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CAS Number


 

2-methyl-2-propenal (C4H6O)

Compound Descriptions:

Structure Drawing
Formula:C4H6O
Molecular Weight:70.09 g/mol
Name(s):2-methyl-2-propenal
2-methyl-prop-2-enal
2-Propenal, 2-methyl-
Methacrylaldehyde
α-Methacrolein
α-Methylacrolein
α-Methylacrylaldehyde
2-Formyl-1-propene
2-Methyl-2-propen-1-al
2-Methylacrolein
2-Methylenepropanal
2-Methylpropenal
Isobutenal
Methacrylic aldehyde
2-methylprop-2-enal
a-methylacrolein
2-methyl-propenal
Acrolein, 2-methyl-
A-Methacrylaldehyd
Artemisal
CAS-RN:78-85-3
EINECS:201-150-1 EINECS
Classification:no charge; aldehyde; 1fragment

European Regulations

1 matching entries in european regulations: ECHA-pre

Derivatives / Analogues

Derivativetautomer: 2-methylpropanedial 

Landolt-Börnstein Citations:

Acoustical and Optical Properties

 Molecular Acoustics: Vol. II/5 2.1.2, p.21II/5
 Molecular Acoustics: Vol. II/5 3.2.2, p.161II/5
 Molecular Acoustics: Vol. II/5 3.2.7, p.182II/5
 Optical Constants: Refractive Indices: Vol. III/38b 2.1:1724III/38B

Mechanical Properties

 C-H-O compounds: C4 (part 2): Vol. IV/1a 1.4.3:2111, p.256 (mix)IV/1a

Structure and Molecular Constants

Thermodynamic Properties

 Thermodynamic Properties of Organic Compounds and Their Mixtures: Vol. IV/8i 3.2:144, p.89IV/8I

