Phenol, 3,4-dimethyl-
- Formula: C8H10O
- Molecular weight: 122.1644
- IUPAC Standard InChI: InChI=1S/C8H10O/c1-6-3-4-8(9)5-7(6)2/h3-5,9H,1-2H3
- IUPAC Standard InChIKey: YCOXTKKNXUZSKD-UHFFFAOYSA-N
- CAS Registry Number: 95-65-8
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: 3,4-Xylenol; 1-Hydroxy-3,4-dimethylbenzene; 1,3,4-Xylenol; 3,4-Dimethylphenol; 4-Hydroxy-1,2-dimethylbenzene; 4,5-Dimethylphenol; 1,2-Dimethyl-4-hydroxybenzene; 3,4-DMP; NSC 1549
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Gas 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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | -156.6 ± 0.59 | kJ/mol | Ccb | Andon, Biddiscombe, et al., 1960 | ALS |
Constant pressure heat capacity of gas
| Cp,gas (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 39.43 | 50. | Kudchadker S.A., 1979 | GT |
| 66.56 | 100. | ||
| 93.95 | 150. | ||
| 118.57 | 200. | ||
| 152.35 | 273.15 | ||
| 163.52 | 298.15 | ||
| 164.33 | 300. | ||
| 205.88 | 400. | ||
| 240.97 | 500. | ||
| 269.69 | 600. | ||
| 293.30 | 700. | ||
| 312.99 | 800. | ||
| 329.64 | 900. | ||
| 343.84 | 1000. | ||
| 356.00 | 1100. | ||
| 366.48 | 1200. | ||
| 375.52 | 1300. | ||
| 383.35 | 1400. | ||
| 390.15 | 1500. |
References
Go To: Top, Gas phase thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Andon, Biddiscombe, et al., 1960
Andon, R.J.L.; Biddiscombe, D.P.; Cox, J.D.; Handley, R.; Harrop, D.; Herington, E.F.G.; Martin, J.F.,
Thermodynamic properties of organic oxygen compounds. Part I. Preparation and physical properties of pure phenol, cresols, and xylenols,
J. Chem. Soc., 1960, 5246-5254. [all data]
Kudchadker S.A., 1979
Kudchadker S.A.,
Property data available for coal chemicals,
Hydrocarbon Process., 1979, 58, 169-171. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, References
- Symbols used in this document:
Cp,gas Constant pressure heat capacity of gas ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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