Formic acid
- Formula: CH2O2
- Molecular weight: 46.0254
- IUPAC Standard InChIKey: BDAGIHXWWSANSR-UHFFFAOYSA-N
- CAS Registry Number: 64-18-6
- 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: Methanoic acid; Aminic acid; Bilorin; Collo-Bueglatt; Collo-Didax; Formisoton; Formylic acid; Hydrogen carboxylic acid; Myrmicyl; HCOOH; Acide formique; Acido formico; Ameisensaeure; Kwas metaniowy; Kyselina mravenci; Mierenzuur; Rcra waste number U123; UN 1779; Formira; Add-F; Amasil
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Gas phase thermochemistry data
Go To: Top, 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -378.6 | kJ/mol | Cm | Guthrie, 1974 | Heat of hydrolysis; ALS |
ΔfH°gas | -379.0 | kJ/mol | N/A | Lebedeva, 1964 | Value computed using ΔfHliquid° value of -425.5±0.3 kj/mol from Lebedeva, 1964 and ΔvapH° value of 46.5 kj/mol from Guthrie, 1974.; DRB |
ΔfH°gas | -379.2 ± 0.6 | kJ/mol | Ccb | Lebedeva, 1964 | Value computed using ΔfHliquid° from Lebedeva, 1964 and ΔvapH° value of 46.3 kJ/mol from Konicek and Wadso, 1970.; DRB |
ΔfH°gas | -378.3 | kJ/mol | N/A | Sinke, 1959 | Value computed using ΔfHliquid° value of -424.8±0.3 kj/mol from Sinke, 1959 and ΔvapH° value of 46.5 kj/mol from Guthrie, 1974.; DRB |
ΔfH°gas | -378.5 ± 0.6 | kJ/mol | Ccb | Sinke, 1959 | Value computed using ΔfHliquid° from Sinke, 1959 and ΔvapH° value of 46.3 kJ/mol from Konicek and Wadso, 1970.; DRB |
Quantity | Value | Units | Method | Reference | Comment |
S°gas | 248.70 ± 0.42 | J/mol*K | N/A | Millikan R.C., 1957 | Other third-law S(298.15 K) value is 248.11(1.26) J/mol*K [ Halford J.O., 1942, Millikan R.C., 1957]. Please also see Waring W., 1952.; GT |
Constant pressure heat capacity of gas
Cp,gas (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
33.26 | 50. | Chao J., 1986 | p=1 bar. Selected entropies and heat capacities are in close agreement with statistically calculated values [ Fukushima K., 1971] and value of S(298.15 K) calculated by ab initio method [ East A.L.L., 1997]. Maximum discrepancies with other statistical calculations [ Waring W., 1952, Green J.H.S., 1961, Gurvich, Veyts, et al., 1989] amount to 1.1-3.9 J/mol*K for S(T) and 3.0-5.9 J/mol*K for Cp(T). Please also see Chao J., 1978.; GT |
33.44 | 100. | ||
34.91 | 150. | ||
37.83 | 200. | ||
43.54 | 273.15 | ||
45.68 ± 0.07 | 298.15 | ||
45.84 | 300. | ||
54.52 | 400. | ||
62.63 | 500. | ||
69.81 | 600. | ||
76.04 | 700. | ||
81.34 | 800. | ||
85.77 | 900. | ||
89.40 | 1000. | ||
92.33 | 1100. | ||
94.65 | 1200. | ||
96.48 | 1300. | ||
97.91 | 1400. | ||
99.02 | 1500. |
IR Spectrum
Go To: Top, Gas phase thermochemistry 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, 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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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. |
---|---|
NIST MS number | 81 |
Gas Chromatography
Go To: Top, Gas phase thermochemistry 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
