Ethanol, 2-methoxy-
- Formula: C3H8O2
- Molecular weight: 76.0944
- IUPAC Standard InChI: InChI=1S/C3H8O2/c1-5-3-2-4/h4H,2-3H2,1H3
- IUPAC Standard InChIKey: XNWFRZJHXBZDAG-UHFFFAOYSA-N
- CAS Registry Number: 109-86-4
- 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. - Species with the same structure:
- Other names: β-Methoxyethanol; Dowanol EM; Ethylene glycol monomethyl ether; Methoxyethanol; Methyl cellosolve; Monomethyl glycol; MECS; Poly-Solv EM; 1-Hydroxy-2-methoxyethane; 2-Methoxy-1-ethanol; 2-Methoxyethanol; HOCH2CH2OCH3; 2-Hydroxyethyl methyl ether; Aethylenglykol-monomethylaether; Ether monomethylique de l'ethylene-glycol; Ethylene glycol methyl ether; Glycol monomethyl ether; Glycolmethyl ether; Methoxyhydroxyethane; Methyl glycol; Methyl oxitol; Methylglykol; Metil cellosolve; Metoksyetylowy alkohol; Monomethyl ether of ethylene glycol; 2-Methoxy-aethanol; 2-Metossietanolo; EGME; Glycol ether EM; Jeffersol EM; Methylcelosolv; Methyl ethoxol; Prist; UN 1188; Methoxyethylene glycol; Ektasolve EM; 2-Methoxyethyl alcohol; Methyl icinol; 3-Oxa-1-butanol; Amsco-Solv EE; Monoethylene glycol methyl ether; NSC 1258; EGM; 2-methoxyethanol (methyl cellosolve)
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Gas phase 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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | -90.1 ± 1.9 | kcal/mol | Cm | Guthrie, 1977 | Hydrolysis; ALS |
| ΔfH°gas | -94.62 | kcal/mol | N/A | Simonetta, 1947 | Value computed using ΔfHliquid° value of -441.0 kj/mol from Simonetta, 1947 and ΔvapH° value of 45.1 kj/mol from Guthrie, 1977.; DRB |
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: John E. Bartmess
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
C3H7O2- + =
By formula: C3H7O2- + H+ = C3H8O2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 373.7 ± 2.1 | kcal/mol | G+TS | Bartmess, Scott, et al., 1979 | gas phase; value altered from reference due to change in acidity scale |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 366.8 ± 2.0 | kcal/mol | IMRE | Bartmess, Scott, et al., 1979 | gas phase; value altered from reference due to change in acidity scale |
IR Spectrum
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Data compiled by: Coblentz Society, Inc.
- Not specified, most likely a prism, grating, or hybrid spectrometer.; (NO SPECTRUM, ONLY SCANNED IMAGE IS AVAILABLE)
- SOLUTION (10% IN CCl4 FOR 3800-1300, 10% IN CS2 FOR 1300-670, 10% IN CCl4 FOR 670-250 CM-1) VERSUS SOLVENT; PERKIN-ELMER 521 (GRATING); DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 4 cm-1 resolution
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Gas Chromatography
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry 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
| Column type | Active phase | Temperature (C) | I | Reference | Comment |
|---|---|---|---|---|---|
| Packed | SE-30 | 150. | 630. | Tiess, 1984 | Ar, Gas Chrom Q (80-100 mesh); Column length: 3. m |
| Packed | Porapack Q | 200. | 588. | Goebel, 1982 | N2 |
| Packed | Apiezon L | 120. | 591. | Bogoslovsky, Anvaer, et al., 1978 | Celite 545 |
| Packed | Apiezon L | 160. | 595. | Bogoslovsky, Anvaer, et al., 1978 | Celite 545 |
Kovats' RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | CBP-1 | 617. | Shimadzu, 2003 | 25. m/0.2 mm/0.25 μm, He, 50. C @ 5. min, 4. K/min; Tend: 200. C |
Kovats' RI, polar column, isothermal
