Benzene, 1-(chloromethyl)-4-methyl-

• Formula: C₈H₉Cl
• Molecular weight: 140.610
• IUPAC Standard InChI: InChI=1S/C8H9Cl/c1-7-2-4-8(6-9)5-3-7/h2-5H,6H2,1H3 Copy

  
• IUPAC Standard InChIKey: DMHZDOTYAVHSEH-UHFFFAOYSA-N Copy
• CAS Registry Number: 104-82-5
• 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.
• Isotopologues:
  • [2H9]-1-(Chloromethyl)-4-methylbenzene
• Other names: p-Xylene, α-chloro-; α-Chloro-p-xylene; p-Chloromethyltoluene; p-Methylbenzyl chloride; p-Xylyl chloride; p-Xylyl-α-chloride; 1-(Chloromethyl)-4-methylbenzene; 4-Methylbenzyl chloride; 1-Methyl-4-(chloromethyl)benzene; 4-(Chloromethyl)toluene; p-Xylene, alpha-chloro-; (4-Methylphenyl)methyl chloride; NSC 46590; p-Tolylmethyl chloride
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Gas phase ion energetics data
  • Mass spectrum (electron ionization)
  • Gas Chromatography
  • References
  • Notes
• Other data available:
  • Phase change data
  • Reaction thermochemistry data
  • IR Spectrum
• Options:
  • Switch to SI units

Gas phase ion energetics data

Go To: Top, 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:
B - John E. Bartmess
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Ionization energy determinations

De-protonation reactions

C₈H₈Cl^- +  =

By formula: C₈H₈Cl^- + H⁺ = C₈H₉Cl

Mass spectrum (electron ionization)

Go To: Top, Gas phase ion energetics data, 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

Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.

For Zoom

1.) Enter the desired X axis range (e.g., 100, 200)

2.) Check here for automatic Y scaling

3.) Press here to zoom

Additional Data

Gas Chromatography

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

View large format table.

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

View large format table.

Normal alkane RI, non-polar column, temperature ramp

View large format table.

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

View large format table.

References

Go To: Top, 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.

Ponomarev, Takhimova, et al., 1974
Ponomarev, D.A.; Takhimova, V.V.; Akopyan, M.E.; Sergeyev, Y.L., Effect of alkyl groups on the stability of cations in the absence of solvation effects, Zh. Org. Khim., 1974, 10, 403. [all data]

Hammad and Wenthold, 2000
Hammad, L.A.; Wenthold, P.G., Synthesis, characterization, and reactivity of the m-xylylene anion in the gas phase. The enthalpy of formation of m-xylylene, J. Am. Chem. Soc., 2000, 122, 45, 11203-11211, https://doi.org/10.1021/ja002138n . [all data]

Bermejo, Blanco, et al., 1986
Bermejo, J.; Blanco, C.G.; Guillén, M.D., Gas chromatography of deuterated and protiated chloro derivatives of 1,4-dimethylbenzene, J. Chromatogr., 1986, 351, 425-432, https://doi.org/10.1016/S0021-9673(01)83520-2 . [all data]

Gautzsch and Zinn, 1996
Gautzsch, R.; Zinn, P., Use of incremental models to estimate the retention indexes of aromatic compounds, Chromatographia, 1996, 43, 3/4, 163-176, https://doi.org/10.1007/BF02292946 . [all data]

Zenkevich and Makarov, 2007
Zenkevich, I.G.; Makarov, A.A., Identification of Alkylarene Chloromethylation Products Using Gas-Chromatographic Retention Indices, Russian Journal of General Chemistry, 2007, 77, 4, 611-619, https://doi.org/10.1134/S1070363207040196 . [all data]

Zenkevich, 2001
Zenkevich, I.G., Interpretation of Gas Chromatographic Retention Indices in estimation of Structures of Isomeric Products of Radical Chlorinating of Alkyl Arenes, Zh. Org. Khim., 2001, 37, 2, 283-293. [all data]

Zenkevich, 1999
Zenkevich, I.G., Mutual Correlation between Gas-Chromatographic Retention Indices of Organic Compounds from Different Series, Zh. Anal. Khim., 1999, 54, 12, 1272-1279. [all data]

Notes

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

• Symbols used in this document:
  

  ΔrG°	Free energy of reaction at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions

• 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.