Benzene, (methoxymethyl)-
- Formula: C8H10O
- Molecular weight: 122.1644
- IUPAC Standard InChIKey: GQKZBCPTCWJTAS-UHFFFAOYSA-N
- CAS Registry Number: 538-86-3
- 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: Ether, benzyl methyl; α-Methoxytoluene; Benzyl methyl ether; Methyl benzyl ether; Methoxymethylbenzene; α-Methylbenzyl ether
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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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 447. | K | N/A | Buckingham and Donaghy, 1982 | BS |
Tboil | 443.7 | K | N/A | Olson, Hipsher, et al., 1947 | Uncertainty assigned by TRC = 0.6 K; TRC |
Tboil | 440.95 | K | N/A | Lecat, 1943 | Uncertainty assigned by TRC = 0.4 K; TRC |
Tboil | 443.65 | K | N/A | Perkin, 1896 | Uncertainty assigned by TRC = 0.5 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 220.52 | K | N/A | Olson, Hipsher, et al., 1947 | Uncertainty assigned by TRC = 0.4 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 51.4 ± 0.3 | kJ/mol | GS | Krasnykh, Vasiltsova, et al., 2002 | Based on data from 274. to 314. K.; AC |
Reduced pressure boiling point
Tboil (K) | Pressure (bar) | Reference | Comment |
---|---|---|---|
347. to 350. | 0.040 | Frinton Laboratories Inc., 1986 | BS |
335. to 343. | 0.020 | Buckingham and Donaghy, 1982 | BS |
Reaction thermochemistry 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
By formula: C7H6 + CH4O = C8H10O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -214. | kJ/mol | Cm | Billups, Chow, et al., 1973 | liquid phase; solvent: Methanol |
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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
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
View reactions leading to C8H10O+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 816.7 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 787.5 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.76 | EI | Hoffman and Bursey, 1971 | LLK |
8.83 ± 0.05 | EI | Pignataro, Foffani, et al., 1966 | RDSH |
8.85 ± 0.03 | PI | Watanabe, 1957 | RDSH |
9.07 | PE | Shudo, Kobayashi, et al., 1977 | Vertical value; LLK |
9.12 | PE | Bock and Wagner, 1972 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C7H7+ | 11.78 | ? | EI | Hoffman and Bursey, 1971 | LLK |
C7H7+ | 11.65 | ? | EI | Loudon, Maccoll, et al., 1970 | RDSH |
C7H7O+ | 11.47 | CH3 | EI | Hoffman and Bursey, 1971 | LLK |
C8H9O+ | 10.7 ± 0.1 | H | EI | Meyer and Harrison, 1964 | RDSH |
IR 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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Gas Phase Spectrum
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Additional Data
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Owner | NIST Standard Reference Data Program Collection (C) 2018 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | Sadtler Research Labs Under US-EPA Contract |
State | gas |
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
View image of digitized spectrum (can be printed in landscape orientation).
Due to licensing restrictions, this spectrum cannot be downloaded.
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, 1994 |
NIST MS number | 135294 |
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
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | OV-1 | 966.1 | Gautzsch and Zinn, 1996 | 8. K/min; Tstart: 35. C; Tend: 300. C |
Van Den Dool and Kratz RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-5 | 984. | Boulanger, Chassagne, et al., 1999 | 30. m/0.25 mm/0.25 μm, H2; Program: 40C(5min) => 2C/min => 220C => 5C/min => 250C(15min) |
Van Den Dool and Kratz RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Carbowax 20M | 1400. | Whitfield, Shea, et al., 1981 | Column length: 150. m; Column diameter: 0.75 mm; Program: not specified |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | SE-30 | 981. | Vinogradov, 2004 | Program: not specified |
Capillary | Polydimethyl siloxanes | 973. | Zenkevich and Chupalov, 1996 | Program: not specified |
Capillary | Polydimethyl siloxanes | 973. | Zenkevich and Chupalov, 1996 | Program: not specified |
Normal alkane RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-Wax | 1377. | Buttery, Light, et al., 2000 | 60. m/0.25 mm/0.25 μm, 30. C @ 4. min, 2. K/min, 170. C @ 30. min |
Packed | Carbowax 20M | 1396. | Tsao, 1969 | Helium, Chromosorb P HMDS, 5. K/min; Column length: 2. m; Tstart: 40. C; Tend: 200. C |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Carbowax 20M | 1391. | Vinogradov, 2004 | Program: not specified |
