Methyl formate
- Formula: C2H4O2
- Molecular weight: 60.0520
- IUPAC Standard InChIKey: TZIHFWKZFHZASV-UHFFFAOYSA-N
- CAS Registry Number: 107-31-3
- 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: Formic acid, methyl ester; Methyl methanoate; HCOOCH3; Formiate de methyle; Methylester kyseliny mravenci; Methylformiaat; Methylformiat; Mravencan methylnaty; UN 1243; Methyl ester of formic acid; Methanoic acid methyl ester
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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:
DRB - Donald R. Burgess, Jr.
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -80.52 | kcal/mol | N/A | Gladii, Starchevskii, et al., 1990 | Value computed using ΔfHliquid° value of -365.9 kj/mol from Gladii, Starchevskii, et al., 1990 and ΔvapH° value of 29.0 kj/mol from Hine and Klueppet, 1974.; DRB |
ΔfH°gas | -83.41 | kcal/mol | N/A | Guthrie, 1974 | Value computed using ΔfHliquid° value of -378.0 kj/mol from Guthrie, 1974 and ΔvapH° value of 29.0 kj/mol from Hine and Klueppet, 1974.; DRB |
ΔfH°gas | -86.6 | kcal/mol | Cm | Hine and Klueppet, 1974 | ALS |
ΔfH°gas | -84.97 | kcal/mol | Ccr | Hall and Baldt, 1971 | ALS |
Constant pressure heat capacity of gas
Cp,gas (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
10.53 | 100. | Chao J., 1986 | p=1 bar. Recommended S(T) and Cp(T) values are in close agreement with statistical values calculated by [ Vay P.-M., 1971] (discrepancies in S(T) do not exceed 1.3 J/mol*K) and value of S(298.15 K)=286.10 J/mol*K determined from high accuracy ab initio calculation [ East A.L.L., 1997].; GT |
11.91 | 150. | ||
12.95 | 200. | ||
14.69 | 273.15 | ||
15.39 ± 0.02 | 298.15 | ||
15.44 | 300. | ||
18.54 | 400. | ||
21.58 | 500. | ||
24.276 | 600. | ||
26.592 | 700. | ||
28.568 | 800. | ||
30.261 | 900. | ||
31.711 | 1000. | ||
32.957 | 1100. | ||
34.030 | 1200. | ||
34.952 | 1300. | ||
35.750 | 1400. | ||
36.444 | 1500. |
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 as indicated in comments:
B - John E. Bartmess
ALS - 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
C2H3O2- + =
By formula: C2H3O2- + H+ = C2H4O2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | <384.00 | kcal/mol | CIDT | Graul and Squires, 1988 | gas phase; B |
ΔrH° | <391.75 ± 0.90 | kcal/mol | G+TS | DePuy, Grabowski, et al., 1985 | gas phase; HO- + DCO2CH3 -> (M-D)-. ΔHf(MeO- + CO) = -59.7 kcal/mol; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | <384.00 | kcal/mol | IMRB | DePuy, Grabowski, et al., 1985 | gas phase; HO- + DCO2CH3 -> (M-D)-. ΔHf(MeO- + CO) = -59.7 kcal/mol; B |
C2H3O2- + =
By formula: C2H3O2- + H+ = C2H4O2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 391.2 ± 4.1 | kcal/mol | G+TS | DePuy, Grabowski, et al., 1985 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 384.1 ± 4.0 | kcal/mol | IMRB | DePuy, Grabowski, et al., 1985 | gas phase; B |
By formula: C4H10O3 + H2O = C2H4O2 + 2CH4O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -2.29 ± 0.28 | kcal/mol | Cm | Hine and Klueppet, 1974 | liquid phase; ALS |
IR Spectrum
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Data compiled by: Coblentz Society, Inc.