| Column type | Active phase | Temperature (C) | I | Reference | Comment |
|---|---|---|---|---|---|
| Capillary | Supelcowax-10 | 60. | 1184. | Castello, Vezzani, et al., 1991 | N2; Column length: 60. m; Column diameter: 0.75 mm |
| Packed | Carbowax 20M | 75. | 1225. | Goebel, 1982 | N2, Kieselgur (60-100 mesh); Column length: 2. m |
Kovats' RI, polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | CBP-20 | 1180. | Shimadzu, 2003 | 25. m/0.2 mm/0.25 μm, He, 50. C @ 5. min, 4. K/min; Tend: 200. C |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | Ultra-2 | 624. | Poskrobko, Linkiewicz, et al., 1994 | 25. m/0.32 mm/0.52 μm, H2, 8. K/min; Tstart: 50. C; Tend: 310. C |
| Capillary | DB-5 | 635. | Olson, Wong, et al., 1987 | 30. m/0.32 mm/1.0 μm, 5. K/min; Tstart: 20. C; Tend: 200. C |
Van Den Dool and Kratz RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Packed | SE-30 | 629. | Peng, Ding, et al., 1988 | Supelcoport; Chromosorb; Column length: 3.05 m; Program: 40C(5min) => 10C/min => 200C or 250C (60min) |
| Packed | SE-30 | 629. | Peng, Ding, et al., 1988 | Supelcoport; Chromosorb; Column length: 3.05 m; Program: 40C(5min) => 10C/min => 200C or 250C (60min) |
Normal alkane RI, non-polar column, isothermal
| Column type | Active phase | Temperature (C) | I | Reference | Comment |
|---|---|---|---|---|---|
| Capillary | DB-1 | 60. | 618. | Shimadzu, 2003, 2 | 60. m/0.32 mm/1. μm, He |
| Packed | DC-400 | 150. | 646. | Anderson, 1968 | Helium, Gas-Pak (60-80 mesh); Column length: 3.0 m |
Normal alkane RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | Ultra-ALLOY-5 | 626. | Tsuge, Ohtan, et al., 2011 | 30. m/0.25 mm/0.25 μm, 40. C @ 2. min, 20. K/min, 320. C @ 13. min |
| Capillary | OV-101 | 623. | Zenkevich, 2005 | 25. m/0.20 mm/0.10 μm, N2/He, 6. K/min; Tstart: 50. C; Tend: 250. C |
| Capillary | BP-1 | 616. | Health Safety Executive, 2000 | 50. m/0.22 mm/0.75 μm, He, 5. K/min; Tstart: 50. C; Tend: 200. C |
| Capillary | DB-5 | 635.3 | Olson, Wong, et al., 1988 | 30. m/0.32 mm/1. μm, 5. K/min; Tstart: 20. C; Tend: 200. C |
Normal alkane RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | SPB-1 | 617. | Flanagan, Streete, et al., 1997 | 60. m/0.53 mm/5. μm, He; Program: 40C(6min) => 5C/min => 80C => 10C/min => 200C |
| Capillary | SPB-1 | 617. | Strete, Ruprah, et al., 1992 | 60. m/0.53 mm/5.0 μm, Helium; Program: 40 0C (6 min) 5 0C/min -> 80 0C 10 0C/min -> 200 0C |
| Capillary | SPB-1 | 616. | Strete, Ruprah, et al., 1992 | 60. m/0.53 mm/5.0 μm, Helium; Program: not specified |
| Capillary | OV-1 | 616. | Ramsey and Flanagan, 1982 | Program: not specified |
Normal alkane RI, polar column, isothermal
| Column type | Active phase | Temperature (C) | I | Reference | Comment |
|---|---|---|---|---|---|
| Capillary | DB-Wax | 60. | 1202. | Shimadzu, 2003, 2 | 50. m/0.32 mm/1. μm, He |
Normal alkane RI, polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | DB-Wax | 1199. | Shimadzu, 2012 | 30. m/0.32 mm/0.50 μm, Helium, 4. K/min; Tstart: 40. C; Tend: 260. C |
| Capillary | DB-Wax | 1199. | Shimadzu Corporation, 2003 | 30. m/0.32 mm/0.5 μm, He, 4. K/min; Tstart: 40. C; Tend: 260. C |
Normal alkane RI, polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | Carbowax 20M | 1172. | Ramsey and Flanagan, 1982 | Program: not specified |
References
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry 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.
