Naphthalene, 2,7-dimethyl-
- Formula: C12H12
- Molecular weight: 156.2237
- IUPAC Standard InChIKey: LRQYSMQNJLZKPS-UHFFFAOYSA-N
- CAS Registry Number: 582-16-1
- 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: 2,7-Dimethylnaphthalene
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Gas phase thermochemistry data
Go To: Top, IR Spectrum, Mass spectrum (electron ionization), 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | 19.0 ± 0.1 | kcal/mol | Ccb | Chirico, Knipmeyer, et al., 1993 | ALS |
Constant pressure heat capacity of gas
Cp,gas (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
11.9 | 50. | Thermodynamics Research Center, 1997 | p=1 bar.; GT |
18.2 | 100. | ||
23.8 | 150. | ||
29.85 | 200. | ||
39.87 | 273.15 | ||
43.40 | 298.15 | ||
43.67 | 300. | ||
57.34 | 400. | ||
69.07 | 500. | ||
78.70 | 600. | ||
86.59 | 700. | ||
93.12 | 800. | ||
98.59 | 900. | ||
103.2 | 1000. | ||
107. | 1100. | ||
110. | 1200. | ||
113. | 1300. | ||
116. | 1400. | ||
118. | 1500. |
IR Spectrum
Go To: Top, Gas phase thermochemistry data, Mass spectrum (electron ionization), Gas Chromatography, References, Notes
Data compiled by: Coblentz Society, Inc.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Mass spectrum (electron ionization)
Go To: Top, Gas phase thermochemistry data, IR Spectrum, 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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
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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 | CONTINENTAL OIL CO., PONCA CITY, OKLA., USA |
NIST MS number | 39301 |
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 | 120. | 1380.4 | Gerasimenko and Nabivach, 1997 | Column length: 50. m |
Capillary | OV-1 | 150. | 1400. | Zhang, Chen, et al., 1997 | 25. m/0.2 mm/0.33 μm, N2 |
Capillary | OV-1 | 150. | 1400. | Zhang, Chen, et al., 1997 | 25. m/0.2 mm/0.33 μm, N2 |
Capillary | OV-1 | 150. | 1401. | Zhang, Chen, et al., 1997 | 25. m/0.2 mm/0.33 μm, N2 |
Capillary | OV-1 | 160. | 1408. | Zhang, Chen, et al., 1997 | 25. m/0.2 mm/0.33 μm, N2 |
Capillary | SE-30 | 130. | 1389. | Bredael, 1982 | Column length: 100. m; Column diameter: 0.5 mm |
Capillary | SE-30 | 150. | 1400. | Bredael, 1982 | Column length: 100. m; Column diameter: 0.5 mm |
Capillary | OV-1 | 130. | 1390. | Engewald, Wennrich, et al., 1979 | Column length: 50. m; Column diameter: 0.23 mm |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-5 | 1392.1 | Song, Lai, et al., 2003 | 30. m/0.25 mm/0.25 μm, He, 2. K/min; Tstart: 40. C; Tend: 310. C |
Capillary | DB-5 | 1402.2 | Song, Lai, et al., 2003 | 30. m/0.25 mm/0.25 μm, He, 4. K/min; Tstart: 40. C; Tend: 310. C |
Capillary | DB-5 | 1409.5 | Song, Lai, et al., 2003 | 30. m/0.25 mm/0.25 μm, He, 6. K/min; Tstart: 40. C; Tend: 310. C |
Capillary | DB-5 | 1392.1 | Lai and Song, 1995 | 30. m/0.25 mm/0.25 μm, He, 2. K/min; Tstart: 40. C; Tend: 310. C |
Capillary | DB-5 | 1402.2 | Lai and Song, 1995 | 30. m/0.25 mm/0.25 μm, He, 4. K/min; Tstart: 40. C; Tend: 310. C |
Capillary | DB-5 | 1409.5 | Lai and Song, 1995 | 30. m/0.25 mm/0.25 μm, He, 6. K/min; Tstart: 40. C; Tend: 310. C |
Van Den Dool and Kratz RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | HP-5 | 1400.2 | Sandercock and du Pasquier, 2003 | 30. m/0.25 mm/0.25 μm, He; Program: 40C(3min) => 4C/min => 208C => 25C/min => 290C(5min) |
Normal alkane RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Packed | Polydimethyl siloxane | 147. | 1400. | Ferrand, 1962 |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | OV-1 | 1390.1 | Dimov, Osman, et al., 1994 | Program: not specified |