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-1 | 543. | Helmig, Pollock, et al., 1996 | 30. m/0.25 mm/1. μm, 6. K/min; Tstart: -50. C; Tend: 180. C |
Van Den Dool and Kratz RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Methyl Silicone | 512. | Peng, Yang, et al., 1991 | Program: not specified |
Packed | SE-30 | 512. | Peng, Ding, et al., 1988 | Supelcoport; Chromosorb; Column length: 3.05 m; Program: 40C(5min) => 10C/min => 200C or 250C (60min) |
Van Den Dool and Kratz RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-Wax | 1510. | Mahajan, Goddik, et al., 2004 | 30. m/0.25 mm/0.5 μm, He, 40. C @ 2. min, 5. K/min, 230. C @ 10. min |
Van Den Dool and Kratz RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Stabilwax | 1528. | Natali N., Chinnici F., et al., 2006 | 30. m/0.25 mm/0.25 μm, He; Program: 40C => 3C/min => 100C => 5C/min => 240C(10min) |
Capillary | DB-Wax | 1543.6 | Yang, Chyau, et al., 1998 | He; Column length: 50. m; Column diameter: 0.32 mm; Program: 50C => 2.5C/min => 150C => 1.5C/min => 210C |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | HP-1 | 495. | Castel, Fernandez, et al., 2006 | 50. m/0.2 mm/0.33 μm, He, 60. C @ 4. min, 2. K/min, 250. C @ 30. min |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Methyl Silicone | 490. | Zenkevich, Korolenko, et al., 1995 | Program: not specified |
Normal alkane RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-Wax | 1470. | Guo, Wu, et al., 2008 | 30. m/0.25 mm/0.25 μm, Helium, 60. C @ 2. min, 10. K/min, 250. C @ 10. min |
Capillary | DB-Wax | 1470. | Guo, Wu, et al., 2008 | 30. m/0.25 mm/0.25 μm, Helium, 60. C @ 2. min, 10. K/min, 250. C @ 10. min |
Capillary | DB-Wax | 1470. | Guo, Wu, et al., 2008 | 30. m/0.25 mm/0.25 μm, Helium, 60. C @ 2. min, 10. K/min, 250. C @ 10. min |
Capillary | RTX-Wax | 1485. | Prososki, Etzel, et al., 2007 | 30. m/0.25 mm/0.5 μm, He, 40. C @ 5. min, 10. K/min, 220. C @ 10. min |
Capillary | Supelcowax-10 | 1521. | Vichi, Castellote, et al., 2003 | 30. m/0.25 mm/0.25 μm, He, 40. C @ 10. min, 3. K/min; Tend: 200. C |
Capillary | DB-Wax | 1492. | Sekiwa, Kubota, et al., 1997 | He, 2. K/min; Column length: 60. m; Column diameter: 0.25 mm; Tstart: 60. C; Tend: 180. C |
Capillary | DB-Wax | 1499. | Umano, Hagi, et al., 1995 | He, 40. C @ 2. min, 2. K/min; Column length: 60. m; Column diameter: 0.25 mm; Tend: 200. C |
Capillary | FFAP | 1505. | Vernin, Metzger, et al., 1988 | He, 60. C @ 5. min, 2. K/min; Column length: 50. m; Column diameter: 0.28 mm; Tend: 240. C |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-Wax | 1501. | Gonzalez-Rios, Suarez-Quiroz, et al., 2007 | 30. m/0.25 mm/0.25 μm, Hydrogen; Program: 44 0C 3 0C/min -> 170 0C 8 0C/min -> 250 0C |
Capillary | CP-Wax 52CB | 1532. | Muresan, Eillebrecht, et al., 2000 | 50. m/0.32 mm/1.2 μm; Program: 40C(10min) => 3C/min => 190C => 10C/min => 250C(5min) |
Capillary | Polyethylene Glycol | 1533. | Zenkevich, Korolenko, et al., 1995 | Program: not specified |
References
Go To: Top, Gas phase thermochemistry 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.
