Benzofuran
- Formula: C8H6O
- Molecular weight: 118.1326
- IUPAC Standard InChIKey: IANQTJSKSUMEQM-UHFFFAOYSA-N
- CAS Registry Number: 271-89-6
- 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: Benzofurfuran; Benzo[b]furan; Coumarone; 1-Oxindene; 2,3-Benzofuran; NCI-C56166; Cumarone
- Permanent link for this species. Use this link for bookmarking this species for future reference.
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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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | 13.6 ± 0.7 | kJ/mol | Ccb | Steele and Chirico, 1990 |
Condensed 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
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°liquid | -34.83 ± 0.68 | kJ/mol | Ccb | Steele and Chirico, 1990 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -3970.74 ± 0.58 | kJ/mol | Ccb | Steele and Chirico, 1990 | Corresponding ΔfHºliquid = -34.83 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°liquid | 215.59 | J/mol*K | N/A | Chirico, Nguyen, et al., 1986 | DH |
Constant pressure heat capacity of liquid
Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
178.70 | 298.15 | Chirico, Nguyen, et al., 1986 | T = 10 to 450 K.; DH |
Phase change 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:
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
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 447.2 | K | N/A | Weast and Grasselli, 1989 | BS |
Tboil | 444.15 | K | N/A | Cooper, Crowne, et al., 1967 | Uncertainty assigned by TRC = 0.5 K; TRC |
Tboil | 442.15 | K | N/A | Gordy and Burrus, 1954 | Uncertainty assigned by TRC = 1.5 K; TRC |
Tboil | 447.15 | K | N/A | Perkin, 1896 | Uncertainty assigned by TRC = 0.5 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 48.4 ± 0.2 | kJ/mol | V | Steele and Chirico, 1990 | ALS |
ΔvapH° | 48.4 | kJ/mol | N/A | Steele and Chirico, 1990 | DRB |
Reduced pressure boiling point
Tboil (K) | Pressure (bar) | Reference | Comment |
---|---|---|---|
335. to 336. | 0.020 | Frinton Laboratories Inc., 1986 | BS |
439.6 to 441. | 0.980 | Buckingham and Donaghy, 1982 | BS |
370.6 to 372. | 0.11 | Buckingham and Donaghy, 1982 | BS |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
46.2 | 338. | A | Stephenson and Malanowski, 1987 | Based on data from 323. to 403. K.; AC |
Temperature of phase transition
Ttrs (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|
232.000 | crystaline, II | crystaline, I | Chirico, Nguyen, et al., 1986 | DH |
245.482 | crystaline, I | liquid | Chirico, Nguyen, et al., 1986 | DH |
Gas Chromatography
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change 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 |
---|---|---|---|---|---|
Capillary | HP-1 | 60. | 969. | Zhang, Li, et al., 1992 | N2; Column length: 25. m; Column diameter: 0.20 mm |
Capillary | HP-1 | 60. | 969. | Zhang, Li, et al., 1992 | N2; Column length: 25. m; Column diameter: 0.20 mm |
Capillary | HP-1 | 100. | 976. | Zhang, Li, et al., 1992 | N2; Column length: 25. m; Column diameter: 0.20 mm |
Capillary | OV-101 | 140. | 1005.8 | Gerasimenko, Kirilenko, et al., 1981 | N2; Column length: 50. m; Column diameter: 0.3 mm |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | SPB-5 | 1007. | Engel and Ratel, 2007 | 60. m/0.32 mm/1. μm, 40. C @ 2. min, 3. K/min, 230. C @ 10. min |
Capillary | DB-5 | 1006.0 | Xu, van Stee, et al., 2003 | 30. m/0.25 mm/1. μm, He, 2.5 K/min; Tstart: 50. C; Tend: 200. C |
Capillary | DB-5 | 996. | Rostad and Pereira, 1986 | 30. m/0.26 mm/0.25 μm, He, 50. C @ 4. min, 6. K/min, 300. C @ 20. min |
Van Den Dool and Kratz RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-5MS | 1015. | Varlet V., Knockaert C., et al., 2006 | 30. m/0.32 mm/0.5 μm, He; Program: 70C(1min) => 3C/min => 80C(1min) => 5C/min => 150C => 10C/min => 280C (4min) |
Capillary | HP-1 | 986. | Sing, Smadja, et al., 1992 | 50. m/0.32 mm/1.05 μm, He; Program: 20C(0.5min) => 60C => 4C/min => 250C |
Van Den Dool and Kratz RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | CP-WAX 57CB | 1486. | Salter L.J., Mottram D.S., et al., 1988 | 60. C @ 5. min, 4. K/min; Column length: 50. m; Column diameter: 0.32 mm; Tend: 200. C |
Capillary | CP-WAX 57CB | 1488. | Whitfield, Mottram, et al., 1988 | He, 60. C @ 5. min, 4. K/min, 200. C @ 10. min; Column length: 50. m; Column diameter: 0.32 mm |
Capillary | CP-WAX 57CB | 1489. | Whitfield, Mottram, et al., 1988 | He, 60. C @ 5. min, 4. K/min, 200. C @ 10. min; Column length: 50. m; Column diameter: 0.32 mm |
Van Den Dool and Kratz RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Supelcowax-10 | 1521. | Sing, Smadja, et al., 1992 | 60. m/0.25 mm/0.25 μm, He; Program: 20C(0.5min) => 60C => 4C/min => 250C |
Normal alkane RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Packed | Polydimethyl siloxane | 110. | 992. | Ferrand, 1962 |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | ZB-5 | 1000. | Harrison and Priest, 2009 | 30. m/0.25 mm/0.25 μm, Helium, 40. C @ 1. min, 6. K/min, 280. C @ 9. min |
Capillary | SPB-5 | 1006. | Poligné, Collignan, et al., 2001 | 60. m/0.32 mm/1. μm, He, 3. K/min; Tstart: 40. C; Tend: 200. C |
