Benzene, 1-methoxy-4-methyl-

• Formula: C₈H₁₀O
• Molecular weight: 122.1644
• IUPAC Standard InChI: InChI=1S/C8H10O/c1-7-3-5-8(9-2)6-4-7/h3-6H,1-2H3 Copy

  
• IUPAC Standard InChIKey: CHLICZRVGGXEOD-UHFFFAOYSA-N Copy
• CAS Registry Number: 104-93-8
• 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: Anisole, p-methyl-; p-Cresol methyl ether; p-Methoxytoluene; p-Methylanisole; p-Tolyl methyl ether; Methyl p-tolyl ether; 1-Methoxy-4-methylbenzene; 4-Methoxytoluene; 4-Methylanisole; p-Cresyl methyl ether; Methyl p-cresyl ether; Methyl 4-methylphenyl ether; 1-Methyl-4-methoxybenzene; 4-Methyl-1-methoxybenzene; 4-Methylphenol methyl ether; Methyl p-methylphenyl ether; 4-Methylmethoxybenzene; para-Methyl anisol; para-Methyl anisole; p-Methylanisol; NSC 6254; 4-Methylanisol
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Gas phase thermochemistry data
  • Phase change data
  • Gas phase ion energetics data
  • IR Spectrum
  • Gas Chromatography
  • References
  • Notes
• Other data available:
  • Mass spectrum (electron ionization)
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
• Options:
  • Switch to SI units

Data at NIST subscription sites:

• NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data)

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.

Gas phase thermochemistry data

Go To: Top, Phase change data, Gas phase ion energetics 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: Glushko Thermocenter, Russian Academy of Sciences, Moscow

Constant pressure heat capacity of gas

Phase change data

Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics 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 as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director

Gas phase ion energetics data

Go To: Top, Gas phase thermochemistry data, Phase change 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 evaluated as indicated in comments:
L - Sharon G. Lias

Data compiled as indicated in comments:
MM - Michael M. Meot-Ner (Mautner)
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

View reactions leading to C₈H₁₀O⁺ (ion structure unspecified)

Proton affinity at 298K

Gas basicity at 298K

Ionization energy determinations

Appearance energy determinations

IR Spectrum

Go To: Top, Gas phase thermochemistry data, Phase change data, Gas phase ion energetics data, Gas Chromatography, References, Notes

Data compiled by: Coblentz Society, Inc.

• LIQUID; Not specified, most likely a prism, grating, or hybrid spectrometer.; DIGITIZED BY NIST FROM HARD COPY; 4 cm^-1 resolution

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

• gas

Gas Chromatography

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

View large format table.

Kovats' RI, non-polar column, temperature ramp

View large format table.

Kovats' RI, non-polar column, custom temperature program

View large format table.

Kovats' RI, polar column, isothermal

View large format table.

Kovats' RI, polar column, temperature ramp

View large format table.

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

View large format table.

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

View large format table.

Van Den Dool and Kratz RI, 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.

Normal alkane RI, polar column, temperature ramp

View large format table.

Normal alkane RI, polar column, custom temperature program

View large format table.

References

Go To: Top, Gas phase thermochemistry data, Phase change data, Gas phase ion energetics data, IR Spectrum, Gas Chromatography, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Sharma S.N., 1982
Sharma S.N., Infrared and laser Raman spectra of m- and p-methylanisoles, Acta Phys. Pol., 1982, A62, 449-456. [all data]

Dorofeeva O.V., 1997
Dorofeeva O.V., Unpublished results. Thermocenter of Russian Academy of Science, Moscow, 1997. [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]

Ogimachi, Andrews, et al., 1955
Ogimachi, N.N.; Andrews, L.J.; Keefer, R.M., The Free Energies and Heats of Formation of Polyalkoxybenzene-Iodine Monochloride Complexes, J. Am. Chem. Soc., 1955, 77, 4202. [all data]

Olson, Hipsher, et al., 1947
Olson, W.T.; Hipsher, H.F.; Buess, C.M.; Goodman, I.A.; Hart, I.; Lamneck, J.H.; Gibbons, L.C., The Synthesis and Purification of Ethers, J. Am. Chem. Soc., 1947, 69, 2451-4. [all data]

Boord, Greenlee, et al., 1945
Boord, C.E.; Greenlee, K.W.; Perilstein, W.L., , Am. Pet. Inst. Res. Proj. 45, Seventh Annu. Rep., Ohio State Univ., June 30, 1945. [all data]

Perkin, 1896
Perkin, W.H., LXIX. On Magnetic Rotatory Power, especially of Aromatic Compounds, J. Chem. Soc., 1896, 69, 1025-1257. [all data]