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]
Lebedeva, 1964
Lebedeva, N.D.,
Heats of combustion of monocarboxylic acids,
Russ. J. Phys. Chem. (Engl. Transl.), 1964, 38, 1435-1437. [all data]
Konicek and Wadso, 1970
Konicek, J.; Wadso, I.,
Enthalpies of vaporization of organic compounds. VII. Some carboxylic acids,
Acta Chem. Scand., 1970, 24, 2612-26. [all data]
Sinke, 1959
Sinke, G.C.,
The heat of formation of formic acid,
J. Phys. Chem., 1959, 63, 2063. [all data]
Millikan R.C., 1957
Millikan R.C.,
Infrared spectra and vibrational assignment of monomeric formic acid,
J. Chem. Phys., 1957, 27, 1305-1308. [all data]
Halford J.O., 1942
Halford J.O.,
Entropy of the monomeric forms of formic acid and acetic acid,
J. Chem. Phys., 1942, 10, 582-584. [all data]
Waring W., 1952
Waring W.,
Some thermodynamic properties of formic acid,
Chem. Rev., 1952, 51, 171-183. [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]
Fukushima K., 1971
Fukushima K.,
Normal coordinate treatment and thermodynamic properties of the cis-trans isomers of formic acid and its deutero-analog,
J. Chem. Thermodyn., 1971, 3, 553-562. [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]
Green J.H.S., 1961
Green J.H.S.,
Thermodynamic properties of organic oxygen compounds. Part III. Formic acid,
J. Chem. Soc., 1961, 2241-2242. [all data]
Gurvich, Veyts, et al., 1989
Gurvich, L.V.; Veyts, I.V.; Alcock, C.B.,
Thermodynamic Properties of Individual Substances, 4th ed.; Vols. 1 and 2, Hemisphere, New York, 1989. [all data]
Chao J., 1978
Chao J.,
Ideal gas thermodynamic properties of methanoic and ethanoic acids,
J. Phys. Chem. Ref. Data, 1978, 7, 363-377. [all data]
Helmig, Pollock, et al., 1996
Helmig, D.; Pollock, W.; Greenberg, J.; Zimmerman, P.,
Gas chromatography mass spectrometry analysis of volatile organic trace gases at Mauna Loa Observatory, Hawaii,
J. Geophys. Res., 1996, 101, D9, 14697-14710, https://doi.org/10.1029/96JD00212
. [all data]
Peng, Yang, et al., 1991
Peng, C.T.; Yang, Z.C.; Maltby, D.,
Prediction of retention indexes. III. Silylated derivatives of polar compounds,
J. Chromatogr., 1991, 586, 1, 113-129, https://doi.org/10.1016/0021-9673(91)80029-G
. [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]
Mahajan, Goddik, et al., 2004
Mahajan, S.S.; Goddik, L.; Qian, M.C.,
Aroma Compounds in Sweet Whey Powder,
J. Dairy Sci., 2004, 87, 12, 4057-4063, https://doi.org/10.3168/jds.S0022-0302(04)73547-X
. [all data]
Natali N., Chinnici F., et al., 2006
Natali N.; Chinnici F.; Riponi C.,
Characterization of volatiles in extracts from oak chips obtained by accelerated solvent extraction (ASE),
J. Agric. Food Chem., 2006, 54, 21, 8190-8198, https://doi.org/10.1021/jf0614387
. [all data]
Yang, Chyau, et al., 1998
Yang, M.-S.; Chyau, C.-C.; Horng, D.-T.; Yang, J.-S.,
Effects of Irradiation and Drying on Volatile Components of Fresh Shiitake edodes (Lentinus Sing),
J. Sci. Food Agric., 1998, 76, 1, 72-76, https://doi.org/10.1002/(SICI)1097-0010(199801)76:1<72::AID-JSFA921>3.0.CO;2-0
. [all data]
Castel, Fernandez, et al., 2006
Castel, C.; Fernandez, X.; Lizzani-Cuvelier, L.; Loiseau, A.-M.; Perichet, C.; Delbecque, C.; Arnaudo, J.-F.,
Volatile constituents of benzoin gums: Siam and Sumatra, part 2. Study of headspace sampling methods,
Flavour Fragr. J., 2006, 21, 1, 59-67, https://doi.org/10.1002/ffj.1502
