1H-Pyrrole-2-carboxaldehyde
- Formula: C5H5NO
- Molecular weight: 95.0993
- IUPAC Standard InChIKey: ZSKGQVFRTSEPJT-UHFFFAOYSA-N
- CAS Registry Number: 1003-29-8
- 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: Pyrrole-2-carboxaldehyde; Pyrrole-2-aldehyde; 2-Formylpyrrole; 2-Pyrrolylcarboxaldehyde; α-Pyrrolaldehyde; 2-Pyrrolecarbaldehyde; 2-Pyrrolecarboxaldehyde; 1H-Pyrrole-2-carboxyaldehyde; 2-Carboxaldehyde-1H-pyrrole; 2-Pyrrolaldehyde; 2-Pyrrolcarbaldehyde; NSC 112885; NSC 66394; 1H-Pyrrole-2-carbaldehyde; 129006-63-9; 1-Pyrrole-2-carboxaldehyde; 1( H)-pyrrole carboxaldehyde; Pyrrol-2-carboxaldehyde; pyrrole-2-carbaldehyde
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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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°solid | -25.44 ± 0.60 | kcal/mol | Ccb | Stern and Klebs, 1933 | Reanalyzed by Cox and Pilcher, 1970, Original value = -24.3 kcal/mol; Heat of combustion at 288 K |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -615.60 ± 0.60 | kcal/mol | Ccb | Stern and Klebs, 1933 | Reanalyzed by Cox and Pilcher, 1970, Original value = -616.7 kcal/mol; Heat of combustion at 288 K |
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 by: Robert L. Brown and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 491.2 | K | N/A | Weast and Grasselli, 1989 |
IR Spectrum
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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: 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. |
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Origin | Sadtler Research Labs Under US-EPA Contract |
State | gas |
Mass spectrum (electron ionization)
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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: 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. |
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Origin | Japan AIST/NIMC Database- Spectrum MS-IW-8125 |
NIST MS number | 228196 |
UV/Visible spectrum
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Spectrum
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Additional Data
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Source | Matsuo and Shosenji, 1972 |
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Owner | INEP CP RAS, NIST OSRD Collection (C) 2007 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
Origin | INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS |
Source reference | RAS UV No. 16238 |
Instrument | Bausch and Lomb Spectronic 505 |
Melting point | 44.4-44.9 |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible spectrum, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Stern and Klebs, 1933
Stern, A.; Klebs, G.,
Calorimetrische bestimmungen bei mehrkernigen pyrrolderivaten. IV. 1. Experimentelle daten fur einige porphyrine, chlorine, phaophorbide and purpurine,
Ann. Chim., 1933, 505, 295-306. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]
Matsuo and Shosenji, 1972
Matsuo, T.; Shosenji, H.,
Bull. Chem. Soc. Japan, 1972, 45, 1349. [all data]
Notes
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- Symbols used in this document:
Tboil Boiling point ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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