Young, 1994
Young, C.L., Personal Commun. 1994 1994, 1994. [all data]

van Beelen, Koblenz, et al., 2004
van Beelen, E.S.E.; Koblenz, T.A.; Ingemann, S.; Hammerum, S., Experimental and theoretical evaluation of proton affinities of furan, the methylphenols, and the related anisoles, J. Phys. Chem. A, 2004, 108, 2787. [all data]

Ponomarev, Arapov, et al., 1986
Ponomarev, D.A.; Arapov, O.V.; Sergeev, Y.L.; Chistyakov, A.B., [Title unavailable], Izv. Vyssh. Uchebn. Zaved., Khim. Khim. Tekhnol., 1986, 29, 107. [all data]

Cooks, Bertrand, et al., 1973
Cooks, R.G.; Bertrand, M.; Beynon, J.H.; Rennekamp, M.E.; Setser, D.W., Energy partitioning data as an ion structure probe. Substituted anisoles, J. Am. Chem. Soc., 1973, 95, 1732. [all data]

Pitt, Carey, et al., 1972
Pitt, C.G.; Carey, R.N.; Toren, E.C., Nature of the electronic interactions in aryl-substituted polysilanes, J. Am. Chem. Soc., 1972, 94, 3806. [all data]

Hoffman and Bursey, 1971
Hoffman, M.K.; Bursey, M.M., Structural characteristics of non-decomposing C₇H₇⁺ ions from some methyl ethers on electron impact, Chem. Commun., 1971, 824. [all data]

Brown, 1970
Brown, P., Kinetic studies in mass spectrometry. VIII. Competing [M-CH₃] and [M-CH₂O] reactions in substituted anisoles. Approximate activation energies from ionization appearance potentials, Org. Mass Spectrom., 1970, 4, 519. [all data]

Voigt and Reid, 1964
Voigt, E.M.; Reid, C., Ionization potentials of substituted benzenes and their charge-transfer spectra with tetracyanoethylene, J. Am. Chem. Soc., 1964, 86, 3930. [all data]

Bernardi, Distefano, et al., 1975
Bernardi, F.; Distefano, G.; Mangini, A.; Pignataro, S.; Spunta, G., Photoelectron spectra of substituted anisoles thioanisoles, J. Electron Spectrosc. Relat. Phenom., 1975, 7, 457. [all data]

Kobayashi and Nagakura, 1974
Kobayashi, T.; Nagakura, S., Photoelectron spectra of substituted benzenes, Bull. Chem. Soc. Jpn., 1974, 47, 2563. [all data]

Eaton and Traylor, 1974
Eaton, D.F.; Traylor, T.G., Distortional stabilization in phenyl participations, J. Am. Chem. Soc., 1974, 96, 7109. [all data]

Dewar, Ernstbrunner, et al., 1974
Dewar, P.S.; Ernstbrunner, E.; Gilmore, J.R.; Godfrey, M.; Mellor, J.M., Conformational analysis of alkyl aryl ethers and alkyl aryl sulphides by photoelectron spectroscopy, Tetrahedron, 1974, 30, 2455. [all data]

Harrison, Haynes, et al., 1965
Harrison, A.G.; Haynes, P.; McLean, S.; Meyer, F., The mass spectra of methyl-substituted cyclopentadienes, J. Am. Chem. Soc., 1965, 87, 5099. [all data]

Tait, Shannon, et al., 1962
Tait, J.M.S.; Shannon, T.W.; Harrison, A.G., The structure of substituted C₇ ions from benzyl derivatives at the appearance potential threshold, J. Am. Chem. Soc., 1962, 84, 4. [all data]

Tudor, 1997
Tudor, E., Temperature dependence of the retention index for perfumery compounds on a SE-30 glass capillary column. I. Linear equations, J. Chromatogr. A, 1997, 779, 1-2, 287-297, https://doi.org/10.1016/S0021-9673(97)00453-6 . [all data]

Bogoslovsky, Anvaer, et al., 1978
Bogoslovsky, Yu.N.; Anvaer, B.I.; Vigdergauz, M.S., Chromatographic constants in gas chromatography (in Russian), Standards Publ. House, Moscow, 1978, 192. [all data]

Kasali, Adio, et al., 2002
Kasali, A.A.; Adio, A.M.; Oyedeji, A.O.; Eshilokun, A.O.; Adefenwa, M., Volatile constituents of Boswellia serrata Roxb. (Burseraceae) bark, Flavour Fragr. J., 2002, 17, 6, 462-464, https://doi.org/10.1002/ffj.1124 . [all data]

