Tributyl phosphate
- Formula: C12H27O4P
- Molecular weight: 266.3141
- IUPAC Standard InChI: InChI=1S/C12H27O4P/c1-4-7-10-14-17(13,15-11-8-5-2)16-12-9-6-3/h4-12H2,1-3H3
- IUPAC Standard InChIKey: STCOOQWBFONSKY-UHFFFAOYSA-N
- CAS Registry Number: 126-73-8
- 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: TBP; Phosphoric acid tributyl ester; Butyl phosphate; Celluphos 4; Disflamoll TB; Tri-n-butyl phosphate; Tributoxyphosphine oxide; Butyl phosphate, ((BuO)3PO); Butyl phosphate, tri-; Tributilfosfato; Tributyle (phosphate de); Tributylfosfaat; Tributylphosphat; Tributylfosfat; Tributylphsophate; Tributyl ester of phosphoric acid; Kronitex TBP; Phosphoric acid tri-n-butyl ester; Syn-O-Ad 8412; NSC 8484; tributhyl phosphate
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Condensed phase thermochemistry 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 by: Eugene S. Domalski and Elizabeth D. Hearing
Constant pressure heat capacity of liquid
| Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 379.4 | 298.15 | Nazar'ko, Rudakov, et al., 1981 | T = 283 to 423 K. Cp given as 1.404 J/g*K at 20°C and 1.445 J/g*K at 30°C. |
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 by: William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔvapH° | 81.3 | kJ/mol | CGC | Panneerselvam, Antony, et al., 2007 | Based on data from 443. to 483. K. |
| ΔvapH° | 78.8 | kJ/mol | CGC | Panneerselvam, Antony, et al., 2007 | Based on data from 423. to 463. K. |
| ΔvapH° | 81.7 | kJ/mol | CGC | Panneerselvam, Antony, et al., 2007 | Based on data from 453. to 493. K. |
Enthalpy of vaporization
| ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 61.4 | 515. | A | Stephenson and Malanowski, 1987 | Based on data from 500. to 562. K. |
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.
Nazar'ko, Rudakov, et al., 1981
Nazar'ko, V.M.; Rudakov, G.Ya.; Magomadov, A.S.; Demichev, A.I.,
Thermophysical properties of tri-n-butyl phosphate mercaptan absorbent, Gazov. Prom-st.,
Ser.: Podgot. Pererab. Gaza Gazov. Kondens., 1981, No. 3, 13-16. [all data]
Panneerselvam, Antony, et al., 2007
Panneerselvam, K.; Antony, M.P.; Srinivasan, T.G.; Rao, P.R. Vasudeva,
Measurement of enthalpies of vaporization of trialkyl phosphates using correlation gas chromatography,
Thermochimica Acta, 2007, 466, 1-2, 49-56, https://doi.org/10.1016/j.tca.2007.10.007
. [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]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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