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 ion energetics data
Go To: Top, Mass spectrum (electron ionization), UV/Visible 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 as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
7.89 ± 0.03 | PE | Heilbronner, Hoshi, et al., 1976 | Vertical value; LLK |
Mass spectrum (electron ionization)
Go To: Top, Gas phase ion energetics data, UV/Visible 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 |
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 | Kusakov, et al., 1963 |
---|---|
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. 20080 |
Instrument | unknown |
Melting point | 97 |
Boiling point | 265 |
Gas Chromatography
Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), UV/Visible spectrum, 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 |
---|---|---|---|---|---|
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 ion energetics data, 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.
Heilbronner, Hoshi, et al., 1976
Heilbronner, E.; Hoshi, T.; von Rosenberg, J.L.; Hafner, K.,
Alkyl-induced, natural hypsochromic shifts of the 2A←2X and 2B←2X transitions of azulene and naphthalene radical cations,
Nouv. J. Chim., 1976, 1, 105. [all data]
Kusakov, et al., 1963
Kusakov, M.M., et al.,
Ultraviolet Absorption Spectra of Aromatic Hydrocarbons, 1963, 244. [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 ion energetics data, Mass spectrum (electron ionization), UV/Visible spectrum, Gas Chromatography, References
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