References

II/19b
Short: II/19b
Title: Molecular Constants: Rotational, Centrifugal Distortion and Related Constants of Diamagnetic Asymmetric Top Molecules
Author: Demaison, J.; Hüttner, W.; Vogt, J.; Wlodarczak, G.
Editor: Hüttner, W.
Source: Landolt-Börnstein, New Series
Volume: II/19b
Year: 1992
Keyword: organic compounds; molecular constants; spectroscopy; microwave spectroscopy
ISBN: 3-540-54578-6
ISBN: 978-3-540-54578-1
Internet Resource: DOI:10.1007/b44334
RefComment: XI, 488 pages.
Abstract: Volume II/19 Molecular Constants mostly from Microwave, Molecular Beam and Sub-Doppler Laser Spectroscopy is a supplement to the earlier volumes II/4, II/6, and II/14. The slight change in the title reflects current trends in the applications of spectroscopic methods. Together, the four volumes collect all the critically evaluated data published up to 1989/90 on constants of free molecules obtained by classical and modern spectroscopy. Volume II/19 is divided into four parts to record the growing number of investigations, especially in the microwave and millimeter wave regions, where modern techniques like Fourier Transform Microwave Spectroscopy have made new objects of interest such as molecular complexes and clusters accessible to study. Subvolume II/19b contains corresponding data on diamagnetic asymmetric top molecules.
II/25C
Short: II/25C
Title: Structure Data Of Free Polyatomic Molecules: Molecules containing Three or Four Carbon Atoms
Author: Graner, G.; Hirota, E.; Iijima, T.; Kuchitsu, K.; Ramsay, D.A.; Vogt, J.; Vogt, N.
Editor: Kuchitsu, K.
Source: Landolt-Börnstein, New Series
Volume: II/25C
Year: 2001
Keyword: Free Polyatomic Molecules; Carbon Atoms; Molecules
ISBN: 3-540-66774-1
ISBN: 978-3-540-66774-2
Internet Resource: DOI:10.1007/b71431
RefComment: VIII, 481 pages. Hardcover
Abstract: This volume contains data on the geometric parameters (internuclear distances, bond angles, dihedral angles of internal rotation etc.) of free polyatomic molecules including free radicals and molecular ions. This survey on structure data is made of four subvolume, each containing the geometric parameters determined in the gas phase either by an analysis of the rotational constants (and sometimes the vibrational constants) obtained from microwave, infrared, Raman, electronic and photoelectron spectroscopy or by an analysis of electron diffraction intensities. Most of the structures listed in the tables are for molecules in the electronic ground state, but structures for electronically excited states have also been included as far as they are available. In this third subvolume, the structure of molecules containing three for four carbon atoms are listed.
II/5
Short: II/5
Title: Molecular Acoustics
Author: Schaaffs, W.
Editor: Hellwege, K.-H.; Hellwege, A.M.
Source: Landolt-Börnstein, New Series
Volume: II/5
Year: 1967
ISBN: 3-540-03897-3
ISBN: 978-3-540-03897-9
Internet Resource: DOI:10.1007/b19950
RefComment: 321 figs., XII, 286 pages, Hardcover
II/6
Short: II/6
Title: Molecular Constants from Microwave, Molecular Beam, and Electron Spin Resonance Spectroscopy
Author: Demaison, J.; Hüttner, W.; Starck, B.; Buck, I.; Tischer, R.; Winnewisser, M.
Editor: Hellwege, K.-H.; Hellwege, A.M.
Source: Landolt-Börnstein, New Series
Volume: II/6
Year: 1974
Keyword: organic compounds; molecular constants; spectroscopy; microwave spectroscopy
ISBN: 3-540-05977-6
ISBN: 978-3-540-05977-6
Internet Resource: DOI:10.1007/b19951
RefComment: 153 figs., XIII, 688 pages
III/38B
Short: III/38B
Title: Refractive Indices of Organic Liquids
Author: Wohlfarth, Ch.; Wohlfarth, B.
Editor: Lechner, M.D.
Source: Landolt-Börnstein, New Series
Volume: III/38B
Year: 1996
Keyword: organic compounds; refractive index; liquids
ISBN: 3-540-60596-7
ISBN: 978-3-540-60596-6
Internet Resource: DOI:10.1007/b85533
RefComment: VII, 4210 pages, Hardcover
Abstract: Volume III/38 Optical Constants provides critically evaluated data on refractive indices of inorganic and organic liquids and their wavelength dependence (dispension). Part A contains the inorganic, organometallic, and organononmetallic liquids, and the binary liquid mixtures (about 900 pure substances and their mixtures). Part B contains data of more than 7600 organic liquids.
IV/1a
Short: IV/1a
Title: Densities of Liquid Systems: Nonaqueous Systems and Ternary Aqueous Systems
Author: Lacmann, R.; Synowietz, C.
Editor: Schäfer, Kl.
Source: Landolt-Börnstein, New Series
Volume: IV/1a
Year: 1974
ISBN: 3-540-06269-6
ISBN: 978-3-540-06269-1
Internet Resource: DOI:10.1007/b20003
RefComment: X, 716 pages. Hardcover
Abstract: Volume IV/1 contains information on the densities of liquid systems. It may be considered as a supplement to volume II/1 of the 6th Edition, which contains only a few data on nonaqueous systems. Data are not listed for all systems but primarily for those of greater interest where data for a larger range of concentrations were available.
IV/8I
Short: IV/8I
Title: Densities of Phenols, Aldehydes, Ketones, Carboxylic Acids, Amines, Nitriles, and Nitrohydrocarbons
Author: Frenkel, M.; Hong, X.; Dong, Q.; Yan, X.; Chirico, R.D.
Editor: Frenkel, M.; Marsh, K.N.
Source: Landolt-Börnstein, New Series
Volume: IV/8I
Year: 2002
Keyword: Thermodynamics; Thermodynamik
ISBN: 978-3-540-42883-1
ISBN: 3-540-42883-6
Internet Resource: DOI:10.1007/b76771
RefComment: XI, 470 p., Hardcover
RefComment: Written for Scientists and engineers in the fields of Physics, Chemistry and Physical Chemistry
Abstract: Critically evaluated experimental data covering the densities of organic compounds are essential for both scientific and industrial applications. Knowledge of densities is important in many areas, including custody transfer of materials, product specification, development of various predictive methods, and for characterizing compounds and estimating their purity.
EINECS
Short: EINECS
Title: EINECS (European Inventory of Existing Commercial Chemical Substances)
Source: Official Journal of the European Communities
Volume: C 146 A (15.06.1990)
Page: 1
Year: 1990
Publish_Date: 1990/06/15

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