Azulene
- Formula: C10H8
- Molecular weight: 128.1705
- IUPAC Standard InChIKey: CUFNKYGDVFVPHO-UHFFFAOYSA-N
- CAS Registry Number: 275-51-4
- 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. - Other names: Bicyclo[5.3.0]decapentaene; Cyclopentacycloheptene; Azunamic; Bicyclo(5.3.0)-1,3,5,7,9-decapentaene; Bicyclo(0.3.5)deca-1,3,5,7,9-pentaene; BICYCLO(5.3.0)-DECA-2,4,6,8,10-PENTAENE; Azusalen [as sodium sulfonate]
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Gas phase thermochemistry data
Go To: Top, 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 as indicated in comments:
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 | 308. | kJ/mol | Chyd | Roth, Bohm, et al., 1983 | ALS |
ΔfH°gas | 280. | kJ/mol | Ccb | Kovats, Gunthard, et al., 1957 | Correction to Kovats, Gunthard, et al., 1955; ALS |
Constant pressure heat capacity of gas
Cp,gas (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
81.96 | 200. | Kovats E., 1955 | GT |
128.41 | 298.15 | ||
129.41 | 300. | ||
176.36 | 400. | ||
216.27 | 500. | ||
248.19 | 600. | ||
274.30 | 700. | ||
295.35 | 800. | ||
312.75 | 900. | ||
327.36 | 1000. |
IR Spectrum
Go To: Top, Gas phase thermochemistry data, 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
Gas Phase Spectrum
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Additional Data
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Owner | NIST Standard Reference Data Program Collection (C) 2018 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | Sadtler Research Labs Under US-EPA Contract |
State | gas |
Gas Chromatography
Go To: Top, Gas phase 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 | C78, Branched paraffin | 130. | 1326.0 | Dallos, Sisak, et al., 2000 | He; Column length: 3.3 m |
Packed | C78, Branched paraffin | 130. | 1329.7 | Reddy, Dutoit, et al., 1992 | Chromosorb G HP; Column length: 3.3 m |
Capillary | OV-1 | 130. | 1296. | Engewald, Wennrich, et al., 1979 | Column length: 50. m; Column diameter: 0.23 mm |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-5 | 1311. | Rostad and Pereira, 1986 | 30. m/0.26 mm/0.25 μm, He, 50. C @ 4. min, 6. K/min, 300. C @ 20. min |
Capillary | SE-52 | 1292. | Carugno and Rossi, 1967 | N2, 1.8 K/min; Column length: 65. m; Column diameter: 0.3 mm; Tstart: 100. C; Tend: 300. C |
Van Den Dool and Kratz RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-Wax | 1706. | Shimoda, Wu, et al., 1996 | 60. m/0.25 mm/0.25 μm, He, 3. K/min; Tstart: 50. C; Tend: 230. C |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Methylsiloxane + 5 % Ph-groups | 1299. | Nadim, Malik, et al., 2011 | 30. m/0.25 mm/0.25 μm, Helium, 60. C @ 2. min, 7. K/min, 230. C @ 20. min |
Normal alkane RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | FFAP | 1729. | Piyachaiseth, Jirapakkul, et al., 2011 | 60. m/0.25 mm/0.25 μm, Helium, 45. C @ 1. min, 5. K/min, 220. C @ 5. min |
Capillary | Innowax | 1746. | Kaypak and Avsar, 2008 | 30. m/0.25 mm/0.25 μm, 40. C @ 5. min, 10. K/min, 200. C @ 15. min |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Supelcowax-10 | 1736. | Lee and Kim, 2002 | 30. m/0.32 mm/0.25 μm, Helium; Program: 40 0C (5 min) 4 0C/min -> 150 0C 8 0C/min -> 240 0C |
Capillary | CP-Wax 52CB | 1710. | Vernin, 1991 | Column length: 50. m; Column diameter: 0.32 mm; Program: not specified |
Lee's RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-5 | 223.74 | Rostad and Pereira, 1986 | 30. m/0.26 mm/0.25 μm, He, 50. C @ 4. min, 6. K/min, 300. C @ 20. min |
Capillary | SE-52 | 219.95 | Lee, Vassilaros, et al., 1979 | 12. m/0.3 mm/0.34 μm, He, 2. K/min; Tstart: 50. C; Tend: 250. C |
References
Go To: Top, Gas phase 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.
