2,2'-Dimethylbiphenyl
- Formula: C14H14
- Molecular weight: 182.2610
- IUPAC Standard InChI: InChI=1S/C14H14/c1-11-7-3-5-9-13(11)14-10-6-4-8-12(14)2/h3-10H,1-2H3
- 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
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Options:
Data at NIST subscription sites:
NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.
Phase change data
Go To: Top, 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 (kcal/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 15.7 | 285. | ME | Pribilová and Pouchlý, 1974 | Based on data from 283. - 288. K. See also Stephenson and Malanowski, 1987.; AC |
Enthalpy of fusion
| ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 0.54491 | 293.091 | Chirico, Hossenloop, et al., 1987 | DH |
| 0.545 | 293.1 | Domalski and Hearing, 1996 | AC |
Entropy of fusion
| ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 1.86 | 293.091 | Chirico, Hossenloop, et al., 1987 | DH |
References
Go To: Top, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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]
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]
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]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
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
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.