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 | Squalane | 50. | 376. | Becerra, Sánchez, et al., 1982 | N2, Chromosorb W-AM; Column length: 6. m |
Packed | Squalane | 50. | 377. | Becerra, Sánchez, et al., 1982 | N2, Chromosorb W-AM; Column length: 6. m |
Packed | Porapack Q | 200. | 369. | Goebel, 1982 | N2 |
Packed | Apiezon L | 120. | 369. | Bogoslovsky, Anvaer, et al., 1978 | Celite 545 |
Packed | Apiezon L | 160. | 373. | Bogoslovsky, Anvaer, et al., 1978 | Celite 545 |
Packed | Apiezon L | 70. | 370. | Bogoslovsky, Anvaer, et al., 1978 | |
Packed | SE-30 | 150. | 386. | Ashes and Haken, 1974 | Celaton (62-72 mesh); Column length: 3.7 m |
Packed | Squalane | 50. | 373. | Mira and Sanchez, 1970 | Chromosorb G |
Packed | SE-30 | 150. | 380. | Germaine and Haken, 1969 | Celite 560; Column length: 3.7 m |
Packed | Apiezon L | 130. | 362. | Wehrli and Kováts, 1959 | Celite; Column length: 2.25 m |
Packed | Apiezon L | 70. | 370. | Wehrli and Kováts, 1959 | Celite; Column length: 2.25 m |
Kovats' RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | SE-30 | 386. | Chretien and Dubois, 1978 | Program: not specified |
Kovats' RI, polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Packed | Carbowax 20M | 75. | 779. | Goebel, 1982 | N2, Kieselgur (60-100 mesh); Column length: 2. m |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | HP-5 | 401.1 | Leffingwell and Alford, 2005 | 60. m/0.32 mm/0.25 μm, He, 30. C @ 2. min, 2. K/min, 260. C @ 28. min |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Methyl Silicone | 386. | Du and Feng, 2008 | Program: not specified |
Capillary | Methyl Silicone | 386. | N/A | Program: not specified |
Capillary | SPB-1 | 407. | 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 | 407. | 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 |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Carbowax 400, Carbowax 20M, Carbowax 1540, Carbowax 4000, Superox 06, PEG 20M, etc. | 757. | Waggott and Davies, 1984 | Hydrogen; Column length: 50. m; Column diameter: 0.32 mm; Program: not specified |
Capillary | Carbowax 400, Carbowax 20M, Carbowax 1540, Carbowax 4000, Superox 06, PEG 20M, etc. | 779. | Waggott and Davies, 1984 | Hydrogen; Column length: 50. m; Column diameter: 0.32 mm; Program: not specified |
Capillary | Carbowax 20M | 761. | 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.
Gladii, Starchevskii, et al., 1990
Gladii, S.L.; Starchevskii, M.K.; Pazderskii, Yu.A.; Moiseev, I.I.,
Chemical equilibrium in the methyl formate-water-methanol-formic acid system,
J. Appl. Chem. USSR, 1990, 63, 106-111. [all data]
Hine and Klueppet, 1974
Hine, J.; Klueppet, A.W.,
Structural effects on rates and equilibria. XVIII. Thermodynamic stability of ortho esters,
J. Am. Chem. Soc., 1974, 96, 2924-2929. [all data]
Guthrie, 1974
Guthrie, J.P.,
Hydration of carboxamides. Evaluation of the free energy change for addition of water to acetamide and formamide derivatives,
J. Am. Chem. Soc., 1974, 96, 3608-3615. [all data]
Hall and Baldt, 1971
Hall, H.K., Jr.; Baldt, J.H.,
Thermochemistry of strained-ring bridgehead nitriles and esters,
J. Am. Chem. Soc., 1971, 93, 140-145. [all data]
Chao J., 1986
Chao J.,
Thermodynamic properties of key organic oxygen compounds in the carbon range C1 to C4. Part 2. Ideal gas properties,
J. Phys. Chem. Ref. Data, 1986, 15, 1369-1436. [all data]
Vay P.-M., 1971
Vay P.-M.,
