Phosphoric acid, tris(2-methylphenyl) ester
- Formula: C21H21O4P
- Molecular weight: 368.3628
- IUPAC Standard InChI: InChI=1S/C21H21O4P/c1-16-10-4-7-13-19(16)23-26(22,24-20-14-8-5-11-17(20)2)25-21-15-9-6-12-18(21)3/h4-15H,1-3H3
- IUPAC Standard InChIKey: YSMRWXYRXBRSND-UHFFFAOYSA-N
- CAS Registry Number: 78-30-8
- 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: Phosphoric acid, tri-o-tolyl ester; o-Cresyl phosphate; Phosflex 179C; Tri-o-cresyl phosphate; Tri-o-tolyl phosphate; Tris(o-tolyl) phosphate; TOCP; TOTP; o-Tolyl phosphate; o-Trikresylphosphate; Phosphoric acid, tri-o-cresyl ester; Tri-2-methylphenyl phosphate; Tri-2-tolyl phosphate; Triorthocresyl phosphate; Trojkrezylu fosforan; TOFK; Tris(o-cresyl)-phosphate; Tris(o-methylphenyl)phosphate; o-Trioyl phosphate; Tri-O-tolyl ester phosphoric acid; Phosphoric acid, tri-2-methylphenyl ester; NSC 438; Tris(2-methylphenyl) phosphate; Tricresyl phosphate
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Condensed phase thermochemistry data
Go To: Top, Phase change data, IR Spectrum, Mass spectrum (electron ionization), 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
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| S°solid,1 bar | 136. | cal/mol*K | N/A | Ovchinnikov, Podgornov, et al., 1986 | glass phase |
Constant pressure heat capacity of solid
| Cp,solid (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 138. | 298.15 | Ovchinnikov, Podgornov, et al., 1986 | glass phase; T = 6 to 320 K. |
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
Enthalpy of vaporization
| ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 20.7 | 308. | A,I | Stephenson and Malanowski, 1987 | Based on data from 293. to 700. K. See also Dobry and Keller, 1957. |
IR Spectrum
Go To: Top, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), References, Notes
Data compiled by: Coblentz Society, Inc.
- Not specified, most likely a prism, grating, or hybrid spectrometer.; (NO SPECTRUM, ONLY SCANNED IMAGE IS AVAILABLE)
- SOLUTION (10% CCl4 FOR 2.7-7.5, 10% CS2 FOR 7.5-26 MICRON) VS SOLVENT; DOW KBr FOREPRISM-GRATING; DIGITIZED BY COBLENTZ SOCIETY (BATCH I) FROM HARD COPY; 2 cm-1 resolution
Mass spectrum (electron ionization)
Go To: Top, Condensed phase thermochemistry data, Phase change 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
Spectrum
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Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
Due to licensing restrictions, this spectrum cannot be downloaded.
| Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
|---|---|
| Origin | RADIAN CORP |
| NIST MS number | 73434 |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Ovchinnikov, Podgornov, et al., 1986
Ovchinnikov, E.Yu.; Podgornov, V.A.; Moseeva, E.M.,
Specific heat and thermodynamic functions of tricresyl phosphate at 6-320 K,
Zhur. Fiz. Khim., 1986, 60, 760-762. [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]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), 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) ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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