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
Go To: Top, Phase change data, IR Spectrum, Mass spectrum (electron ionization), 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:
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 | -336.9 | kJ/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 | -349.0 | kJ/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 | -362. | kJ/mol | Cm | Hine and Klueppet, 1974 | ALS |
ΔfH°gas | -355.5 | kJ/mol | Ccr | Hall and Baldt, 1971 | ALS |
Constant pressure heat capacity of gas
Cp,gas (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
44.06 | 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 |
49.84 | 150. | ||
54.18 | 200. | ||
61.45 | 273.15 | ||
64.38 ± 0.09 | 298.15 | ||
64.61 | 300. | ||
77.56 | 400. | ||
90.29 | 500. | ||
101.57 | 600. | ||
111.26 | 700. | ||
119.53 | 800. | ||
126.61 | 900. | ||
132.68 | 1000. | ||
137.89 | 1100. | ||
142.38 | 1200. | ||
146.24 | 1300. | ||
149.58 | 1400. | ||
152.48 | 1500. |
Phase change data
Go To: Top, Gas phase thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), 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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
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 | 305. ± 1. | K | AVG | N/A | Average of 20 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 173.2 | K | N/A | Timmermans, 1935 | Uncertainty assigned by TRC = 2. K; TRC |
Tfus | 173.4 | K | N/A | Timmermans, 1911 | Uncertainty assigned by TRC = 0.3 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 487.2 | K | N/A | Majer and Svoboda, 1985 | |
Tc | 487.2 | K | N/A | Young, 1910 | Uncertainty assigned by TRC = 1. K; TRC |
Tc | 487.2 | K | N/A | Young and Thomas, 1893 | Uncertainty assigned by TRC = 1. K; TRC |
Tc | 523.7 | K | N/A | De Heen, 1888 | Uncertainty assigned by TRC = 20. K; TRC |
Tc | 485.2 | K | N/A | Nadezhdin, 1887 | Uncertainty assigned by TRC = 2. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 60.04 | bar | N/A | Young, 1910 | Uncertainty assigned by TRC = 0.6079 bar; TRC |
Pc | 60.075 | bar | N/A | Young and Thomas, 1893 | Uncertainty assigned by TRC = 0.40 bar; TRC |
Pc | 62.47 | bar | N/A | Nadezhdin, 1887 | Uncertainty assigned by TRC = 2.0265 bar; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ρc | 5.818 | mol/l | N/A | Young, 1910 | Uncertainty assigned by TRC = 0.08 mol/l; TRC |
ρc | 5.818 | mol/l | N/A | Young and Thomas, 1893 | Uncertainty assigned by TRC = 0.07 mol/l; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 29. ± 2. | kJ/mol | AVG | N/A | Average of 6 values; Individual data points |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
27.92 | 304.7 | N/A | Majer and Svoboda, 1985 | |
29.6 | 292. | A | Stephenson and Malanowski, 1987 | Based on data from 279. to 305. K.; AC |
28.4 | 320. | A | Stephenson and Malanowski, 1987 | Based on data from 305. to 443. K.; AC |
28.7 ± 0.1 | 293. | C | Cihlár, Hynek, et al., 1976 | AC |
27.9 ± 0.1 | 305. | C | Cihlár, Hynek, et al., 1976 | AC |
27.4 ± 0.1 | 313. | C | Cihlár, Hynek, et al., 1976 | AC |
30.1 | 283. | BG | Baldt and Hall, 1971 | Based on data from 261. to 305. K.; AC |
Enthalpy of vaporization
ΔvapH =
A exp(-βTr) (1 − Tr)β
ΔvapH =
Enthalpy of vaporization (at saturation pressure)
(kJ/mol)
Tr = reduced temperature (T / Tc)
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Temperature (K) | A (kJ/mol) | β | Tc (K) | Reference | Comment |
---|---|---|---|---|---|
293. to 314. | 46.09 | 0.3119 | 487.2 | Majer and Svoboda, 1985 |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
294. to 304.9 | 0.25097 | 6.524 | -278.54 | Nelson, 1928 | Coefficents calculated by NIST from author's data. |
IR Spectrum
Go To: Top, Gas phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), Gas Chromatography, References, Notes
Data compiled by: Coblentz Society, Inc.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Mass spectrum (electron ionization)
Go To: Top, Gas phase thermochemistry data, Phase change data, IR Spectrum, 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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
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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 | Japan AIST/NIMC Database- Spectrum MS-NW-3741 |
NIST MS number | 228212 |
Gas Chromatography
Go To: Top, Gas phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), 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, Phase change data, IR Spectrum, Mass spectrum (electron ionization), 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]
Timmermans, 1935
Timmermans, J.,
Researches in Stoichiometry. I. The Heat of Fusion of Organic Compounds.,
Bull. Soc. Chim. Belg., 1935, 44, 17-40. [all data]
Timmermans, 1911
Timmermans, J.,
Researches on the freezing point of organic liquid compounds,
Bull. Soc. Chim. Belg., 1911, 25, 300. [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]
Young, 1910
Young, S.,
The Internal Heat of Vaporization constants of thirty pure substances,
Sci. Proc. R. Dublin Soc., 1910, 12, 374. [all data]
Young and Thomas, 1893
Young, S.; Thomas, G.L.,
The vapour pressures, molecular volumes, and critical constants of ten of the lower esters,
J. Chem. Soc., 1893, 63, 1191. [all data]
De Heen, 1888
De Heen, P.,
Research on Physics and Theory of Liquids, Experimental Part Paris, 1888. [all data]
Nadezhdin, 1887
Nadezhdin, A.,
Rep. Phys., 1887, 23, 708. [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]
Cihlár, Hynek, et al., 1976
Cihlár, J.; Hynek, V.; Svoboda, V.; Holub, R.,
Heats of vaporization of alkyl esters of formic acid,
Collect. Czech. Chem. Commun., 1976, 41, 1, 1-6, https://doi.org/10.1135/cccc19760001
. [all data]
Baldt and Hall, 1971
Baldt, J.H.; Hall, H.K.K., Jr.,
Thermochemistry of strained-ring bridgehead nitriles and esters,
J. Am. Chem. Soc., 1971, 93, 140-145. [all data]
Nelson, 1928
Nelson, O.A.,
Vapor Pressures of Fumigants: II---Methyl, Ethyl, n-Propyl, Isopropyl, n-Butyl, Secondary Butyl and Isobutyl Formates 1,
Ind. Eng. Chem., 1928, 20, 12, 1382-1384, https://doi.org/10.1021/ie50228a035
. [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, Phase change data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, References
- Symbols used in this document:
Cp,gas Constant pressure heat capacity of gas Pc Critical pressure Tboil Boiling point Tc Critical temperature Tfus Fusion (melting) point ΔfH°gas Enthalpy of formation of gas at standard conditions 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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