Ethane, 1,2-dimethoxy-
- Formula: C4H10O2
- Molecular weight: 90.1210
- IUPAC Standard InChIKey: XTHFKEDIFFGKHM-UHFFFAOYSA-N
- CAS Registry Number: 110-71-4
- 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: α,β-Dimethoxyethane; Dimethoxyethane; Dimethyl cellosolve; Ethylene dimethyl ether; Ethylene glycol dimethyl ether; Glycol dimethyl ether; Glyme; Monoethylene glycol dimethyl ether; Monoglyme; 1,2-Dimethoxyethane; 1,2-Ethanediol dimethyl ether; 2,5-Dioxahexane; CH3OCH2CH2OCH3; Egdme; UN 2252; Ansul ether 121; DME; DME (glycol ether); Hisolve MMM; NSC 60542
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Phase change data
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 as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
BS - Robert L. Brown and Stephen E. Stein
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 358. ± 1. | K | AVG | N/A | Average of 11 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 203.94 | K | N/A | Guanquan, Ott, et al., 1986 | Uncertainty assigned by TRC = 0.1 K; TRC |
Tfus | 204.15 | K | N/A | Anonymous, 1982 | TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 537. | K | N/A | Steele, Chirico, et al., 1996 | Uncertainty assigned by TRC = 2. K; TRC |
Tc | 539.2 | K | N/A | Quadri and Kudchadker, 1991 | Uncertainty assigned by TRC = 0.5 K; TRC |
Tc | 536. | K | N/A | Kobe, Ravicz, et al., 1956 | Uncertainty assigned by TRC = 2. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 39.08 | atm | N/A | Steele, Chirico, et al., 1996 | Uncertainty assigned by TRC = 2.47 atm; from extraploation of obs. vapor pressures to Tc; TRC |
Pc | 38.10 | atm | N/A | Quadri and Kudchadker, 1991 | Uncertainty assigned by TRC = 0.20 atm; TRC |
Pc | 38.19 | atm | N/A | Kobe, Ravicz, et al., 1956 | Uncertainty assigned by TRC = 0.2721 atm; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Vc | 0.271 | l/mol | N/A | Kobe, Ravicz, et al., 1956 | Uncertainty assigned by TRC = 0.005 l/mol; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ρc | 3.25 | mol/l | N/A | Steele, Chirico, et al., 1996 | Uncertainty assigned by TRC = 0.13 mol/l; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 9. ± 1. | kcal/mol | AVG | N/A | Average of 8 values; Individual data points |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
7.749 | 358. | N/A | Majer and Svoboda, 1985 | |
8.25 | 304. to 358. | EB | Li, Fang, et al., 2009 | AC |
9.42 | 253. | A | Stephenson and Malanowski, 1987 | Based on data from 238. to 298. K.; AC |
9.35 | 253. | A | Stephenson and Malanowski, 1987 | Based on data from 238. to 363. K.; AC |
8.10 | 240. | N/A | Stull, 1947 | Based on data from 225. to 366. K.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
View plot Requires a JavaScript / HTML 5 canvas capable browser.
Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
225. to 366. | 3.83204 | 1260.52 | -37.322 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
Gas phase ion energetics data
Go To: Top, Phase change 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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 9.3 | eV | N/A | N/A | L |
Quantity | Value | Units | Method | Reference | Comment |
Proton affinity (review) | 205.1 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 196.0 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Proton affinity at 298K
Proton affinity (kcal/mol) | Reference | Comment |
---|---|---|
202.1 ± 0.5 | Morlender-Vais and Holmes, 2001 | Plots of lnR (dissociation product ratio RH+/MH+) vs. PA(B) in metastable ion and CID experiments.; MM |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.3 | PE | Baker, Armen, et al., 1983 | LBLHLM |
9.2 | PE | Kimura, Katsumata, et al., 1981 | LLK |
9.9 | PE | Baker, Armen, et al., 1983 | Vertical value; LBLHLM |
9.78 | PE | Kimura, Katsumata, et al., 1981 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C2H5O+ | 10.36 ± 0.05 | CH3OCH2 | EI | Holmes and Lossing, 1984 | LBLHLM |
