Phenol, 4-(1,1-dimethylethyl)-2-methyl-

Formula: C₁₁H₁₆O
Molecular weight: 164.2441
IUPAC Standard InChI: InChI=1S/C11H16O/c1-8-7-9(11(2,3)4)5-6-10(8)12/h5-7,12H,1-4H3
IUPAC Standard InChIKey: SNKLPZOJLXDZCW-UHFFFAOYSA-N
CAS Registry Number: 98-27-1
Chemical structure:
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Other names: o-Cresol, 4-tert-butyl-; p-tert-Butyl-o-cresol; 2-Methyl-4-tert-butylphenol; 4-tert-Butyl-o-Cresol; 4-tert-Butyl-2-Methylphenol; Phenol, 4-tert-butyl-2-methyl-
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Phase change data

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Data compiled by: William E. Acree, Jr., James S. Chickos

Quantity	Value	Units	Method	Reference	Comment
Δ_vapH°	17.2 ± 0.1	kcal/mol	GS	Verevkin, 1999	Based on data from 291. to 333. K.

Enthalpy of vaporization

Δ_vapH (kcal/mol)	Temperature (K)	Method	Reference	Comment
17.0 ± 0.1	312.	GS	Verevkin, 1999	Based on data from 291. to 333. K.
14.7	362.	A	Stephenson and Malanowski, 1987	Based on data from 347. to 520. K.
18.1	286.	A	Stephenson and Malanowski, 1987	Based on data from 275. to 297. K. See also Aihara, 1960.
13.3	348.	N/A	Stage, Müller, et al., 1953	Based on data from 347. to 532. K.
12.9	373.	N/A	Stage, Müller, et al., 1953	Based on data from 347. to 532. K.
12.7	398.	N/A	Stage, Müller, et al., 1953	Based on data from 347. to 532. K.
12.2	423.	N/A	Stage, Müller, et al., 1953	Based on data from 347. to 532. K.
11.2	473.	N/A	Stage, Müller, et al., 1953	Based on data from 347. to 532. K.

References

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Verevkin, 1999
Verevkin, S.P., Thermochemistry of phenols: quantification of theortho-,para-, andmeta-interactions in tert-alkyl substituted phenols, The Journal of Chemical Thermodynamics, 1999, 31, 5, 559-585, https://doi.org/10.1006/jcht.1998.0459 . [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]

Aihara, 1960
Aihara, Ariyuki, Estimation of the Energy of Hydrogen Bonds Formed in Crystals. II. Phenols, Bull. Chem. Soc. Jpn., 1960, 33, 2, 194-200, https://doi.org/10.1246/bcsj.33.194 . [all data]

Stage, Müller, et al., 1953
Stage, H.; Müller, E.; Faldix, P., Erdol u Kohle, 1953, 6, 375. [all data]

Notes

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Symbols used in this document:

Δ_vapH Enthalpy of vaporization

Δ_vapH° Enthalpy of vaporization at standard conditions
Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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Δ_vapH	Enthalpy of vaporization
Δ_vapH°	Enthalpy of vaporization at standard conditions