Gaydou, Randriamiharisoa, et al., 1986
Gaydou, E.M.; Randriamiharisoa, R.; Bianchini, J.-P., Composition of the essential oil of ylang-ylang (Canaga odorata Hook Fil. et Thomson forma genuina) from Madagascar, J. Agric. Food Chem., 1986, 34, 3, 481-487, https://doi.org/10.1021/jf00069a028 . [all data]

Jalali-Heravi and Garkani-Nejad, 1993
Jalali-Heravi, M.; Garkani-Nejad, Z., Prediction of gas chromatographic retention indices of some benzene derivatives, J. Chromatogr., 1993, 648, 2, 389-393, https://doi.org/10.1016/0021-9673(93)80421-4 . [all data]

Still and Whitehead, 1977
Still, R.H.; Whitehead, A., Thermal degradation of polymers. XV. Vacuum pyrolysis studies on poly(p-methoxystyrene) and poly(p-hydroxystyrene), J. Appl. Polym. Sci., 1977, 21, 5, 1199-1213, https://doi.org/10.1002/app.1977.070210504 . [all data]

Wong and Teng, 1994
Wong, K.C.; Teng, Y.E., Volatile Components of Mimusops elengi L. Flowers, J. Essent. Oil Res., 1994, 6, 5, 453-458, https://doi.org/10.1080/10412905.1994.9698425 . [all data]

Ziegenbein, Hanssen, et al., 2006
Ziegenbein, F.C.; Hanssen, H.-P.; König, W.A., Secondary metabolites from Ganoderma lucidum and Spongiporus leucomallellus, Phytochemistry, 2006, 67, 2, 202-211, https://doi.org/10.1016/j.phytochem.2005.10.025 . [all data]

Ziegenbein, Hanssen, et al., 2006, 2
Ziegenbein, F.C.; Hanssen, H.-P.; König, W.A., Chemical constituents of the essential oils of three wood-rotting fungi, Flavour Fragr. J., 2006, 21, 5, 813-816, https://doi.org/10.1002/ffj.1732 . [all data]

Alves, Pinto, et al., 2005
Alves, R.J.V.; Pinto, A.C.; da Costa, A.V.M.; Rezende, C.M., Zizyphus mauritiana Lam. (Rhamnaceae) and the chemical composition of its floral fecal odor, J. Braz. Chem. Soc., 2005, 16, 3B, 654-656, https://doi.org/10.1590/S0103-50532005000400027 . [all data]

Tam, Thuam, et al., 2004
Tam, N.T.; Thuam, D.T.; Bighelli, A.; Castola, V.; Muselli, A.; Richomme, P.; Casanova, J., Baeckea frutescens leaf oil from Vietnam: composition and chemical variability, Flavour Fragr. J., 2004, 19, 3, 217-220, https://doi.org/10.1002/ffj.1281 . [all data]

Boyom, Assembe, et al., 2003
Boyom, F.F.; Assembe, E.Z.; Zollo, P.H.A.; Agnaniet, H.; Menut, C.; Bessière, J.M., Aromatic plants of tropical central Africa. Part XLII. Volatile components from Antidesma laciniatum Muell. Arg. Var. laciniatum growing in Cameroon, Flavour Fragr. J., 2003, 18, 5, 451-453, https://doi.org/10.1002/ffj.1251 . [all data]

Demetzos, Angelopoulou, et al., 2002
Demetzos, C.; Angelopoulou, D.; Perdetzoglou, D., A comparative study of the essential oils of Cistus salviifolius in several populations of Crete (Greece), Biochem. Syst. Ecol., 2002, 30, 7, 651-665, https://doi.org/10.1016/S0305-1978(01)00145-4 . [all data]

Moio, Piombino, et al., 2000
Moio, L.; Piombino, P.; Addeo, F., Odour-impact compounds of Gorgonzola cheese, J. Dairy Res., 2000, 67, 2, 273-285, https://doi.org/10.1017/S0022029900004106 . [all data]

Isidorov, Zenkevich, et al., 1998
Isidorov, V.A.; Zenkevich, I.G.; Dubis, E.N.; Slowikowski, A.; Wojciuk, E., Group identification of essential oils components using partition coefficients in a hexane-acetonitrile system, J. Chromatogr. A, 1998, 814, 1-2, 253-260, https://doi.org/10.1016/S0021-9673(98)00398-7 . [all data]

Warthen, Lee, et al., 1997
Warthen, J.D.; Lee, C.-J.; Jang, E.B.; Lance, D.R.; McInnis, D.O., Volatile, potential attractants from ripe coffee fruit for female Mediterranean fruit fly, J. Chem. Ecol., 1997, 23, 7, 1891-1900, https://doi.org/10.1023/B:JOEC.0000006458.02342.61 . [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]

