p-Cresol

Formula: C₇H₈O
Molecular weight: 108.1378
IUPAC Standard InChI: InChI=1S/C7H8O/c1-6-2-4-7(8)5-3-6/h2-5,8H,1H3
IUPAC Standard InChIKey: IWDCLRJOBJJRNH-UHFFFAOYSA-N
CAS Registry Number: 106-44-5
Chemical structure:
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Other names: Phenol, 4-methyl-; p-Hydroxytoluene; p-Kresol; p-Methylhydroxybenzene; p-Methylphenol; p-Oxytoluene; p-Toluol; p-Tolyl alcohol; 1-Hydroxy-4-methylbenzene; 4-Cresol; 4-Hydroxytoluene; 4-Methylphenol; 1-Methyl-4-hydroxybenzene; Paracresol; Cresol, para; Paramethyl phenol; Rcra waste number U052; p-Cresylic acid; Cresol,p-; Phenol, 4-methyI; NSC 3696; 4-methylphenol ( p-cresol); p-Cresol (4-methylphenol)
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Gas phase thermochemistry data

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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
Δ_fH°_gas	-29.94 ± 0.36	kcal/mol	Ccb	Cox, 1961	ALS
Δ_fH°_gas	-29.97 ± 0.36	kcal/mol	Ccb	Andon, Biddiscombe, et al., 1960	ALS

Constant pressure heat capacity of gas

C_p,gas (cal/mol*K)	Temperature (K)	Reference	Comment
9.348	50.	Kudchadker S.A., 1978	Selected entropies and heat capacities are in close agreement with statistical values calculated by [ Green J.H.S., 1962] except for S(298.15 K). This value is 3.1 J/mol*K greater than the calculated by [ Green J.H.S., 1962].; GT
12.26	100.
16.35	150.
20.73	200.
27.522	273.15
29.869	298.15
30.041	300.
38.903	400.
46.372	500.
52.409	600.
57.306	700.
61.348	800.
64.732	900.
67.600	1000.
70.048	1100.
72.149	1200.
73.960	1300.
75.526	1400.
76.886	1500.

References

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Cox, 1961
Cox, J.D., The heats of combustion of phenol and the three cresols, Pure Appl. Chem., 1961, 2, 125-128. [all data]

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., 1978
Kudchadker S.A., Ideal gas thermodynamic properties of phenol and cresols, J. Phys. Chem. Ref. Data, 1978, 7, 417-423. [all data]

Green J.H.S., 1962
Green J.H.S., Normal frequencies, thermodynamic properties and equilibrium of the cresols, Chem. Ind. (London), 1962, 1575-1576. [all data]

Notes

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Symbols used in this document:

C_p,gas Constant pressure heat capacity of gas

Δ_fH°_gas Enthalpy of formation of gas at standard conditions
Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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C_p,gas	Constant pressure heat capacity of gas
Δ_fH°_gas	Enthalpy of formation of gas at standard conditions