Tables of thermodynamic functions for gaseous methyl formate and methyl acetate,
J. Chim. Phys. Physico-Chim. Biol., 1971, 68, 1757-1758. [all data]
East A.L.L., 1997
East A.L.L.,
Ab initio statistical thermodynamical models for the computation of third-law entropies,
J. Chem. Phys., 1997, 106, 6655-6674. [all data]
Graul and Squires, 1988
Graul, S.T.; Squires, R.R.,
On the Existence of Alkyl Carbanions in the Gas Phase,
J. Am. Chem. Soc., 1988, 110, 2, 607, https://doi.org/10.1021/ja00210a054
. [all data]
DePuy, Grabowski, et al., 1985
DePuy, C.H.; Grabowski, J.J.; Bierbaum, V.M.; Ingemann, S.; Nibbering, N.M.M.,
Gas-phase reactions of anions with methyl formate and N,N-dimethylformamide,
J. Am. Chem. Soc., 1985, 107, 1093. [all data]
Becerra, Sánchez, et al., 1982
Becerra, M.R.; Sánchez, E.F.; Domínguez, J.A.G.; Muñoz, J.G.; Molera, M.J.,
The use of gaseous and liquid n-paraffins in GC identification of oxidation products of acetondimethyl acetal,
J. Chromatogr. Sci., 1982, 20, 8, 363-366, https://doi.org/10.1093/chromsci/20.8.363
. [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]
Ashes and Haken, 1974
Ashes, J.R.; Haken, J.K.,
Gas chromatography of homologous esters. VI. Structure-retention increments of aliphatic esters,
J. Chromatogr., 1974, 101, 1, 103-123, https://doi.org/10.1016/S0021-9673(01)94737-5
. [all data]
Mira and Sanchez, 1970
Mira, J.M.; Sanchez, L.G.,
Polarity of the Gas Chromatographic Stationary Phases and Retention Indices of Aliphatic Esters, Ketones and Alcohols,
Anal. Chim. Acta., 1970, 50, 2, 315-321, https://doi.org/10.1016/0003-2670(70)80071-X
. [all data]
Germaine and Haken, 1969
Germaine, R.W.; Haken, J.K.,
Gas chromatography of homologous esters. Part 1. Simple aliphatic esters,
J. Chromatogr., 1969, 43, 33-42, https://doi.org/10.1016/S0021-9673(00)99162-3
. [all data]
Wehrli and Kováts, 1959
Wehrli, A.; Kováts, E.,
Gas-chromatographische Charakterisierung ogranischer Verbindungen. Teil 3: Berechnung der Retentionsindices aliphatischer, alicyclischer und aromatischer Verbindungen,
Helv. Chim. Acta, 1959, 7, 7, 2709-2736, https://doi.org/10.1002/hlca.19590420745
. [all data]
Chretien and Dubois, 1978
Chretien, J.R.; Dubois, J-E.,
Topological Analysis: A Technique for the Physico-Chemical Exploitation of Retention Data in Gas-Liquid Chromatography,
J. Chromatogr., 1978, 158, 43-56, https://doi.org/10.1016/S0021-9673(00)89954-9
. [all data]
Leffingwell and Alford, 2005
Leffingwell, J.C.; Alford, E.D.,
Volatile constituents of Perique tobacco,
Electron. J. Environ. Agric. Food Chem., 2005, 4, 2, 899-915. [all data]
Du and Feng, 2008
Du, X.; Feng, C.,
Correlativity research between topological dyeing index and gas chromatography retention index of fatty esters,
J. Petrochem. Univ. (Chinese), 2008, 21, 1, 16-20. [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]
Waggott and Davies, 1984
Waggott, A.; Davies, I.W.,
Identification of organic pollutants using linear temperature programmed retention indices (LTPRIs) - Part II, 1984, retrieved from http://dwi.defra.gov.uk/research/completed-research/reports/dwi0383.pdf. [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]
Notes
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, IR Spectrum, Gas Chromatography, References
- Symbols used in this document:
Cp,gas Constant pressure heat capacity of gas 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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