2-Pentenal, 2-methyl-
- Formula: C6H10O
- Molecular weight: 98.1430
- IUPAC Standard InChIKey: IDEYZABHVQLHAF-UHFFFAOYSA-N
- CAS Registry Number: 623-36-9
- 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. - Stereoisomers:
- Other names: α-Methyl-β-ethylacrolein; β-Ethyl-α-methylacrolein; 2-Methyl-2-pentenal; 2-Methyl-3-ethylacrolein; CH3CH2CH=C(CH3)CHO; 2-Methyl-2-pentenoic aldehyde; 2-Methyl-2-penten-1-al; 2-Methyl-2-pentene-1-al; 2-Methylpent-2-enal; NSC 9464; 2-Methylpentenal; (Z)-2-Methylpent-2-enal
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Condensed phase thermochemistry data
Go To: Top, 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔcH°liquid | -904.2 | kcal/mol | Ccb | Clopatt, 1932 | Corresponding ΔfHºliquid = -1.7 kcal/mol (simple calculation by NIST; no Washburn corrections) |
Phase change data
Go To: Top, Condensed 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 as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
BS - Robert L. Brown and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 409.15 | K | N/A | Komarewsky and Kritchevsky, 1943 | Uncertainty assigned by TRC = 2. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 178.6 | K | N/A | Anonymous, 1955 | Uncertainty assigned by TRC = 0.6 K; TRC |
Reduced pressure boiling point
Tboil (K) | Pressure (atm) | Reference | Comment |
---|---|---|---|
410.7 | 1.01 | Aldrich Chemical Company Inc., 1990 | BS |
IR Spectrum
Go To: Top, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), 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, Condensed phase thermochemistry data, Phase change 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
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 | 944 |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Clopatt, 1932
Clopatt, J.A.,
Eine neue Methode zur Bestimmung der Verbrennungswarme fluchtiger Stoffe,
Soc. Scient. Fenn. Commentat. Phys. Math., 1932, 6, 1-15. [all data]
Komarewsky and Kritchevsky, 1943
Komarewsky, V.I.; Kritchevsky, T.H.,
Synthesis of Olefin Hydrocarbons by Catalytic Condensation and Dehydration of Aliphatic Aldehydes,
J. Am. Chem. Soc., 1943, 65, 547-8. [all data]
Anonymous, 1955
Anonymous, R.,
, Am. Pet. Inst. Res. Proj. 45, Tech. Rep. 14, No. 1, Ohio State Univ., 1955. [all data]
Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc.,
Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point ΔcH°liquid Enthalpy of combustion of liquid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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