Benzene, 1,4-bis(1,1-dimethylethyl)-
- Formula: C14H22
- Molecular weight: 190.3245
- IUPAC Standard InChIKey: OOWNNCMFKFBNOF-UHFFFAOYSA-N
- CAS Registry Number: 1012-72-2
- 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: Benzene, p-di-tert-butyl-; p-Di-tert-butylbenzene; 1,4-Di-tert-butylbenzene; Benzene, 1,4-bis-(tert-butyl)
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Condensed 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°liquid | -188.9 ± 1.5 | kJ/mol | Eqk | Nesterova, Verevkin, et al., 1984 | GLC |
Phase change 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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 508.15 | K | N/A | Malishev, 1935 | Uncertainty assigned by TRC = 2. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 351. ± 6. | K | AVG | N/A | Average of 10 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 350.8 | K | N/A | Steele, Chirico, et al., 1997 | Uncertainty assigned by TRC = 0.3 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 708. | K | N/A | Steele, Chirico, et al., 1997 | Uncertainty assigned by TRC = 2. K; derived from fit of obs. vapor pressure; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 23.00 | bar | N/A | Steele, Chirico, et al., 1997 | Uncertainty assigned by TRC = 2.00 bar; derived from fit of obs. vapor pressure; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ρc | 1.37 | mol/l | N/A | Steele, Chirico, et al., 1997 | Uncertainty assigned by TRC = 0.079 mol/l; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 63.0 ± 0.1 | kJ/mol | EB,IP | Chirico and Steele, 2009 | Based on data from 319. to 559. K.; AC |
ΔvapH° | 61.4 ± 0.3 | kJ/mol | GS | Verevkin, Kozlova, et al., 2008 | Based on data from 354. to 382. K.; AC |
ΔvapH° | 63.0 ± 0.6 | kJ/mol | EB | Steele, Chirico, et al., 1997, 2 | Based on data from 387. to 559. K.; AC |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 82.8 ± 0.4 | kJ/mol | N/A | Verevkin, 1998 | AC |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
55.8 ± 0.1 | 360. | EB,IP | Chirico and Steele, 2009 | Based on data from 319. to 559. K.; AC |
54.6 ± 0.1 | 400. | EB,IP | Chirico and Steele, 2009 | Based on data from 319. to 559. K.; AC |
61.4 ± 0.1 | 440. | EB,IP | Chirico and Steele, 2009 | Based on data from 319. to 559. K.; AC |
46.4 ± 0.2 | 480. | EB,IP | Chirico and Steele, 2009 | Based on data from 319. to 559. K.; AC |
44.6 ± 0.3 | 520. | EB,IP[ | Chirico and Steele, 2009 | Based on data from 319. to 559. K.; AC |
Enthalpy of sublimation
ΔsubH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
82.1 ± 0.4 | 310. | T | Verevkin, 1998 | Based on data from 288. to 333. K.; AC |
82.8 | 305. | ME | Hopke and Sears, 1951 | Based on data from 285. to 325. K. See also Stephenson and Malanowski, 1987.; AC |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
8.2 | 350.8 | AC,DSC | Chirico and Steele, 2009 | AC |
22.48 | 341.5 | N/A | Steele, Chirico, et al., 1997, 2 | AC |
IR Spectrum
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Data compiled by: Coblentz Society, Inc.
