3-Buten-2-one, 3-methyl-
- Formula: C5H8O
- Molecular weight: 84.1164
- IUPAC Standard InChIKey: ZGHFDIIVVIFNPS-UHFFFAOYSA-N
- CAS Registry Number: 814-78-8
- 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: Isopropenyl methyl ketone; Methyl isopropenyl ketone; CH2=C(CH3)C(=O)CH3; Ketone, methyl isopropenyl; 2-Methyl-1-buten-3-one; 3-Methyl-3-buten-2-on; 3-Methyl-3-buten-2-one; UN 1246; 3- Methyl-3- butene-2- one; 3- Methyl-3- butene-2- one (methyl isopropenyl ketone); 3-methylbut-3-en-2-one
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Phase change data
Go To: Top, Gas phase ion energetics 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 as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 371.2 | K | N/A | Weast and Grasselli, 1989 | BS |
Tboil | 370.86 | K | N/A | Dreisbach and Martin, 1949 | Uncertainty assigned by TRC = 0.2 K; TRC |
Tboil | 370. | K | N/A | Landau and Irany, 1947 | Uncertainty assigned by TRC = 3. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 219.55 | K | N/A | Dreisbach and Martin, 1949 | Uncertainty assigned by TRC = 0.2 K; TRC |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
26.2 | 328. | A | Stephenson and Malanowski, 1987 | Based on data from 313. to 371. K. See also Dykyj, 1972.; AC |
Gas phase ion energetics data
Go To: Top, 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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 843.1 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 811.3 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.50 | PE | Masclet and Mouvier, 1978 | LLK |
References
Go To: Top, Phase change data, Gas phase ion energetics data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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]
Dreisbach and Martin, 1949
Dreisbach, R.R.; Martin, R.A.,
Physical Data on Some Organic Compounds,
Ind. Eng. Chem., 1949, 41, 2875-8. [all data]
Landau and Irany, 1947
Landau, E.F.; Irany, E.P.,
Preparation of Methyl Isopropenyl Ketone from Methyl Ethyl Ketone and Formaldehyde,
J. Org. Chem., 1947, 12, 422-5. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Dykyj, 1972
Dykyj, J.,
Petrochemia, 1972, 12, 1, 13. [all data]
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018
. [all data]
Masclet and Mouvier, 1978
Masclet, P.; Mouvier, G.,
Etude par spectrometrie photoelectronique d'aldehydes et de cetones ethyleniques conjugues,
J. Electron Spectrosc. Relat. Phenom., 1978, 14, 77. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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