Capillary | DB-1 | 968. | Lu, Yu, et al., 1997 | 60. m/0.32 mm/1. μm, He, 40. C @ 2. min, 2. K/min, 280. C @ 40. min |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Polydimethyl siloxane with 5 % Ph groups | 1003. | Robinson, Adams, et al., 2012 | Program: not specified |
Capillary | Polydimethyl siloxane with 5 % Ph groups | 1007. | Robinson, Adams, et al., 2012 | Program: not specified |
Capillary | DB-5 | 988. | Yu and Zhang, 2010 | 30. m/0.25 mm/0.25 μm; Program: 40 0C (5 min) 5 0C/min -> 260 0C 15 0C/min -> 280 0C (1 min) |
Capillary | HP-5 | 995. | Zhao, Li, et al., 2008 | 30. m/0.25 mm/0.25 μm; Program: 40 0C (2 min) 5 0C/min -> 80 0C 7 oC/min -> 160 0C 9 0C/min -> 200 0C 20 0C/min -> 280 0C (10 min) |
Capillary | HP-5 | 1005. | Zhao, Li, et al., 2008 | 30. m/0.25 mm/0.25 μm; Program: not specified |
Capillary | Methyl phenyl siloxane (not specified) | 1007. | Poligne, Collignan, et al., 2002 | Program: not specified |
Capillary | DB-5 | 1005. | Mateo and Zumalacárregui, 1996 | 50. m/0.32 mm/0.25 μm, He; Program: 40C (10min) => 3C/min => 95C => 10C/min => 270C (10min) |
Capillary | Polydimethyl siloxane, unknown content of Ph-groups | 991. | Geldon, 1989 | Program: not specified |
Capillary | Polydimethyl siloxane, unknown content of Ph-groups | 996. | Geldon, 1989 | Program: not specified |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | BP-20 | 1496. | Pontes, Marques, et al., 2007 | 30. m/0.25 mm/0.25 μm, He; Program: 50C(1min) => 2.5C/min => 100C => 2C/min => 180C => 15C/min => 220C |
Lee's RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | HP-5 | 153.2 | Wang, Hou, et al., 2007 | 30. m/0.30 mm/0.25 μm, Helium, 50. C @ 5. min, 5. K/min, 200. C @ 15. min |
Capillary | HP-5 | 153.8 | Shao, Wang, et al., 2006 | 30. m/0.3 mm/0.25 μm, He, 50. C @ 5. min, 5. K/min, 200. C @ 15. min |
Capillary | DB-5 | 173.42 | Williams and Horne, 1995 | He, 60. C @ 2. min, 5. K/min; Column length: 25. m; Column diameter: 0.3 mm; Tend: 270. C |
Capillary | DB-5 | 160.51 | Rostad and Pereira, 1986 | 30. m/0.26 mm/0.25 μm, He, 50. C @ 4. min, 6. K/min, 300. C @ 20. min |
Lee's RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-5MS | 156.7 | Aracil, Font, et al., 2005 | Column length: 60. m; Column diameter: 0.25 mm; Program: not specified |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Steele and Chirico, 1990
Steele, W.V.; Chirico, R.D.,
Thermodynamics and the hydrodeoxygenation of 2,3-Benzofuran,
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Chirico, R.D.; Nguyen, A.; Steele, W.V.; Strube, M.M.; Hossenlopp, I.A.; Gammon, B.E.,
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Weast and Grasselli, 1989
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Cooper, Crowne, et al., 1967
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Gas-Liquid Chromatographic Studies of Electron-Donor-Acceptor Systems,
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Gordy and Burrus, 1954
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Perkin, 1896
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LXIX. On Magnetic Rotatory Power, especially of Aromatic Compounds,
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Frinton Laboratories Inc., 1986
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Dictionary of Organic Compounds: Fifth Edition, Chapman and Hall, New York, 1982, 1. [all data]
Stephenson and Malanowski, 1987
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Zhang, Li, et al., 1992
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Compositional studies of high-temperature coal tar by GC/FTIR analysis of light oil fractions,
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Gerasimenko, Kirilenko, et al., 1981
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Capillary gas chromatography of aromatic compounds found in coal tar fractions,
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Correction of the data generated by mass spectrometry analyses of biological tissues: Application to food authentication,
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Kovats and Lee retention indices determined by gas chromatography/mass spectrometry for organic compounds of environmental interest,
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Comparison of odor-active volatile compounds of fresh and smoked salmon,
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Volatile compounds produces in Maillard reactions involving glycine, ribose and phospholid,
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Effect of Phospholipid on the Formation of Volatile Heterocyclic Compounds in Heated Aqueous Solutions of Amino Acids and Ribose,
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Composition of peaks used in the preparation of malt for Scotch Whisky production - influence of geographical source and extraction depth,
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Generation of flavor compounds by the reaction of 2-deoxyglucose with selected amino acids,
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Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas Chromatography, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid S°liquid Entropy of liquid at standard conditions Tboil Boiling point Ttrs Temperature of phase transition ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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