin and Domalski, 1989
Kirklin, Duane R.; Domalski, Eugene S., Energy of combustion of triphenylphosphate, The Journal of Chemical Thermodynamics, 1989, 21, 5, 449-456, https://doi.org/10.1016/0021-9614(89)90162-6 . [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

Dobry and Keller, 1957
Dobry, Alan; Keller, Richard, Vapor Pressures of Some Phosphate and Phosphonate Esters, J. Phys. Chem., 1957, 61, 10, 1448-1449, https://doi.org/10.1021/j150556a052 . [all data]

Stull, 1947
Stull, Daniel R., Vapor Pressure of Pure Substances. Organic and Inorganic Compounds, Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022 . [all data]

Acree, 1991
Acree, William E., Thermodynamic properties of organic compounds: enthalpy of fusion and melting point temperature compilation, Thermochimica Acta, 1991, 189, 1, 37-56, https://doi.org/10.1016/0040-6031(91)87098-H . [all data]

Notes

Go To: Top, Condensed phase thermochemistry data, Phase change data, References

• Symbols used in this document:
  

  Cp,solid	Constant pressure heat capacity of solid
  S°solid,1 bar	Entropy of solid at standard conditions (1 bar)
  Ttriple	Triple point temperature
  ΔfusH	Enthalpy of fusion
  ΔfusS	Entropy of fusion
  ΔsubH°	Enthalpy of sublimation at standard conditions
  ΔvapH	Enthalpy of vaporization

• 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.