Capillary | OV-1, SE-30, Methyl silicone, SP-2100, OV-101, DB-1, etc. | 1389. | Waggott and Davies, 1984 | Hydrogen; Column length: 50. m; Column diameter: 0.32 mm; Program: not specified |
Lee's RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-5MS | 240.99 | Sun, Zhou, et al., 2008 | 30. m/0.25 mm/0.25 μm, 50. C @ 2. min, 6. K/min, 300. C @ 16. min |
Capillary | 5 % Phenyl methyl siloxane | 237.71 | Skrbic and Onjia, 2006 | 2. K/min; Tstart: 50. C; Tend: 250. C |
Capillary | PTE-5 | 240.56 | Wang, Jia, et al., 2000 | 30. m/0.25 mm/0.25 μm, 60. C @ 1.5 min, 8. K/min, 300. C @ 12.5 min |
Capillary | DB-5 | 240.04 | Williams and Horne, 1995 | He, 60. C @ 2. min, 5. K/min; Column length: 25. m; Column diameter: 0.3 mm; Tend: 270. C |
Capillary | CP Sil 8 CB | 240.5 | Bundt, Herbel, et al., 1991 | 50. m/0.25 mm/0.25 μm, He, 4. K/min; Tstart: 80. C; Tend: 300. C |
Capillary | SE-52 | 240.28 | 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 | 237.71 | Lee, Vassilaros, et al., 1979 | 12. m/0.3 mm/0.34 μm, He, 2. K/min; Tstart: 50. C; Tend: 250. C |
Lee's RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-5MS | 240.3 | Aracil, Font, et al., 2005 | Column length: 60. m; Column diameter: 0.25 mm; Program: not specified |
Capillary | Ultra-1 | 237.7 | Sremac, Skrbic, et al., 2005 | 50. m/0.32 mm/0.50 μm, Nitrogen; Program: 40-100 0C 3-15 0C/min -> 290 0C |
Capillary | HP-5 | 241.13 | Sandercock and du Pasquier, 2003 | 30. m/0.25 mm/0.25 μm, He; Program: 40C(3min) => 4C/min => 208C => 25C/min => 290C(5min) |
Capillary | CP Sil 8 CB | 240.3 | Bundt, Herbel, et al., 1991 | 50. m/0.25 mm/0.25 μm, He; Program: not specified |
Capillary | CP Sil 8 CB | 240.5 | Bundt, Herbel, et al., 1991 | 50. m/0.25 mm/0.25 μm, He; Program: not specified |
References
Go To: Top, Gas phase thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Chirico, Knipmeyer, et al., 1993
Chirico, R.D.; Knipmeyer, S.E.; Nguyen, A.; Steele, W.V.,
The thermodynamic properties to the temperature 700 K of naphthalene and of 2,7-dimethylnaphthalene,
J. Chem. Thermodyn., 1993, 25, 1461-1494. [all data]
Thermodynamics Research Center, 1997
Thermodynamics Research Center,
Selected Values of Properties of Chemical Compounds., Thermodynamics Research Center, Texas A&M University, College Station, Texas, 1997. [all data]
Gerasimenko and Nabivach, 1997
Gerasimenko, V.A.; Nabivach, V.M.,
Sorption-structure correlations in the series of alkyl derivatives of naphthalene,
J. Anal. Chem. USSR (Engl. Transl.), 1997, 52, 1, 21-27. [all data]
Zhang, Chen, et al., 1997
Zhang, M.; Chen, B.; Shen, S.; Chen, S.,
Compositional studies of high-temperature coal tar by g.c.-FT-i.r. analysis of middle oil fractions,
Fuel, 1997, 76, 5, 415-423, https://doi.org/10.1016/S0016-2361(97)85518-4
. [all data]
Bredael, 1982
Bredael, P.,
Retention indices of hydrocarbons on SE-30,
J. Hi. Res. Chromatogr. Chromatogr. Comm., 1982, 5, 6, 325-328, https://doi.org/10.1002/jhrc.1240050610
. [all data]
Engewald, Wennrich, et al., 1979
Engewald, W.; Wennrich, L.; Ritter, E.,
Molekülstruktur und Retentionsverhalten. XII. Zur Retention von Alkylnaphthalinen Bei der Gasverteilungs- und Gas-Adsorptions-Chromatographie,
J. Chromatogr., 1979, 174, 2, 315-323, https://doi.org/10.1016/S0021-9673(00)86005-7
. [all data]
Song, Lai, et al., 2003
Song, C.; Lai, W.-C.; Madhusudan Reddy, K.; Wei, B.,
Chapter 7. Temperature-programmed retention indices for GC and GC-MS of hydrocarbon fuels and simulated distillation GC of heavy oils
in Analytical advances for hydrocarbon research, Hsu,C.S., ed(s)., Kluwer Academic/Plenum Publishers, New York, 2003, 147-193. [all data]