. [all data]
Zenkevich, Korolenko, et al., 1995
Zenkevich, I.G.; Korolenko, L.I.; Khralenkova, N.B.,
Desorption with solvent vapor as a method of sample preparation in the sorption preconcentration of organic-compounds from the air of a working area and from industrial-waste gases,
J. Appl. Chem. USSR (Engl. Transl.), 1995, 50, 10, 937-944. [all data]
Guo, Wu, et al., 2008
Guo, L.; Wu, J.-Z.; Han, T.; Cao, T.; Rahman, K.; Qin, L.-P.,
Chemical composition, antifungal and antitumor properties of ether extracts of Scapania verrucosa Heeg. and its endophytic fungus Chaetomium fusiforme,
Molecules, 2008, 13, 9, 2114-2125, https://doi.org/10.3390/molecules13092114
. [all data]
Prososki, Etzel, et al., 2007
Prososki, R.A.; Etzel, M.R.; Rankin, S.A.,
Solvent type affects the number, distribution, and relative quantities of volatile compounds found in sweet whey powder,
J. Dairy Sci., 2007, 90, 2, 523-531, https://doi.org/10.3168/jds.S0022-0302(07)71535-7
. [all data]
Vichi, Castellote, et al., 2003
Vichi, S.; Castellote, A.I.; Pizzale, L.; Conte, L.S.; Buxaderas, S.; López-Tamames, E.,
Analysis of virgin olive oil volatile compounds by headspace solid-phase microextraction coupled to gas chromatography with mass spectrometric and flame ionization detection,
J. Chromatogr. A, 2003, 983, 1-2, 19-33, https://doi.org/10.1016/S0021-9673(02)01691-6
. [all data]
Sekiwa, Kubota, et al., 1997
Sekiwa, Y.; Kubota, K.; Kobayashi, A.,
Characteristic flavor components in the brew of cooked clam (Meretrix lusoria) and the effect of storage on flavor formation,
J. Agric. Food Chem., 1997, 45, 3, 826-830, https://doi.org/10.1021/jf960433e
. [all data]
Umano, Hagi, et al., 1995
Umano, K.; Hagi, Y.; Nakahara, K.; Shyoji, A.; Shibamoto, T.,
Volatile chemicals formed in the headspace of a heated D-glucose/L-cysteine Maillard model system,
J. Agric. Food Chem., 1995, 43, 8, 2212-2218, https://doi.org/10.1021/jf00056a046
. [all data]
Vernin, Metzger, et al., 1988
Vernin, G.; Metzger, J.; Obretenov, T.; Suon, K.-N.; Fraisse, D.,
GC/MS (EI,PCI,SIM)-data bank analysis of volatile compounds arising from thermal degradation of glucose-valine amadori intermediates
in Flavors and Fragrances: A World Perspective. Proceedings of the 10th International Congress of Essential Oils, Fragrances and Flavors, Lawrence,B.M.; Mookherjee,B.D.; Willis,B.J., ed(s)., Elsevier, New York, 1988, 999-1028. [all data]
Gonzalez-Rios, Suarez-Quiroz, et al., 2007
Gonzalez-Rios, O.; Suarez-Quiroz, M.L.; Boulanger, R.; Barel, M.; Guyot, B.; Guiraud, J.-P.; Schorr-Galindo, S.,
Impact of ecological post-harvest processing of coffee aroma: II Roasted coffee.,
J. Food Composition Analysis, 2007, 20, 3-4, 297-307, https://doi.org/10.1016/j.jfca.2006.12.004
. [all data]
Muresan, Eillebrecht, et al., 2000
Muresan, S.; Eillebrecht, M.A.J.L.; de Rijk, T.C.; de Jonge, H.G.; Leguijt, T.; Nijhuis, H.H.,
Aroma profile development of intermediate chocolate products. I. Volatile constituents of block-milk,
Food Chem., 2000, 68, 2, 167-174, https://doi.org/10.1016/S0308-8146(99)00171-5
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, References
- Symbols used in this document:
Cp,gas Constant pressure heat capacity of gas S°gas Entropy of gas at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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