Guthrie, 1977
Guthrie, J.P.,
Cyclization of glycol monoesters to give hemiorthoesters: a test of the thermochemical method for determining free energies of tetrahedral intermediates,
Can. J. Chem., 1977, 55, 3562-3574. [all data]
Simonetta, 1947
Simonetta, M.,
II problema termico nella catena di reazioni tra ossido di etilene ed alcool metilico,
Chimi. Ind. (Milan), 1947, 29, 37-39. [all data]
Bartmess, Scott, et al., 1979
Bartmess, J.E.; Scott, J.A.; McIver, R.T., Jr.,
The gas phase acidity scale from methanol to phenol,
J. Am. Chem. Soc., 1979, 101, 6047. [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]
Goebel, 1982
Goebel, K.-J.,
Gaschromatographische Identifizierung Niedrig Siedender Substanzen Mittels Retentionsindices und Rechnerhilfe,
J. Chromatogr., 1982, 235, 1, 119-127, https://doi.org/10.1016/S0021-9673(00)95793-5
. [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]
Shimadzu, 2003
Shimadzu,
Gas chromatography analysis of organic solvents using capillary columns (No. 2), 2003, retrieved from http://www.shimadzu.com/apps/form.cfm. [all data]
Castello, Vezzani, et al., 1991
Castello, G.; Vezzani, S.; Gerbino, T.,
Gas chromatographic separation and automatic identification of complex mixtures of organic solvents in indrustrial wates,
J. Chromatogr., 1991, 585, 2, 273-280, https://doi.org/10.1016/0021-9673(91)85088-W
. [all data]
Poskrobko, Linkiewicz, et al., 1994
Poskrobko, J.; Linkiewicz, M.; Jaworski, M.,
Analysis of high-boiling ethoxylates of methyl, ethyl and butyl alcohols, with the use of gas chromatography,
Chem. Anal. (Warsaw), 1994, 39, 2, 153-159. [all data]
Olson, Wong, et al., 1987
Olson, K.L.; Wong, C.A.; Fleck, L.L.; Lazar, D.F.,
Qualitative and Quantitative Determination of Solvent Formulations in Automotive Paints,
J. Chromatogr. Sci., 1987, 25, 9, 418-423, https://doi.org/10.1093/chromsci/25.9.418
. [all data]
Peng, Ding, et al., 1988
Peng, C.T.; Ding, S.F.; Hua, R.L.; Yang, Z.C.,
Prediction of Retention Indexes I. Structure-Retention Index Relationship on Apolar Columns,
J. Chromatogr., 1988, 436, 137-172, https://doi.org/10.1016/S0021-9673(00)94575-8
. [all data]
Shimadzu, 2003, 2
Shimadzu,
Gas chromatography analysis of organic solvents using capillary columns (No. 3), 2003, retrieved from http://www.shimadzu.com/apps/form.cfm. [all data]
Anderson, 1968
Anderson, D.G.,
USe of Kovats retention indices and response factors for the qualitative and quantitative analysis of coating solvents,
J. Paint Technol., 1968, 40, 527, 549-557. [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]
Zenkevich, 2005
Zenkevich, I.G.,
Experimentally measured retention indices., 2005. [all data]
Health Safety Executive, 2000
Health Safety Executive,
MDHS 96 Volatile organic compounds in air - Laboratory method using pumed solid sorbent tubes, solvent desorption and gas chromatography
in Methods for the Determination of Hazardous Substances (MDHS) guidance, Crown, Colegate, Norwich, 2000, 1-24, retrieved from http://www.hse.gov.uk/pubns/mdhs/pdfs/mdhs96.pdf. [all data]
Olson, Wong, et al., 1988
Olson, K.L.; Wong, C.A.; Fleck, L.L.; Lazar, D.F.,
Qualitative and quantitative determination of solvent formulations in automotive paints,
J. Coat. Technol., 1988, 60, 762, 45-50. [all data]
Flanagan, Streete, et al., 1997
Flanagan, R.J.; Streete, P.J.; Ramsey, J.D.,
Volatile Substance Abuse, UNODC Technical Series, No 5, United Nations, Office on Drugs and Crime, Vienna International Centre, PO Box 500, A-1400 Vienna, Austria, 1997, 56, retrieved from http://www.odccp.org/pdf/technicalseries1997-01-011.pdf. [all data]
Strete, Ruprah, et al., 1992
Strete, P.J.; Ruprah, M.; Ramsey, J.D.; Flanagan, R.J.,
Detection and identification of volatile substances by headspace capillary gas chromatography to aid the diagnosis of acute poisoning,
Analyst, 1992, 117, 7, 1111-1127, https://doi.org/10.1039/an9921701111
. [all data]
Ramsey and Flanagan, 1982
Ramsey, J.D.; Flanagan, R.J.,
Detection and Identification of Volatile Organic Compounds in Blood by Headspace Gas Chromatography as an Aid to the Diagnosis of Solvent Abuse,
J. Chromatogr., 1982, 240, 2, 423-444, https://doi.org/10.1016/S0021-9673(00)99622-5
. [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, Gas phase thermochemistry data, Reaction thermochemistry data, IR Spectrum, Gas Chromatography, References
- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas at standard conditions 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
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