Triphenyl phosphate
- Formula: C18H15O4P
- Molecular weight: 326.2831
- IUPAC Standard InChIKey: XZZNDPSIHUTMOC-UHFFFAOYSA-N
- 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
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Phase change data
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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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Ttriple | 322.55 | K | N/A | Rabinovich, Pet'kov, et al., 1986 | Uncertainty assigned by TRC = 0.02 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 27.34 ± 0.62 | kcal/mol | B | Kirklin and Domalski, 1989 | AC |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
19.5 | 563. | I,A | Stephenson and Malanowski, 1987 | Based on data from 548. to 683. K. See also Dobry and Keller, 1957.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
466.7 to 686.7 | 5.04854 | 3034.786 | -84.233 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
7.0770 | 322.55 | Rabinovich, Pet'kov, et al., 1986, 2 | DH |
7.077 | 322.5 | Acree, 1991 | AC |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
21.95 | 322.55 | Rabinovich, Pet'kov, et al., 1986, 2 | DH |
References
Go To: Top, 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 12-340K,
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]
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 12-340 K,
Zhur. Fiz. Khim., 1986, 60, 767-769. [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, Phase change data, References
- Symbols used in this document:
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
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