- Not specified, most likely a prism, grating, or hybrid spectrometer.; (NO SPECTRUM, ONLY SCANNED IMAGE IS AVAILABLE)
- SOLUTION (10% CCl4 FOR 3800-1330, 10% CS2 FOR 1330-400 CM-1); DOW KBr FOREPRISM-GRATING; DIGITIZED BY COBLENTZ SOCIETY (BATCH I) FROM HARD COPY; 2 cm-1 resolution
Mass spectrum (electron ionization)
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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 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 | NIST Mass Spectrometry Data Center, 1990. |
NIST MS number | 114167 |
UV/Visible spectrum
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Spectrum
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Additional Data
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Source | Lang (editor), 1967 |
---|---|
Owner | INEP CP RAS, NIST OSRD Collection (C) 2007 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
Origin | INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS |
Source reference | RAS UV No. 19127 |
Instrument | Spekromom 201 |
Melting point | 78 |
Gas Chromatography
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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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Kovats' RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | Squalane | 100. | 1281. | Engewald and Wennrich, 1976 | N2; Column length: 100. m; Column diameter: 0.23 mm |
Packed | SE-30 | 150. | 1298. | Shlyakhov, Anvaer, et al., 1975 | |
Packed | SE-30 | 200. | 1314. | Shlyakhov, Anvaer, et al., 1975 | |
Packed | Apiezon L | 150. | 1319. | Shlyakhov, Anvaer, et al., 1975 |
Kovats' RI, polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | Carbowax 20M | 100. | 1495.1 | Engewald and Wennrich, 1976 | N2; Column length: 100. m; Column diameter: 0.23 mm |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | SPB-5 | 1264. | Poligné, Collignan, et al., 2001 | 60. m/0.32 mm/1. μm, He, 3. K/min; Tstart: 40. C; Tend: 200. C |
Normal alkane RI, polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | PEG-40M | 100. | 1515. | Nesterov, Nesterova, et al., 2000 | Column length: 50. m |
Capillary | PEG-40M | 100. | 1516. | Nesterov, Nesterova, et al., 2000 | Column length: 50. m |
Capillary | PEG-40M | 120. | 1528. | Nesterov, Nesterova, et al., 2000 | Column length: 50. m |
Capillary | PEG-40M | 140. | 1540. | Nesterov, Nesterova, et al., 2000 | Column length: 50. m |
Capillary | PEG-40M | 160. | 1552. | Nesterov, Nesterova, et al., 2000 | Column length: 50. m |
Capillary | PEG-40M | 80. | 1504. | Nesterov, Nesterova, et al., 2000 | Column length: 50. m |
Capillary | Carbowax 20M | 90. | 1488. | Sutter, Peterson, et al., 1997 |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Carbowax 20M | 1488. | Ivanciuc, Ivanciuc, et al., 2001 | Program: not specified |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible spectrum, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Nesterova, Verevkin, et al., 1984
Nesterova, T.N.; Verevkin, S.R.; Karaseva, S.Ya.; Rozhnov, A.M.; Tsvetkov, V.F.,
The equilibria in the interconversions of t-butylbenzenes,
Russ. J. Phys. Chem. (Engl. Transl.), 1984, 58, 297-298. [all data]
Malishev, 1935
Malishev, B.W.,
Direct Alkylation of Aromatic Hydrocarbons by Olefins Under Catalytic Influence of Phosphorous Pentoxide,
J. Am. Chem. Soc., 1935, 57, 883. [all data]
Steele, Chirico, et al., 1997
Steele, W.V.; Chirico, R.D.; Knipmeyer, S.E.; Nguyen, A.,
Vapor Pressure, Heat Capacity, and Density along the Saturted Line, Measurements for Cyclohexanol, 2-Cyclohexen-1-one, 1,2-Dichloropropane, 1,4-Di-tert-butylbenzene, (±)-2-Ethylhexanoic Acid, 1-(m,
J. Chem. Eng. Data, 1997, 42, 1021-36. [all data]
Chirico and Steele, 2009
Chirico, Robert D.; Steele, William V.,
Thermodynamic properties of tert-butylbenzene and 1,4-di-tert-butylbenzene,