C2H5O+ | 10.27 | CH3OCH2 | EI | Lossing, 1977 | LLK |
Gas Chromatography
Go To: Top, Phase change data, Gas phase ion energetics data, 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
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Packed | SE-30 | 120. | 646. | García-Raso, Martínez-Castro, et al., 1987 | N2, Supelcoport; Column length: 3. m |
Packed | SE-30 | 150. | 635. | Tiess, 1984 | Ar, Gas Chrom Q (80-100 mesh); Column length: 3. m |
Packed | Apiezon L | 120. | 607. | Bogoslovsky, Anvaer, et al., 1978 | Celite 545 |
Packed | Apiezon L | 160. | 608. | Bogoslovsky, Anvaer, et al., 1978 | Celite 545 |
Kovats' RI, polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | Carbowax 20M | 120. | 918. | García-Raso, Martínez-Castro, et al., 1987 | N2, Supelcoport; Column length: 25. m; Column diameter: 0.22 mm |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Ultra-ALLOY-5 | 645. | Tsuge, Ohtan, et al., 2011 | 30. m/0.25 mm/0.25 μm, 40. C @ 2. min, 20. K/min, 320. C @ 13. min |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Squalane | 646. | Chen, 2008 | Program: not specified |
Capillary | Polydimethyl siloxanes | 641. | Zenkevich, 1997 | Program: not specified |
Capillary | Methyl Silicone | 641. | Zenkevich, 1995 | Program: not specified |
Packed | Apiezon L | 609.5 | Keiko, Prokop'ev, et al., 1972 | Program: not specified |
Packed | Squalane | 614.5 | Keiko, Prokop'ev, et al., 1972 | Program: not specified |
Normal alkane RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-Wax | 935. | Shimadzu, 2012 | 30. m/0.32 mm/0.50 μm, Helium, 4. K/min; Tstart: 40. C; Tend: 260. C |
Capillary | DB-Wax | 935. | Shimadzu Corporation, 2003 | 30. m/0.32 mm/0.5 μm, He, 4. K/min; Tstart: 40. C; Tend: 260. C |
References
Go To: Top, Phase change data, Gas phase ion energetics data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Guanquan, Ott, et al., 1986
Guanquan, C.; Ott, J.B.; Goates, J.R.,
(Solid+liquid) phase equilibria and solid-compound formation in 1,2-dimethoxyethane+tetrachloromethane, +trichlorofluoromethane, and +trichloromethane,
J. Chem. Thermodyn., 1986, 18, 31. [all data]
Anonymous, 1982
Anonymous, X.,
Glymes Grant Chemical, 1982, Baton Rouge, LA 1982. [all data]
Steele, Chirico, et al., 1996
Steele, W.V.; Chirico, R.D.; Knipmeyer, S.E.; Nguyen, A.; Smith, N.K.,
Thermodynamic properties and ideal-gas enthalpies of formation for butyl vinyl ether, 1,2-dimethoxyethane, methyl glycolate, bicyclo[2.2.1]hept-2-ene, 5-vinylbicyclo[2.2.1]hept-2-ene, trans-azobenzene, butyl acrylate, di-tert-butyl ether, and hexane-1,6-diol,
J. Chem. Eng. Data, 1996, 41, 1285-1302. [all data]
Quadri and Kudchadker, 1991
Quadri, S.K.; Kudchadker, A.P.,
Measurement of the critical temperatures and critical pressures of some thermally stable or mildly unstable esters, ketones, and ethers,
J. Chem. Thermodyn., 1991, 23, 129-34. [all data]
Kobe, Ravicz, et al., 1956
Kobe, K.A.; Ravicz, A.E.; Vohra, S.P.,
Critical Properties and Vapor Pressures of Some Ethers and Heterocyclic Compounds,
J. Chem. Eng. Data, 1956, 1, 50. [all data]
Majer and Svoboda, 1985
Majer, V.; Svoboda, V.,
Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [all data]
Li, Fang, et al., 2009
Li, Dan; Fang, Wenjun; Xie, Wenjie; Xing, Yan; Guo, Yongsheng; Lin, Ruisen,
Measurements on Vapor Pressure and Thermal Conductivity for Pseudo-binary Systems of a Hydrocarbon Fuel with Ethylene and Diethylene Glycol Dimethyl Ethers,
Energy Fuels, 2009, 23, 2, 794-798, https://doi.org/10.1021/ef8007163
. [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]
Stull, 1947
Stull, Daniel R.,
Vapor Pressure of Pure Substances. Organic and Inorganic Compounds,
Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022
. [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]
Morlender-Vais and Holmes, 2001
Morlender-Vais, N.; Holmes, J.L.,
