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	-125.3 ± 1.5	kJ/mol	Ccb	Cox, 1961	ALS
Δ_fH°_gas	-125.4 ± 1.5	kJ/mol	Ccb	Andon, Biddiscombe, et al., 1960	ALS

Constant pressure heat capacity of gas

C_p,gas (J/mol*K)	Temperature (K)	Reference	Comment
39.11	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
51.31	100.
68.39	150.
86.75	200.
115.15	273.15
124.97	298.15
125.69	300.
162.77	400.
194.02	500.
219.28	600.
239.77	700.
256.68	800.
270.84	900.
282.84	1000.
293.08	1100.
301.87	1200.
309.45	1300.
316.00	1400.
321.69	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