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Benzene, 1,3-dimethoxy-

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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, Kenneth Kroenlein director
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tboil490.7KN/AWeast and Grasselli, 1989BS
Tboil490.25KN/APerkin, 1896Uncertainty assigned by TRC = 1. K; TRC
Quantity Value Units Method Reference Comment
Tfus237.85KN/ATimmermans, 1921Uncertainty assigned by TRC = 0.3 K; TRC
Quantity Value Units Method Reference Comment
Deltavap61.5 ± 1.4kJ/molCMatos, Miranda, et al., 2000AC

Reduced pressure boiling point

Tboil (K) Pressure (bar) Reference Comment
359.20.009Aldrich Chemical Company Inc., 1990BS

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
60.8373.A,GCStephenson and Malanowski, 1987Based on data from 358. - 423. K. See also Kundel, Lille, et al., 1975.; AC

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


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 as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
LL - Sharon G. Lias and Joel F. Liebman

Ionization energy determinations

IE (eV) Method Reference Comment
8.2 ± 0.1EIBrown, 1970RDSH
8.0 ± 0.15CTSVoigt and Reid, 1964RDSH
8.14PEAnderson, Kollman, et al., 1979Vertical value; LLK
8.18PEDomelsmith and Houk, 1978Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C6H5+14.4CH3+CO+H2OEIMori, Ogawa, et al., 1992LL
C6H7O+12.5CH3+COEIMori, Ogawa, et al., 1992LL
C7H7O2+11.2 ± 0.1CH3EIBrown, 1970RDSH
C7H7O2+11.6 ± 0.1CH3EITait, Shannon, et al., 1962RDSH
C7H8O+11.0 ± 0.1CH2OEIBrown, 1970RDSH

IR Spectrum

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Data compiled by: Coblentz Society, Inc.

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


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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Mass 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 NIST Mass Spectrometry Data Center
NIST MS number 352778

All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. Please see the following for information about the library and its accompanying search program.


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.

Data compiled by: Victor Talrose, Alexander N. Yermakov, Alexy A. Usov, Antonina A. Goncharova, Axlexander N. Leskin, Natalia A. Messineva, Natalia V. Trusova, Margarita V. Efimkina

Spectrum

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UVVis spectrum
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Additional Data

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Source LANG, 1969
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. 19063
Instrument Beckman DU
Boiling point 212

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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Column type Active phase Temperature (C) I Reference Comment
PackedApiezon L100.1147.Bogoslovsky, Anvaer, et al., 1978Chromatone N AW DNCS
PackedApiezon L150.1164.Bogoslovsky, Anvaer, et al., 1978Chromatone N AW DNCS

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

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Column type Active phase I Reference Comment
CapillaryOV-11138.8Gautzsch and Zinn, 19968. K/min; Tstart: 35. C; Tend: 300. C

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

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Column type Active phase I Reference Comment
CapillaryVF-5MS1181.9Tret'yakov, 200830. m/0.25 mm/0.25 «mu»m, He; Program: Multi-step temperature program; T(initial)=60C; T(final)=270C

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

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Column type Active phase I Reference Comment
CapillaryDB-Wax1730.Ferrari, Lablanquie, et al., 200460. m/0.25 mm/0.25 «mu»m, He; Program: 35C(0.7min) => 20C/min => 70C => 4C/min => 240C

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

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Column type Active phase I Reference Comment
CapillaryPolydimethyl siloxane with 5 % Ph groups1175.Robinson, Adams, et al., 2012Program: not specified
CapillaryPolydimethyl siloxane with 5 % Ph groups1182.Robinson, Adams, et al., 2012Program: not specified
CapillarySE-301143.Vinogradov, 2004Program: not specified
CapillaryRTX-5 MS1158.Rogerson, Azevedo, et al., 200230. m/0.32 mm/1. «mu»m, He; Program: 40C(20min) => 1.5C/min => 200C (4min) => 10C/min => 250C (120min)

Normal alkane RI, polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryAT-Wax1761.Kiss, Csoka, et al., 201160. m/0.25 mm/0.25 «mu»m, Helium, 4. K/min; Tstart: 60. C; Tend: 280. C

Normal alkane RI, polar column, custom temperature program

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Column type Active phase I Reference Comment
CapillaryCarbowax 20M1740.Vinogradov, 2004Program: not specified
CapillarySupelcowax-101709.Rogerson, Azevedo, et al., 200260. m/0.25 mm/0.25 «mu»m, He; Program: 40C(20min) => 1.5C/min => 200C (4min) => 10C/min => 250C (120min)
CapillaryDB-Wax1762.Caldentey, Daria Fumi, et al., 199830. m/0.25 mm/0.25 «mu»m, He; Program: 25C(8min) => 4C/min => 60C => 6C/min => 160C => 20C/min => 200C
CapillaryDB-Wax1737.Peng, Yang, et al., 1991Program: not specified

