2,2'-Dimethylbiphenyl
- Formula: C14H14
- Molecular weight: 182.2610
- IUPAC Standard InChIKey: ABMKWMASVFVTMD-UHFFFAOYSA-N
- CAS Registry Number: 605-39-0
- 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: 1,1'-Biphenyl, 2,2'-dimethyl-; O,O'-Bitolyl; 2,2'-Dimethyl-1,1'-biphenyl; 2,2'-Ditolyl; 1-Methyl-2-(2'-methylphenyl)benzene; 2,2'-Bitolyl; O,O'-Bitoluene; Diphenyl, 2,2'-dimethyl
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Condensed phase thermochemistry data
Go To: Top, Phase change data, Gas Chromatography, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
S°liquid | 332.60 | J/mol*K | N/A | Chirico, Hossenloop, et al., 1987 |
Constant pressure heat capacity of liquid
Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
298.06 | 298.15 | Chirico, Hossenloop, et al., 1987 | T = 10 to 400 K. |
Phase change data
Go To: Top, Condensed phase thermochemistry data, Gas Chromatography, References, Notes
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
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 531. | K | N/A | Castro, Andrews, et al., 1958 | Uncertainty assigned by TRC = 4. K; TRC |
Tboil | 531. | K | N/A | Blades, Blades, et al., 1954 | Uncertainty assigned by TRC = 4. K; TRC |
Tboil | 531. | K | N/A | Berger, 1932 | Uncertainty assigned by TRC = 3. K; TRC |
Tboil | 531. | K | N/A | Mayer and Freitak, 1921 | Uncertainty assigned by TRC = 4. K; TRC |
Tboil | 530. | K | N/A | Meyer and Hoffman, 1916 | Uncertainty assigned by TRC = 4. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 320. ± 100. | K | AVG | N/A | Average of 10 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 293.090 | K | N/A | Chirico, Hossenlopp, et al., 1987 | Uncertainty assigned by TRC = 0.01 K; TRC |
Enthalpy of sublimation
ΔsubH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
65.7 | 285. | ME | Pribilová and Pouchlý, 1974 | Based on data from 283. to 288. K. See also Stephenson and Malanowski, 1987.; AC |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
2.2799 | 293.091 | Chirico, Hossenloop, et al., 1987 | DH |
2.28 | 293.1 | Domalski and Hearing, 1996 | AC |
Entropy of fusion
ΔfusS (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
7.78 | 293.091 | Chirico, Hossenloop, et al., 1987 | DH |
Gas Chromatography
Go To: Top, Condensed phase thermochemistry data, Phase change data, References, Notes
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 |
---|---|---|---|---|---|
Packed | Apiezon L | 170. | 1546. | Kríz, Popl, et al., 1974 |
Kovats' RI, polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | SP-1000 | 185. | 1950. | Kríz, Popl, et al., 1974 | N2; Column length: 50. m; Column diameter: 0.25 mm |
Capillary | SP-1000 | 200. | 1916. | Kríz, Popl, et al., 1974 | N2; Column length: 50. m; Column diameter: 0.25 mm |
Lee's RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | HP-5 | 261.78 | Piao, Chu, et al., 1999 | 30. m/0.25 mm/0.25 μm, 50. C @ 2. min, 4. K/min, 280. C @ 20. min |
Capillary | DB-5 | 243.90 | Rostad and Pereira, 1986 | 30. m/0.26 mm/0.25 μm, He, 50. C @ 4. min, 6. K/min, 300. C @ 20. min |
Capillary | SE-52 | 241.94 | Lee, Vassilaros, et al., 1979 | 12. m/0.3 mm/0.34 μm, He, 2. K/min; Tstart: 50. C; Tend: 250. C |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Chirico, Hossenloop, et al., 1987
Chirico, R.D.; Hossenloop, I.A.; Nguyen, A.; Strube, M.M.; Steele, W.V.,
Thermodynamic studies related to the hydrogenation of phenanthrene,
NIPER Report, 1987, 247, 107p. [all data]
Castro, Andrews, et al., 1958
Castro, C.E.; Andrews, L.J.; Keefer, R.M.,
Molecular Complexes of Hindered Biphenyl Derivatives,
J. Am. Chem. Soc., 1958, 80, 2322-6. [all data]
Blades, Blades, et al., 1954
Blades, H.; Blades, A.; Steacie, E.W.R.,
The Kinetics of Pyrolysis of Toluene,
Can. J. Chem., 1954, 32, 298-311. [all data]
Berger, 1932
Berger, H.,
J. Prakt. Chem., 1932, 133, 331. [all data]
Mayer and Freitak, 1921
Mayer, F.; Freitak, K.,
Chem. Ber., 1921, 54, 347. [all data]
Meyer and Hoffman, 1916
Meyer; Hoffman,
Sitzungsber. Akad. Wiss. Wien, Math.-Naturwiss. Kl., Abt. 2B, 1916, 125, 449. [all data]
Chirico, Hossenlopp, et al., 1987
Chirico, R.D.; Hossenlopp, I.A.; Nguyen, A.; Steele, W.V.,
Thermochem. and Thermophys. Prop. of Organic Compounds Derived from Fossil Substances. Thermodynamic Studies Related to the Hydrogenation of Anthracene, Natl. Inst. Pet. Energy Res. Rep. NIPER-239, Bartlesvill- e, OK, 1987. [all data]
Pribilová and Pouchlý, 1974
Pribilová, J.; Pouchlý, J.,
Vapour pressure of some low-volatile hydrocarbons determined by the effusion method,
Collect. Czech. Chem. Commun., 1974, 39, 5, 1118-1124, https://doi.org/10.1135/cccc19741118
. [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]
Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D.,
Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III,
J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985
. [all data]
Kríz, Popl, et al., 1974
Kríz, J.; Popl, M.; Mostecký, J.,
Retention indices of biphenyls and diphenylalkanes,
J. Chromatogr., 1974, 97, 1, 3-13, https://doi.org/10.1016/S0021-9673(01)97577-6
. [all data]
Piao, Chu, et al., 1999
Piao, M.; Chu, S.; Zheng, M.; Xu, X.,
Characterization of the combustion products of polyethylene,
Chemosphere, 1999, 39, 9, 1497-1512, https://doi.org/10.1016/S0045-6535(99)00054-5
. [all data]
Rostad and Pereira, 1986
Rostad, C.E.; Pereira, W.E.,
Kovats and Lee retention indices determined by gas chromatography/mass spectrometry for organic compounds of environmental interest,
J. Hi. Res. Chromatogr. Chromatogr. Comm., 1986, 9, 6, 328-334, https://doi.org/10.1002/jhrc.1240090603
. [all data]
Lee, Vassilaros, et al., 1979
Lee, M.L.; Vassilaros, D.L.; White, C.M.; Novotny, M.,
Retention Indices for Programmed-Temperature Capillary-Column Gas Chromatography of Polycyclic Aromatic Hydrocarbons,
Anal. Chem., 1979, 51, 6, 768-773, https://doi.org/10.1021/ac50042a043
. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas Chromatography, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid S°liquid Entropy of liquid at standard conditions Tboil Boiling point Tfus Fusion (melting) point Ttriple Triple point temperature ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔsubH Enthalpy of sublimation - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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