Quinoline, 2,6-dimethyl-
- Formula: C11H11N
- Molecular weight: 157.2117
- IUPAC Standard InChIKey: JJPSZKIOGBRMHK-UHFFFAOYSA-N
- CAS Registry Number: 877-43-0
- 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: p-Toluquinaldine; 2,6-Dimethylquinoline; 6-Methylquinaldine
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Gas 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°gas | 120.9 ± 2.9 | kJ/mol | Ccb | Ribeiro da Silva, Matos, et al., 1995 |
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°solid | 36.4 ± 2.9 | kJ/mol | Ccb | Ribeiro da Silva, Matos, et al., 1995 | |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -5937.1 ± 2.0 | kJ/mol | Ccb | Ribeiro da Silva, Matos, et al., 1995 |
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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 539.7 | K | N/A | Weast and Grasselli, 1989 | BS |
Tboil | 538.55 | K | N/A | Malanowska and Wecsile, 1964 | Uncertainty assigned by TRC = 0.06 K; TRC |
Tboil | 539.15 | K | N/A | Le Fevre and Le Fevre, 1935 | Uncertainty assigned by TRC = 1. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 332. ± 2. | K | AVG | N/A | Average of 6 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 67.1 ± 0.2 | kJ/mol | IP,EB | Chirico, Johnson, et al., 2007 | Based on data from 337. to 591. K.; AC |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 84.5 ± 1.5 | kJ/mol | V | Ribeiro da Silva, Matos, et al., 1995 | ALS |
ΔsubH° | 84.5 | kJ/mol | N/A | Ribeiro da Silva, Matos, et al., 1995 | DRB |
ΔsubH° | 84.5 ± 1.5 | kJ/mol | C | Ribeiro da Silva, 1995 | AC |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
64.0 ± 0.1 | 340. | IP,EB | Chirico, Johnson, et al., 2007 | Based on data from 337. to 591. K.; AC |
61.1 ± 0.1 | 380. | IP,EB | Chirico, Johnson, et al., 2007 | Based on data from 337. to 591. K.; AC |
58.4 ± 0.1 | 420. | IP,EB | Chirico, Johnson, et al., 2007 | Based on data from 337. to 591. K.; AC |
55.7 ± 0.1 | 460. | IPEB | Chirico, Johnson, et al., 2007 | Based on data from 337. to 591. K.; AC |
53.0 ± 0.1 | 500. | IP,EB | Chirico, Johnson, et al., 2007 | Based on data from 337. to 591. K.; AC |
50.0 ± 0.2 | 540. | IP,EB | Chirico, Johnson, et al., 2007 | Based on data from 337. to 591. K.; AC |
46.8 ± 0.4 | 580. | IP,EB | Chirico, Johnson, et al., 2007 | Based on data from 337. to 591. K.; AC |
55.7 | 476. | A | Stephenson and Malanowski, 1987 | Based on data from 461. to 541. K.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
461.61 to 539.44 | 4.03965 | 1735.613 | -108.278 | Malanowska and Wecsile, 1964, 2 | Coefficents calculated by NIST from author's data. |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
20.4 | 330.8 | AC,DSC | Chirico, Johnson, et al., 2007 | AC |
IR 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.
Data compiled by: Coblentz Society, Inc.
Condensed Phase Spectrum
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Notice: Except where noted, spectra from this collection were measured on dispersive instruments, often in carefully selected solvents, and hence may differ in detail from measurements on FTIR instruments or in other chemical environments. More information on the manner in which spectra in this collection were collected can be found here.
Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.
Additional Data
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Owner | COBLENTZ SOCIETY Collection (C) 2018 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | WYANDOTTE CHEMICALS CORP. |
Source reference | COBLENTZ NO. 6451 |
Date | Not specified, most likely prior to 1970 |
Name(s) | 2,6-dimethylquinoline |
State | SOLUTION (CCl4 FOR 2-10.1, CS2 FOR 10.1-16 MICRON) |
Instrument | BAIRD (PRISM) |
Instrument parameters | NaCl PRISM |
Path length | 0.010 CM, 0.010 CM SPECTRAL CONTAMINATION DUE TO AN UNKNOWN AROUND 1700 CM-1 |
Resolution | 2 |
Sampling procedure | TRANSMISSION |
Data processing | DIGITIZED BY NIST FROM HARD COPY |
Melting point | 57.5 C |
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 | Japan AIST/NIMC Database- Spectrum MS-NW-3208 |
NIST MS number | 227668 |
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 | Ono, et al., 1986 |
---|---|
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. 16997 |
Instrument | Hitachi 139 |
Melting point | 266.5 |
Boiling point | 60 |
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 | OV-101 | 140. | 1397. | Dmitrikov and Nabivach, 1995 | He |
Capillary | OV-101 | 160. | 1414. | Dmitrikov and Nabivach, 1995 | He |
Capillary | OV-101 | 140. | 1397. | Berlizov, Nabivach, et al., 1987 | N2; Column length: 50. m; Column diameter: 0.22 mm |
Capillary | OV-101 | 160. | 1414. | Berlizov, Nabivach, et al., 1987 | N2; Column length: 50. m; Column diameter: 0.22 mm |