References
Go To: Top, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, NIST Free Links, NIST Subscription Links, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Buckingham and Donaghy, 1982
Buckingham, J.; Donaghy, S.M.,
Dictionary of Organic Compounds: Fifth Edition, Chapman and Hall, New York, 1982, 1. [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]
Lecat, 1943
Lecat, M.,
Azeotropes of Ethyl Urethane and other Azeotropes,
C. R. Hebd. Seances Acad. Sci., 1943, 217, 273. [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]
Krasnykh, Vasiltsova, et al., 2002
Krasnykh, Eugen L.; Vasiltsova, Tatiana V.; Verevkin, Sergey P.; Heintz, Andreas,
Vapor Pressures and Enthalpies of Vaporization of Benzyl Halides and Benzyl Ethers,
J. Chem. Eng. Data, 2002, 47, 6, 1372-1378, https://doi.org/10.1021/je020034h
. [all data]
Frinton Laboratories Inc., 1986
Frinton Laboratories Inc.,
Catalog Number 11, Frinton Laboratories Inc., Vineland, NJ, 1986, 99. [all data]
Billups, Chow, et al., 1973
Billups, W.E.; Chow, W.Y.; Leavell, K.H.; Lewis, E.S.; Margrave, J.L.; Sass, R.L.; Shieh, J.J.; Werness, P.G.; Wood, J.L.,
Structure and thermochemistry of benzocyclopropenes. Bond fixation and strain energy,
J. Am. Chem. Soc., 1973, 95, 7878-7880. [all data]
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018
. [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]
Pignataro, Foffani, et al., 1966
Pignataro, S.; Foffani, A.; Innorta, G.; Distefano, G.,
Molecular structural effects on the ionization potentials for metasubstituted aromatic compounds and for compounds of the type X-CH2-R,
Z. Physik. Chem. (Frankfurt), 1966, 49, 291. [all data]
Watanabe, 1957
Watanabe, K.,
Ionization potentials of some molecules,
J. Chem. Phys., 1957, 26, 542. [all data]
Shudo, Kobayashi, et al., 1977
Shudo, K.; Kobayashi, T.; Utsunomiya, C.,
Photoelectron spectral studies on the interaction of three-membered rings with aryl groups,
Tetrahedron, 1977, 33, 1721. [all data]
Bock and Wagner, 1972
Bock, H.; Wagner, G.,
Electron lone pairs in organic sulfides and disulfides,
Angew. Chem. Int. Ed. Engl., 1972, 11, 119. [all data]
Loudon, Maccoll, et al., 1970
Loudon, A.G.; Maccoll, A.; Wong, S.K.,
Comparison between unimolecular gas phase pyrolysis and electron impact fragmentation. Part I. The mass spectra of tetralin and some related heterocycles,
J. Chem. Soc. B, 1970, 1727. [all data]
Meyer and Harrison, 1964
Meyer, F.; Harrison, A.G.,
An electron impact study of methyl phenyl ethers,
Can. J. Chem., 1964, 42, 2008. [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]
Boulanger, Chassagne, et al., 1999
Boulanger, R.; Chassagne, D.; Crouzet, J.,
Free and bound flavour components of amazonian fruits. 1: Bacuri,
Flavour Fragr. J., 1999, 14, 5, 303-311, https://doi.org/10.1002/(SICI)1099-1026(199909/10)14:5<303::AID-FFJ834>3.0.CO;2-C
. [all data]
Whitfield, Shea, et al., 1981
Whitfield, F.B.; Shea, S.R.; Gillen, K.J.; Shaw, K.J.,
Volatile components from the roots of Acacia pulchella R.Br. and their effect on Phytophthora cinnamomi rands,
Aust. J. Bot., 1981, 29, 2, 195-208, https://doi.org/10.1071/BT9810195
. [all data]
Vinogradov, 2004
Vinogradov, B.A.,
Production, composition, properties and application of essential oils, 2004, retrieved from http://viness.narod.ru. [all data]
Zenkevich and Chupalov, 1996
Zenkevich, I.G.; Chupalov, A.A.,
New Possibilities of Chromato Mass Pectrometric Identification of Organic Compounds Using Increments of Gas Chromatographic Retention Indices of Molecular Structural Fragments,
Zh. Org. Khim. (Rus.), 1996, 32, 5, 656-666. [all data]
Buttery, Light, et al., 2000
Buttery, R.G.; Light, D.M.; Nam, Y.; Merrill, G.B.; Roitman, J.N.,
Volatile components of green walnut husks,
J. Agric. Food Chem., 2000, 48, 7, 2858-2861, https://doi.org/10.1021/jf000288b
. [all data]
Tsao, 1969
Tsao, J.C.Y.,
Prelimivary reports on structural study via mercury-sensitized photolysis and gas chromatography,
J. Chin. Chem. Soc., 1969, 16, 4, 152-163. [all data]
Notes
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- Symbols used in this document:
AE Appearance energy Tboil Boiling point Tfus Fusion (melting) point ΔrH° Enthalpy of reaction at standard conditions ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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