Lai and Song, 1995
Lai, W.-C.; Song, C.,
Temperature-programmed retention indices for g.c. and g.c.-m.s. analysis of coal- and petroleum-derived liquid fuels,
Fuel, 1995, 74, 10, 1436-1451, https://doi.org/10.1016/0016-2361(95)00108-H
. [all data]
Sandercock and du Pasquier, 2003
Sandercock, P.M.L.; du Pasquier, E.,
Chemical fingerprinting of unevaporated automotive gasoline samples,
Forensic Sci. Int., 2003, 134, 1, 1-10, https://doi.org/10.1016/S0379-0738(03)00081-1
. [all data]
Ferrand, 1962
Ferrand, R.,
Gas phase chromatography using retention indices for the analysis of tars and their hydrogenation products,
Journees internationales d'etude des methodes de separation immediate at de chromatographie; Org. sur l'initiative du IX., 1962, 132-140. [all data]
Dimov, Osman, et al., 1994
Dimov, N.; Osman, A.; Mekenyan, Ov.; Papazova, D.,
Selection of moelcular descriptors used in quantitative structure-gas chromatographic retention relationships. I. Application to alkylbenzenes and naphthalenes,
Anal. Chim. Acta., 1994, 298, 3, 303-317, https://doi.org/10.1016/0003-2670(94)00280-0
. [all data]
Waggott and Davies, 1984
Waggott, A.; Davies, I.W.,
Identification of organic pollutants using linear temperature programmed retention indices (LTPRIs) - Part II, 1984, retrieved from http://dwi.defra.gov.uk/research/completed-research/reports/dwi0383.pdf. [all data]
Sun, Zhou, et al., 2008
Sun, P.; Zhou, Q.; Li, G.; Wang, X.; Zhao, Y.; Cao, L.,
fingerprint analysis of polycyclic aromatic hydrocarbons in crude oil by internal standard method,
J. Instrumental Anal., 2008, 27, 4, 344-348. [all data]
Skrbic and Onjia, 2006
Skrbic, B.; Onjia, A.,
Prediction of Lee Retention Indices of Polycyclic Aromatic Hydrocarbons by Artificial Neural Networks,
J. Chromatorg. A, 2006, 1108, 2, 279-284, https://doi.org/10.1016/j.chroma.2006.01.080
. [all data]
Wang, Jia, et al., 2000
Wang, J.; Jia, C.R.; Wong, C.K.; Wong, P.K.,
Characterization of polycyclic aromatic hydrocarbons created in lubricating oils,
Water Air Soil Poll., 2000, 120, 3/4, 381-396, https://doi.org/10.1023/A:1005251618062
. [all data]
Williams and Horne, 1995
Williams, P.T.; Horne, P.A.,
Analysis of aromatic hydrocarbons in pyrolytic oil derived from biomass,
J. Anal. Appl. Pyrolysis, 1995, 31, 15-37, https://doi.org/10.1016/0165-2370(94)00814-H
. [all data]
Bundt, Herbel, et al., 1991
Bundt, J.; Herbel, W.; Steinhart, H.; Franke, S.; Francke, W.,
Structure-type separation of diesel fuels by solid phase extraction and identification of the two- and three-ring aromatics by capillary GC-mass spectrometry,
J. Hi. Res. Chromatogr., 1991, 14, 2, 91-98, https://doi.org/10.1002/jhrc.1240140205
. [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]
Aracil, Font, et al., 2005
Aracil, I.; Font, R.; Conesa, J.A.,
Semivolatile and volatile compounds from the pyrolysis and combustion of polyvinyl chloride,
J. Anal. Appl. Pyrolysis, 2005, 74, 1-2, 465-478, https://doi.org/10.1016/j.jaap.2004.09.008
. [all data]
Sremac, Skrbic, et al., 2005
Sremac, S.; Skrbic, B.; Onjia, A.,
Artificial neural network prediction of quantitative structure-retention relationships of polycyclic aromatic hydrocarbons in gas chromatography,
J. Serb. Chem. Soc., 2005, 70, 11, 1291-1300, https://doi.org/10.2298/JSC0511291S
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, References
- Symbols used in this document:
Cp,gas Constant pressure heat capacity of gas ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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