Stashenko, Prada, et al., 1996
Stashenko, E.E.; Prada, N.Q.; Martínez, J.R., HRGC/FID/NP and HRGC/MSD study of Colombian Ylang-Ylang (Cananga odorata) oils obtained by different extraction techniques, J. Hi. Res. Chromatogr., 1996, 19, 6, 353-358, https://doi.org/10.1002/jhrc.1240190609 . [all data]

Sacchetti, Maietti, et al., 2005
Sacchetti, G.; Maietti, S.; Muzzoli, M.; Scaglianti, M.; Manfredini, S.; Radice, M.; Bruni, R., Comparative evaluation of 11 essential oils of different origin as functional antioxidants, antiradicals and antimicrobials in foods, Food Chem., 2005, 91, 4, 621-632, https://doi.org/10.1016/j.foodchem.2004.06.031 . [all data]

Beaulieu and Grimm, 2001
Beaulieu, J.C.; Grimm, C.C., Identification of volatile compounds in cantaloupe at various developmental stages using solid phase microextraction, J. Agric. Food Chem., 2001, 49, 3, 1345-1352, https://doi.org/10.1021/jf0005768 . [all data]

Nawrath, Mgode, et al., 2012
Nawrath, T.; Mgode, G.F.; Weetjens, B.; Kaufmann, S.H.E.; Schulz, S., The volatiles of pathogenic and nonpathogenic mycobacteria aand related bacteria, Beilstein J. Org. Chem., 2012, 8, 290-297, https://doi.org/10.3762/bjoc.8.31 . [all data]

Hammami, Kamoun, et al., 2011
Hammami, I.; Kamoun, N.; Rebai, A., Biocontrol of Botrytis cinerea with essential oil and methanol extract of Viola odorata flowers, Archives of Appl. Sci. Res., 2011, 3, 5, 44-51. [all data]

Fekam Boyom, Ngouana, et al., 2003
Fekam Boyom, F.; Ngouana, V.; Amvam Zollo, P.H.; Menut, C.; Bessiere, J.M.; Gut, J.; Rosenthal, P.J., Composition and anti-plasmodial activities of essential oils from some Cameroonian medicinal plants, Phytochemistry, 2003, 64, 7, 1269-1275, https://doi.org/10.1016/j.phytochem.2003.08.004 . [all data]

Guy and Vernin, 1996
Guy, I.; Vernin, G., Minor compounds from Cistus ladaniferus L. essential oil from esterel. 2. Acids and phenols, J. Essent. Oil Res., 1996, 8, 4, 455-462, https://doi.org/10.1080/10412905.1996.9700666 . [all data]

Stashenko, Torres, et al., 1995
Stashenko, E.E.; Torres, W.; Morales, J.R.M., A study of the compositional variation of the essential oil of ylang-ylang (Cananga odorata Hook Fil. et Thomson, forma genuina) during flower development, J. Hi. Res. Chromatogr., 1995, 18, 2, 101-104, https://doi.org/10.1002/jhrc.1240180206 . [all data]

Egolf and Jurs, 1993
Egolf, L.M.; Jurs, P.C., Quantitative structure-retention and structure-odor intensity relationships for a diverse group of odor-active compounds, Anal. Chem., 1993, 65, 21, 3119-3126, https://doi.org/10.1021/ac00069a027 . [all data]

Okumura, 1991
Okumura, T., retention indices of environmental chemicals on methyl silicone capillary column, Journal of Environmental Chemistry (Japan), 1991, 1, 2, 333-358, https://doi.org/10.5985/jec.1.333 . [all data]

Cajka, Hajslova, et al., 2007
Cajka, T.; Hajslova, J.; Cochran, J.; Holadova, K.; Klimankova, E., Solid phase microextraction - comprehensive two dimensional gas chromatography - time-of-flight mass spectrometry for the analysis of honey volatiles, J. Sep. Sci., 2007, 30, 4, 534-546, https://doi.org/10.1002/jssc.200600413 . [all data]

Vinogradov, 2004
Vinogradov, B.A., Production, composition, properties and application of essential oils, 2004, retrieved from http://viness.narod.ru. [all data]

Wei A. and Shibamoto T., 2007
Wei A.; Shibamoto T., Antioxidant activities and volatile constituents of various essential oils, J. Agric. Food Chem., 2007, 55, 5, 1737-1742, https://doi.org/10.1021/jf062959x . [all data]

Notes

Go To: Top, Gas phase thermochemistry data, Phase change data, Gas phase ion energetics data, IR Spectrum, Gas Chromatography, References

• Symbols used in this document:
  

  AE	Appearance energy
  Cp,gas	Constant pressure heat capacity of gas
  IE (evaluated)	Recommended ionization energy
  Tboil	Boiling point
  Tc	Critical temperature
  Tfus	Fusion (melting) point

• 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.