The Journal of Chemical Thermodynamics, 2009, 41, 3, 392-401, https://doi.org/10.1016/j.jct.2008.10.008
. [all data]
Verevkin, Kozlova, et al., 2008
Verevkin, Sergey P.; Kozlova, Svetlana A.; Emel'yanenko, Vladimir N.; Goodrich, Peter; Hardacre, Christopher,
Thermochemistry of Ionic Liquid-Catalyzed Reactions. Experimental and Theoretical Study of Chemical Equilibria of Isomerization and Transalkylation of tert -Butylbenzenes,
J. Phys. Chem. A, 2008, 112, 44, 11273-11282, https://doi.org/10.1021/jp806410x
. [all data]
Steele, Chirico, et al., 1997, 2
Steele, W.V.; Chirico, R.D.; Knipmeyer, S.E.; Nguyen, A.,
Vapor Pressure, Heat Capacity, and Density along the Saturation Line, Measurements for Cyclohexanol, 2-Cyclohexen-1-one, 1,2-Dichloropropane, 1,4-Di- tert -butylbenzene, (±)-2-Ethylhexanoic Acid, 2-(Methylamino)ethanol, Perfluoro- n -heptane, and Sulfolane,
J. Chem. Eng. Data, 1997, 42, 6, 1021-1036, https://doi.org/10.1021/je9701036
. [all data]
Verevkin, 1998
Verevkin, Sergey P.,
Thermochemical properties of branched alkylsubstituted benzenes,
The Journal of Chemical Thermodynamics, 1998, 30, 8, 1029-1040, https://doi.org/10.1006/jcht.1998.0370
. [all data]
Hopke and Sears, 1951
Hopke, E.R.; Sears, G.W.,
Vapor Pressures below 1 mm Hg of Several Aromatic Compounds,
J. Chem. Phys., 1951, 19, 11, 1345, https://doi.org/10.1063/1.1748057
. [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]
Lang (editor), 1967
Lang (editor), L.,
Absorption Spectra in the Ultraviolet and Visible Region, 1967, 8, 63. [all data]
Engewald and Wennrich, 1976
Engewald, W.; Wennrich, L.,
Molekülstruktur und Retentionsverhalten. VIII. Zum Retentionsverhalten höherer Alkylbenzole bei der Gas-Verteilungs-Chromatographie,
Chromatographia, 1976, 9, 11, 540-547, https://doi.org/10.1007/BF02275960
. [all data]
Shlyakhov, Anvaer, et al., 1975
Shlyakhov, A.F.; Anvaer, B.I.; Zolotareva, O.V.; Romina, N.N.; Novikova, N.V.; Koreshkova, R.I.,
On the possibility of group indentification of hydrocarbons by gas chromatography from temperature coefficients of retention indices,
Zh. Anal. Khim., 1975, 30, 788-792. [all data]
Poligné, Collignan, et al., 2001
Poligné, I.; Collignan, A.; Trystram, G.,
Characterization of traditional processing of pork meat into boucané,
Meat Sci., 2001, 59, 4, 377-389, https://doi.org/10.1016/S0309-1740(01)00090-0
. [all data]
Nesterov, Nesterova, et al., 2000
Nesterov, I.A.; Nesterova, T.N.; Pimerzin, A.A.; Tsvetkov, V.S.,
Thermodynamics of alkylbenzene sorption and evaporation. IV. Enthalpies of evaporation and thermodynamics chracteristics of sorption by stationary phases OV-101 and PEG-40M,
Izvestia vysshikh uchebnykh zavedenii. Khimia i khimicheskaia tekhnologia (Chemistry and chemical technology), 2000, 43, 4, 39-45. [all data]
Sutter, Peterson, et al., 1997
Sutter, J.M.; Peterson, T.A.; Jurs, P.C.,
Prediction of gas chromatographic retention indices of alkylbenzenes,
Anal. Chim. Acta., 1997, 342, 2-3, 113-122, https://doi.org/10.1016/S0003-2670(96)00578-8
. [all data]
Ivanciuc, Ivanciuc, et al., 2001
Ivanciuc, O.; Ivanciuc, T.; Klein, D.J.; Seitz, W.A.; Balaban, A.T.,
Quantitative structure-retention relationships for gas chromatographic retention indices of alkylbenzenes with molecular graph descriptors,
SAR QSAR Environ. Res., 2001, 11, 5-6, 419-452, https://doi.org/10.1080/10629360108035362
. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible spectrum, Gas Chromatography, References
- Symbols used in this document:
Pc Critical pressure Tboil Boiling point Tc Critical temperature Tfus Fusion (melting) point Ttriple Triple point temperature ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔfusH Enthalpy of fusion ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions ρc Critical density - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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