Dicyclohexyl phthalate
- Formula: C20H26O4
- Molecular weight: 330.4180
- IUPAC Standard InChI: InChI=1S/C20H26O4/c21-19(23-15-9-3-1-4-10-15)17-13-7-8-14-18(17)20(22)24-16-11-5-2-6-12-16/h7-8,13-16H,1-6,9-12H2
- IUPAC Standard InChIKey: VOWAEIGWURALJQ-UHFFFAOYSA-N
- CAS Registry Number: 84-61-7
- 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: 1,2-Benzenedicarboxylic acid, dicyclohexyl ester; Phthalic acid, dicyclohexyl ester; Ergoplast FDC; HF 191; KP 201; Unimoll 66; Ergoplast.fdc; Howflex CP; DCHP; Dicyclohexyl benzene-1,2-dicarboxylate; Morflex 150; Unimoll 66 M; Uniplex 250; 1,2-Benzenedicarboxylic acid, 1,2-dicyclohexyl ester; NSC 6101
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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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°solid | -222.6 ± 2.6 | kcal/mol | Ccb | Tavernier and Lamouroux, 1957 | Reanalyzed by Cox and Pilcher, 1970, Original value = -217.92 kcal/mol; Author's hf298_condensed=-227.798 kcal/mol |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°solid | -2546.5 ± 2.6 | kcal/mol | Ccb | Tavernier and Lamouroux, 1957 | Reanalyzed by Cox and Pilcher, 1970, Original value = -2551.21 kcal/mol; Author's hf298_condensed=-227.798 kcal/mol; Corresponding ΔfHºsolid = -222.62 kcal/mol (simple calculation by NIST; no Washburn corrections) |
Phase change data
Go To: Top, Condensed phase thermochemistry 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: William E. Acree, Jr., James S. Chickos
Enthalpy of vaporization
| ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 23. | 406. | A | Stephenson and Malanowski, 1987 | Based on data from 391. to 475. K. |
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)
- SOLID (MINERAL OIL MULL); Not specified, most likely a prism, grating, or hybrid spectrometer.; DIGITIZED BY NIST FROM HARD COPY; 4 cm-1 resolution
- SOLUTION (10% CCl4 FOR 2.7-7.5, 10% CS2 FOR 7.5-26 MICRON) VS SOLVENT $$ SEE SPECTRUM NO. 2832 FOR "NUJOL MULL"; DOW KBr FOREPRISM-GRATING; DIGITIZED BY COBLENTZ SOCIETY (BATCH I) FROM HARD COPY; 2 cm-1 resolution
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
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
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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 | Virginia Division of Forensic Science |
| NIST MS number | 250710 |
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.
Tavernier and Lamouroux, 1957
Tavernier, P.; Lamouroux, M.,
Determinations calorimetriques relatives a vingt et une substances organiques,
Mem. Poudres, 1957, 39, 335-356. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [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, IR Spectrum, Mass spectrum (electron ionization), References
- Symbols used in this document:
ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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