References

Go To: Top, Phase change data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible spectrum, Gas Chromatography, NIST Free Links, Notes

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

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]

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

Timmermans, 1921
Timmermans, J., The Freezing Points of Organic Substances IV. New Exp. Determinations, Bull. Soc. Chim. Belg., 1921, 30, 62. [all data]

Matos, Miranda, et al., 2000
Matos, M.A.R.; Miranda, M.S.; Morais, V.M.F., Calorimetric and Theoretical Determination of Standard Enthalpies of Formation of Dimethoxy- and Trimethoxybenzene Isomers, J. Phys. Chem. A, 2000, 104, 40, 9260-9265, https://doi.org/10.1021/jp001928g . [all data]

Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc., Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [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]

Kundel, Lille, et al., 1975
Kundel, H.; Lille, U.; Kaidas, N., Tr. Tallin. Politekh. Inst., 1975, 390, 107. [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]

Anderson, Kollman, et al., 1979
Anderson, G.M., III; Kollman, P.A.; Domelsmith, L.N.; Houk, K.N., Methoxy group nonplanarity in o-dimethoxybenzenes. Simple predictive models for conformations and rotational barriers in alkoxyaromatics, J. Am. Chem. Soc., 1979, 101, 2344. [all data]

Domelsmith and Houk, 1978
Domelsmith, L.N.; Houk, K.N., Photoelectron spectroscopic studies of hallucinogens: The use of ionization potentials in QSAR, NIDA Res. Monogr., 1978, 22, 423. [all data]

Mori, Ogawa, et al., 1992
Mori, Y.; Ogawa, Y.; Shinoda, H.; Kitagawa, T., Two competing fragmentation processes in dimethoxybenzenes depending on their positional isomers: Elimination of CH3 and CHnO (n = 1-3) and formation of methoxycyclopentadienyl and protonated phenol ions, Org. Mass Spectrom., 1992, 27, 578. [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]

LANG, 1969
Absorption Spectra in the Ultraviolet and Visible Region, L. LANG, ed(s)., Academic Press, New York, 1969, 67. [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]

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]

Tret'yakov, 2008
Tret'yakov, K.V., Retention Data. NIST Mass Spectrometry Data Center., NIST Mass Spectrometry Data Center, 2008. [all data]

Ferrari, Lablanquie, et al., 2004
Ferrari, G.; Lablanquie, O.; Cantagrel, R.; Ledauphin, J.; Payot, T.; Fournier, N.; Guichard, E., Determination of key odorant compounds in freshly distilled cognac using GC-O, GC-MS, and sensory evaluation, J. Agric. Food Chem., 2004, 52, 18, 5670-5676, https://doi.org/10.1021/jf049512d . [all data]

Robinson, Adams, et al., 2012
Robinson, A.L.; Adams, D.O.; Boss, P.K.; Heymann, H.; Solomon, P.S.; Trengove, R.D., Influence of geographic origine on the sensory characteristics and wine composition of Vitus viniferas cv. Cabernet Sauvignon wines from Australia (Supplemental data), Am. J. Enol. Vitic., 2012, 64, 4, 467-476, https://doi.org/10.5344/ajev.2012.12023 . [all data]

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

Rogerson, Azevedo, et al., 2002
Rogerson, F.S.S.; Azevedo, Z.; Fortunato, N.; de Freitas, V.A.P., 1,3-Dimethoxybenzene, a newly identified component of port wine, J. Sci. Food Agric., 2002, 82, 11, 1287-1292, https://doi.org/10.1002/jsfa.1182 . [all data]

Kiss, Csoka, et al., 2011
Kiss, M.; Csoka, M.; Gyorfi, J.; Korany, K., Comparison of the fragrance constituents of Tuber aestivium and Tuber Brumale gathered in Hungary, J. Appl. Botany Food Quality, 2011, 84, 102-110. [all data]

Caldentey, Daria Fumi, et al., 1998
Caldentey, P.; Daria Fumi, M.; Mazzoleni, V.; Careri, M., Volatile compounds produced by microorganisms isolated from cork, Flavour Fragr. J., 1998, 13, 3, 185-188, https://doi.org/10.1002/(SICI)1099-1026(199805/06)13:3<185::AID-FFJ723>3.0.CO;2-W . [all data]

Peng, Yang, et al., 1991
Peng, C.T.; Yang, Z.C.; Ding, S.F., Prediction of rentention idexes. II. Structure-retention index relationship on polar columns, J. Chromatogr., 1991, 586, 1, 85-112, https://doi.org/10.1016/0021-9673(91)80028-F . [all data]


Notes

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