Proton affinities of two weakly bidentate molecules: 1,2-Dimethoxyethane and methoxyacetone,
Int. J. Mass Spectrom., 2001, 210/211, 147. [all data]
Baker, Armen, et al., 1983
Baker, A.D.; Armen, G.H.; Funaro, S.,
Oral levels of crown ethers and related macrocycles studies by ultraviolet photoelectron spectroscopy: Relationship to complexation studies,
J. Chem. Soc. Dalton Trans., 1983, 2519. [all data]
Kimura, Katsumata, et al., 1981
Kimura, K.; Katsumata, S.; Achiba, Y.; Yamazaki, T.; Iwata, S.,
Ionization energies, Ab initio assignments, and valence electronic structure for 200 molecules
in Handbook of HeI Photoelectron Spectra of Fundamental Organic Compounds, Japan Scientific Soc. Press, Tokyo, 1981. [all data]
Holmes and Lossing, 1984
Holmes, J.L.; Lossing, F.P.,
Heats of formation of organic radicals from appearance energies,
Int. J. Mass Spectrom. Ion Processes, 1984, 58, 113. [all data]
Lossing, 1977
Lossing, F.P.,
Heats of formation of some isomeric [CnH2n+1]+ ions. Substitutional effects on ion stability,
J. Am. Chem. Soc., 1977, 99, 7526. [all data]
García-Raso, Martínez-Castro, et al., 1987
García-Raso, A.; Martínez-Castro, I.; Páez, M.I.; Sanz, J.; García-Raso, J.; Saura-Calixto, F.,
Gas Chromatographic Behaviour of Carbohydrate Trimethylsilyl Ethers. I. Aldopentoses,
J. Chromatogr., 1987, 398, 9-20, https://doi.org/10.1016/S0021-9673(01)96491-X
. [all data]
Tiess, 1984
Tiess, D.,
Gaschromatographische Retentionsindices von 125 leicht- bis mittelflüchtigen organischen Substanzen toxikologisch-analytischer Relevanz auf SE-30,
Wiss. Z. Wilhelm-Pieck-Univ. Rostock Math. Naturwiss. Reihe, 1984, 33, 6-9. [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]
Tsuge, Ohtan, et al., 2011
Tsuge, S.; Ohtan, H.; Watanabe, C.,
Pyrolysis - GC/MS Data Book of Synthetic Polymers, Elsevier, 2011, 420. [all data]
Chen, 2008
Chen, H.-F.,
Quantitative prediction of gas chromatography retention indices with support vector machines, radial basis neutral networks and multiple linear regression,
Anal. Chim. Acta, 2008, 609, 1, 24-36, https://doi.org/10.1016/j.aca.2008.01.003
. [all data]
Zenkevich, 1997
Zenkevich, I.G.,
Influence of the Variations of Dynamics Molecular Parameterts on the Additivity of Chromatigraphic Retention Indices of Products of Organic Reactions Relative to Initial Reagents,
Dokl. Akad. Nauk (Rus.), 1997, 353, 5, 625-627. [all data]
Zenkevich, 1995
Zenkevich, I.G.,
Calculation of Gas-Chromatographic Retention Indices from Physico-Chemical Constants of Organic Compounds,
Z. Anal. Chem., 1995, 50, 10, 1048-1056. [all data]
Keiko, Prokop'ev, et al., 1972
Keiko, V.V.; Prokop'ev, B.V.; Kuz'menko, L.P.; Kalinina, N.A.; Modonov, V.B.,
The use of an additive scheme of calculation of the indices of retention in gas-liquid chromatography communication. 3. Some regularities in the manifestation of the inductive effect,
Izv. Akad. Nauk Kaz. SSR Ser. Khim., 1972, 12, 2629-2633. [all data]
Shimadzu, 2012
Shimadzu, Pharmaceutical Related,
Analysis of pharmaceutical residual solvent (observation of separation) (1) - GC, 2012, retrieved from www.shimadzu.ru/applications/Applicationspdf/GC/Pharma/Pharmaceutical residual solvents GC.pdf. [all data]
Shimadzu Corporation, 2003
Shimadzu Corporation,
Analysis of pharmaceutical residual solvent (observation of separation), 2003, retrieved from http://www.shimadzu.com.br/analitica/aplicacoes/book/pharm69.pdf. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, Gas Chromatography, References
- Symbols used in this document:
AE Appearance energy IE (evaluated) Recommended ionization energy Pc Critical pressure Tboil Boiling point Tc Critical temperature Tfus Fusion (melting) point Vc Critical volume ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions ρc Critical density - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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