3-Methylcholanthrene

• Formula: C₂₁H₁₆
• Molecular weight: 268.3517
• IUPAC Standard InChI: InChI=1S/C21H16/c1-13-6-7-15-12-20-17-5-3-2-4-14(17)8-9-18(20)19-11-10-16(13)21(15)19/h2-9,12H,10-11H2,1H3 Copy

  
• IUPAC Standard InChIKey: PPQNQXQZIWHJRB-UHFFFAOYSA-N Copy
• CAS Registry Number: 56-49-5
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
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• Other names: Benz[j]aceanthrylene, 1,2-dihydro-3-methyl-; Cholanthrene, 3-methyl-; Methylcholanthrene; 20-Methylcholanthrene; 20-MC; 3-MC; 3-Methylcholanthrene-(20); MC; MCA; 3-MCA; Rcra waste number U157; 1,2-Dihydro-3-methylbenz[j]aceanthrylene; Cholanthrene, 20(3)-methyl; NSC 21970
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• Information on this page:
  • Phase change data
  • Gas phase ion energetics data
  • Mass spectrum (electron ionization)
  • Gas Chromatography
  • References
  • Notes
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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

Reduced pressure boiling point

Enthalpy of vaporization

Enthalpy of sublimation

Gas phase ion energetics 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: Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Ionization energy determinations

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

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

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Van Den Dool and Kratz RI, non-polar column, temperature ramp

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Van Den Dool and Kratz RI, non-polar column, custom temperature program

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Normal alkane RI, non-polar column, custom temperature program

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Lee's RI, non-polar column, isothermal

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Lee's RI, non-polar column, temperature ramp

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Lee's RI, non-polar column, custom temperature program

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References

Go To: Top, Phase change data, Gas phase ion energetics data, 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.

Kelley and Rice, 1964
Kelley, J.D.; Rice, F.O., The Vapor Presures of Some Polynumclear Aromatic Hydrocarbons, J. Phys. Chem., 1964, 68, 3794-6. [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]

Lei, Chankalal, et al., 2002
Lei, Ying Duan; Chankalal, Raymond; Chan, Anita; Wania, Frank, Supercooled Liquid Vapor Pressures of the Polycyclic Aromatic Hydrocarbons, J. Chem. Eng. Data, 2002, 47, 4, 801-806, https://doi.org/10.1021/je0155148 . [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]

Kelley and Rice, 1964, 2
Kelley, J. Daniel; Rice, Francis Owen, The Vapor Pressures of Some Polynuclear Aromatic Hydrocarbons ¹, J. Phys. Chem., 1964, 68, 12, 3794-3796, https://doi.org/10.1021/j100794a043 . [all data]

Kelley and Rice, 1964, 3
Kelley, J.D.; Rice, F.O., The vapor pressures of some polynuclear aromatic hydrocarbons, J. Phys. Chem., 1964, 68, 3794. [all data]

Slifkin and Allison, 1967
Slifkin, M.A.; Allison, A.C., Measurement of ionization potentials from contact charge transfer spectra, Nature, 1967, 215, 949. [all data]

Grimmer and Böhnke, 1976
Grimmer, G.; Böhnke, H., Anreicherung und gas-chromatographische Profil-Analyse der polycyclischen aromatischen Kohlenwasserstoffe in Schmieröl, Chromatographia, 1976, 9, 1, 30-40, https://doi.org/10.1007/BF02270595 . [all data]

Grimmer and Böhnke, 1975
Grimmer, G.; Böhnke, H., Polycyclic aromatic hydrocarbon profile analysis of high-protein foods, oils, and fats by gas chromatography, J. Ass. Offic. Anal. Chem, 1975, 58, 4, 725-733. [all data]

Grimmer and Böhnke, 1972
Grimmer, G.; Böhnke, H., Bestimmung des Gesamtgehaltes aller polycyclischen aromatischen Kohlenwasserstoffe in Luftstaub und Kraftfahrzeugabgas mit der Capillar-Gas-Chromatographie, Z. Anal. Chem., 1972, 261, 4-5, 310-314, https://doi.org/10.1007/BF00786987 . [all data]

Beernaert, 1979
Beernaert, H., Gas Chromatographic Analysis of Polyclylic Aromatic Hydrocarbons, J. Chromatogr., 1979, 173, 1, 109-118, https://doi.org/10.1016/S0021-9673(01)80450-7 . [all data]

Carugno and Rossi, 1967
Carugno, N.; Rossi, S., Evaluation of polynuclear hydrocarbons in cigarette smoke by glass capillary columns, J. Gas Chromatogr., 1967, 5, 2, 103-106, https://doi.org/10.1093/chromsci/5.2.103 . [all data]

Oda, Ichikawa, et al., 1996
Oda, J.; Ichikawa, S.; Mori, T., Analysis of polycyclic aromatic hydrocarbons in airborne particulates by capillary GC/MS method with programmed temperature relative retention index, Bunseki Kagaku, 1996, 45, 9, 825-835, https://doi.org/10.2116/bunsekikagaku.45.825 . [all data]

Oda, Yasuhara, et al., 1998
Oda, J.; Yasuhara, A.; Matsunaga, K.; Saito, Y., Identification of polycyclic aromatic hydrocarbons of the particulate accumulated in the tunnel duct of freeway and generation of their oxygenated derivatives, Jpn. J. Toxicol. Environ. Health, 1998, 44, 5, 334-351, https://doi.org/10.1248/jhs1956.44.334 . [all data]

Kaliszan and Lamparczyk, 1978
Kaliszan, R.; Lamparczyk, H., A Relationship between the Connectivity Indices and Retention Indices of Polycyclic Aromatic Hydrocarbons, J. Chromatogr. Sci., 1978, 16, 6, 246-248, https://doi.org/10.1093/chromsci/16.6.246 . [all data]

Shlyakhov, 1984
Shlyakhov, A.F., Gas chromatography in organic geochemistry, Nedra, Moscow, 1984, 221. [all data]

Chen, Keeran, et al., 2002
Chen, P.H.; Keeran, W.S.; Van Ausdale, W.A.; Schindler, D.R.; Roberts, D.W., Application of Lee retention indices to the confirmation of tentatively identified compounds from GC/MS analysis of environmental samples, Technical paper, Analytical Services Division, Environmental ScienceEngineering, Inc, PO Box 1703, Gainesville, FL 32602, 2002, 11. [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]

Tucminen, Wickstrom, et al., 1986
Tucminen, A.; Wickstrom, K.; Pyysalo, H., Determination of Polycyclic Aromatic Compounds by GLC-Selected Ion Monitoring (SIM) Technique, J. Hi. Res. Chromatogr. Chromatogr. Comm., 1986, 9, 8, 469-471, https://doi.org/10.1002/jhrc.1240090813 . [all data]

Notes

Go To: Top, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, References

• Symbols used in this document:
  

  Tboil	Boiling point
  Tfus	Fusion (melting) point
  ΔsubH	Enthalpy of sublimation
  ΔvapH	Enthalpy of vaporization

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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