Roth, Bohm, et al., 1983
Roth, W.R.; Bohm, M.; Lenhartz, H-W.; Vogel, E.,
Heats of hydrogenation. Part 5. Resonance energy of bridged [10]annulenes,
Angew. Chem., 1983, 95, 1011-1012. [all data]
Kovats, Gunthard, et al., 1957
Kovats, E.; Gunthard, H.; Plattner, A.,
Die tabellen 4 und 5 enthalten numerische fehler und lanten richtig,
Helv. Chim. Acta, 1957, 40, 000. [all data]
Kovats, Gunthard, et al., 1955
Kovats, E.; Gunthard, Hs.H.; Plattner, Pl.A.,
Thermische eigenschaften von azulenen,
Helv. Chim. Acta, 1955, 38, 1912-1919. [all data]
Kovats E., 1955
Kovats E.,
Thermochemical properties of azulene,
Helv. Chim. Acta, 1955, 38, 1912-1919. [all data]
Dallos, Sisak, et al., 2000
Dallos, A.; Sisak, A.; Kulcsár, Z.; Kováts, E.,
Pair-wise interactions by gas chromatography VII. Interaction free enthalpies of solutes with secondary alcohol groups,
J. Chromatogr. A, 2000, 904, 2, 211-242, https://doi.org/10.1016/S0021-9673(00)00908-0
. [all data]
Reddy, Dutoit, et al., 1992
Reddy, K.S.; Dutoit, J.-Cl.; Kovats, E. sz.,
Pair-wise interactions by gas chromatography. I. Interaction free enthalpies of solutes with non-associated primary alcohol groups,
J. Chromatogr., 1992, 609, 1-2, 229-259, https://doi.org/10.1016/0021-9673(92)80167-S
. [all data]
Engewald, Wennrich, et al., 1979
Engewald, W.; Wennrich, L.; Ritter, E.,
Molekülstruktur und Retentionsverhalten. XII. Zur Retention von Alkylnaphthalinen Bei der Gasverteilungs- und Gas-Adsorptions-Chromatographie,
J. Chromatogr., 1979, 174, 2, 315-323, https://doi.org/10.1016/S0021-9673(00)86005-7
. [all data]
Rostad and Pereira, 1986
Rostad, C.E.; Pereira, W.E.,
Kovats and Lee retention indices determined by gas chromatography/mass spectrometry for organic compounds of environmental interest,
J. Hi. Res. Chromatogr. Chromatogr. Comm., 1986, 9, 6, 328-334, https://doi.org/10.1002/jhrc.1240090603
. [all data]
Carugno and Rossi, 1967
Carugno, N.; Rossi, S.,
Evaluation of polynuclear hydrocarbons in cigarette smoke by glass capillary columns,
J. Gas Chromatogr., 1967, 5, 2, 103-106, https://doi.org/10.1093/chromsci/5.2.103
. [all data]
Shimoda, Wu, et al., 1996
Shimoda, M.; Wu, Y.; Osajima, Y.,
Aroma compounds from aqueous solution of Haze (Rhus succedanea) honey determined by adsorptive column chromatography,
J. Agric. Food Chem., 1996, 44, 12, 3913-3918, https://doi.org/10.1021/jf9601168
. [all data]
Nadim, Malik, et al., 2011
Nadim, M.M.; Malik, A.A.; Ahmad, J.; Bakshi, S.K.,
The essential oil composition of Achillea millefolium L. cultivated under tropical conditions in India,
World J. Agricultural Sci., 2011, 7, 5, 561-565. [all data]
Piyachaiseth, Jirapakkul, et al., 2011
Piyachaiseth, T.; Jirapakkul, W.; Chaiseri, S.,
Aroma compounds of flash-fried rice,
Kasetsart J. (Nat. Sci.), 2011, 45, 717-729. [all data]
Kaypak and Avsar, 2008
Kaypak, D.; Avsar, Y.K.,
Volatile and odor-active compounds of tuzlu yoghurt,
Asian J. Chem., 2008, 20, 5, 3641-3648. [all data]
Lee and Kim, 2002
Lee, D.-S.; Kim, N.-S.,
Identification of fragrances from chestnut blossom by gas chromatography-ion trap mass spectrometry,
Bull. Korean Chem. Soc., 2002, 23, 11, 1647-1650, https://doi.org/10.5012/bkcs.2002.23.11.1647
. [all data]
Vernin, 1991
Vernin, G.,
Volatile constituents of the essential oil of Santolina chamaecyparissus L.,
J. Essent. Oil Res., 1991, 3, 1, 49-53, https://doi.org/10.1080/10412905.1991.9697907
. [all data]
Lee, Vassilaros, et al., 1979
Lee, M.L.; Vassilaros, D.L.; White, C.M.; Novotny, M.,
Retention Indices for Programmed-Temperature Capillary-Column Gas Chromatography of Polycyclic Aromatic Hydrocarbons,
Anal. Chem., 1979, 51, 6, 768-773, https://doi.org/10.1021/ac50042a043
. [all data]
Notes
Go To: Top, Gas phase 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 - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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