Capillary | OV-101 | 150. | 1399. | Morishita, Morimoto, et al., 1986 | N2; Column length: 20. m; Column diameter: 0.23 mm |
Kovats' RI, polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | PEG-20M | 140. | 2019. | Dmitrikov and Nabivach, 1995 | He |
Capillary | PEG-20M | 160. | 2044. | Dmitrikov and Nabivach, 1995 | He |
Capillary | PEG-20M | 140. | 2019. | Berlizov, Nabivach, et al., 1987 | N2; Column length: 30. m; Column diameter: 0.25 mm |
Capillary | PEG-20M | 160. | 2044. | Berlizov, Nabivach, et al., 1987 | N2; Column length: 30. m; Column diameter: 0.25 mm |
Capillary | PEG-20M | 140. | 2019. | Buryan, Macák, et al., 1987 | N2; Column length: 30. m; Column diameter: 0.25 mm |
Capillary | PEG-20M | 160. | 2044. | Buryan, Macák, et al., 1987 | N2; Column length: 30. m; Column diameter: 0.25 mm |
Capillary | PEG-20M | 150. | 2036. | Morishita, Morimoto, et al., 1986 | N2; Column length: 20. m; Column diameter: 0.23 mm |
Lee's RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-5 | 243.76 | 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 | 244.19 | Vassilaros, Kong, et al., 1982 | 20. m/0.30 mm/0.25 μm, H2, 40. C @ 2. min, 4. K/min; Tend: 265. C |
Capillary | SE-52 | 242.43 | 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, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible spectrum, Gas Chromatography, NIST Subscription Links, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Ribeiro da Silva, Matos, et al., 1995
Ribeiro da Silva, M.A.V.; Matos, M.A.R.; Amaral, L.M.P.F.,
Standard enthalpies of formation and of sublimation of 2,6-dimethylquinoline and 2,7-dimethylquinoline,
J. Chem. Thermodyn., 1995, 27, 1141-1145. [all data]
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]
Malanowska and Wecsile, 1964
Malanowska, B.; Wecsile, J.,
Vapour pressures and boiling temperatures of some quinoline bases.,
Bull. Acad. Pol. Sci., Ser. Sci. Chim., 1964, 12, 239. [all data]
Le Fevre and Le Fevre, 1935
Le Fevre, C.G.; Le Fevre, R.J.W.,
The dipole moments and structures of some quinoline derivatives, and the orientation of Claus and Hoffmann's x-nitroisoquinoline,
J. Chem. Soc., 1935, 1935, 1470-5. [all data]
Chirico, Johnson, et al., 2007
Chirico, Robert D.; Johnson, Russell D.; Steele, William V.,
Thermodynamic properties of methylquinolines: Experimental results for 2,6-dimethylquinoline and mutual validation between experiments and computational methods for methylquinolines,
The Journal of Chemical Thermodynamics, 2007, 39, 5, 698-711, https://doi.org/10.1016/j.jct.2006.10.012
. [all data]
Ribeiro da Silva, 1995
Ribeiro da Silva, M.,
Standard enthalpies of formation and of sublimation of 2,6-dimethylquinoline and 2,7-dimethylquinoline,
The Journal of Chemical Thermodynamics, 1995, 27, 10, 1141-1145, https://doi.org/10.1006/jcht.1995.0118
. [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]
Malanowska and Wecsile, 1964, 2
Malanowska, B.; Wecsile, J.,
Vapour Pressures and Boiling Temperatures of Some Quinoline Bases,
Bull. Acad. Pol. Sci. Ser. Sci. Chim., 1964, 12, 4, 239-241. [all data]
Ono, et al., 1986
Ono, M., et al.,
Chem. Pharm. Bull., 1986, 34, 1468. [all data]
Dmitrikov and Nabivach, 1995
Dmitrikov, V.P.; Nabivach, V.M.,
Physico-chemical regularities of quinoline bases retention in gas chromatography,
Coke Chem. (Engl. Transl.), 1995, 8, 27-34. [all data]
Berlizov, Nabivach, et al., 1987
Berlizov, Yu.S.; Nabivach, V.M.; Mitrikov, V.P.,
Capillary gas chromatography of alkylquinolines,
Zh. Anal. Khim., 1987, 62, 6, 1119-1124. [all data]
Morishita, Morimoto, et al., 1986
Morishita, F.; Morimoto, S.; Kojima, T.,
Prediction of molecular structures of aza-arenes by retention indices and fluorescence spectra,
J. Hi. Res. Chromatogr. Chromatogr. Comm., 1986, 9, 11, 688-692, https://doi.org/10.1002/jhrc.1240091120
. [all data]
Buryan, Macák, et al., 1987
Buryan, P.; Macák, J.; Triska, J.; Vodicka, L.; Berlizov, Yu.S.; Dmitrikov, V.P.; Nabivach, V.M.,
Kováts retention indices of alkylquinolines on capillary columns,
J. Chromatogr., 1987, 391, 89-96, https://doi.org/10.1016/S0021-9673(01)94307-9
. [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]
Vassilaros, Kong, et al., 1982
Vassilaros, D.L.; Kong, R.C.; Later, D.W.; Lee, M.L.,
Linear retention index system for polycyclic aromatic compounds. Critical evaluation and additional indices,
J. Chromatogr., 1982, 252, 1-20, https://doi.org/10.1016/S0021-9673(01)88394-1
. [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
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- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions ΔfusH Enthalpy of fusion ΔsubH° Enthalpy of sublimation at standard conditions ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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