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CAS Number


 

2-methylpropanal (C4H8O)

Compound Descriptions:

Structure Drawing
Formula:C4H8O
Molecular Weight:72.106 g/mol
Name(s):2-methylpropanal
isobutyraldehyde
2-methyl-propionaldehyde
Propanal, 2-methyl-
α-Methylpropionaldehyde
2-Formylpropane
2-Methyl-1-propanal
2-Methylpropionaldehyde
Dimethylacetaldehyde
iso-Butyraldehyde
Isobutanal
Isobutyric aldehyde
Isobutyryl aldehyde
Isopropylcarboxaldehyde
Isopropylformaldehyde
i-butyraldehyde
Isobutylaldehyde
Isopropylaldehyde
Propionaldehyde, 2-methyl-
Valine aldehyde
a-Methylpropionaldehyde
Butyraldehyde(iso)
Butylisoaldehyd
CAS-RN:78-84-2, 26140-46-5
EINECS:201-149-6 EINECS
Classification:no charge; aldehyde; 1fragment

European Regulations

1 matching entries in european regulations: ECHA-pre

Derivatives / Analogues

Analogueother chalcogen: Thioisobutyraldehyde 

Landolt-Börnstein Citations:

Acoustical and Optical Properties

Magnetic Properties

 Diamagnetic Susceptibility: Vol. II/27b 7.1.4:314II/27B

Mechanical Properties

Spectroscopic Methods

Structure and Molecular Constants

Thermodynamic Properties

 Thermodynamic Properties of Organic Compounds and Their Mixtures: Vol. IV/8i 3.1:106, p.68IV/8I
 Vapor Pressure of Chemicals: Vol. IV/20b 2.2:552IV/20B
 Aliphatic aldehydes + Hydrocarbons: Vapor-Liquid Equilibrium - 2-Methylpropanal C4H8O + C7H16 Heptane: Vol. IV/13A1 1304 (mix)IV/13A1
 Aliphatic aldehydes + Hydrocarbons: Vapor-Liquid Equilibrium - 2-Methylpropanal C4H8O + C7H16 Heptane: Vol. IV/13A1 1305 (mix)IV/13A1
 Aliphatic aldehydes + Hydrocarbons: Vapor-Liquid Equilibrium - 2-Methylpropanal C4H8O + C6H6 Benzene: Vol. IV/13A1 1306 (mix)IV/13A1
 Aliphatic aldehydes + Hydrocarbons: Vapor-Liquid Equilibrium - 2-Methylpropanal C4H8O + C7H8 Toluene: Vol. IV/13A1 1307 (mix)IV/13A1
 Linear-alkyl monoesters + Aldehydes: Vapor-Liquid Equilibrium - Ethyl ethanoate C4H8O2 + C4H8O 2-Methylpropanal: Vol. IV/13A1 2345 (mix)IV/13A1
 N,N-Dialkylalkanamides + Aldehydes: Vapor-Liquid Equilibrium - N,N-Dimethylmethanamide C3H7NO + C4H8O 2-Methylpropanal: Vol. IV/13A1 3029 (mix)IV/13A1

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/19c
Short: II/19c
Title: Molecular Constants: Dipole Moments, Quadrupole Coupling Constants, Hindered Rotation and Magnetic Constants of Diamagnetic Molecules
Author: Demaison, J.; Hüttner, W.; Tiemann, E.; Vogt, J.; Wlodarczak, G.
Editor: Hüttner, W.
Source: Landolt-Börnstein, New Series
Volume: II/19c
Year: 1992
Keyword: organic compounds; molecular constants; spectroscopy; microwave spectroscopy
ISBN: 3-540-54893-9
ISBN: 978-3-540-54893-5
Internet Resource: DOI:10.1007/b44435
RefComment: 8 figs., XI, 295 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/19c contains tables for diamagnetic molecules giving further spectroscopic parameters: quadrupole coupling constants, potential barriers, and data from Stark and Zeeman effect measurements.
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/27B
Short: II/27B
Title: Diamagnetic Susceptibility of Organic Compounds, Oils, Paraffins and Polyethylenes
Author: Kumar, M.; Gupta, R.
Editor: Gupta, Radha Raman
Source: Landolt-Börnstein, New Series
Volume: II/27B
Year: 2008
Keyword: diamagnetic susceptibility; organic compounds
ISBN: 978-3-540-44359-9 (print)
ISBN: 978-3-540-45860-9 (online)
Internet Resource: doi:10.1007/978-3-540-45860-9
RefComment: VIII, 503 p. With CD-ROM., Hardcover
RefComment: Written for: Scientists and researchers in the fields of physics, chemistry, materials science
RefComment: Supplement and Revised Editon to II/16
Abstract: The volume II/27 has been divided into three subvolumes according to the classes of compounds: Subvolume A: Diamagnetic susceptibility and magnetic anisotropy of inorganic and organometallic compounds; Subvolume B: Diamagnetic susceptibility of organic compounds, oils, paraffins and polyethylenes; Subvolume C: Diamagnetic susceptibility and magnetic anisotropy of organic compounds. The data presented in this volume are based on the literature survey of the chemical abstracts up to 2005. The calculated values of diamagnetic susceptibility of organic compounds in the present subvolume II/27B are presented along with their experimental values. They have been calculated with the use of structural parameters in structural formula by using different theoretical methods available in the literature.
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/35E
Short: III/35E
Title: Nuclear Magnetic Resonance (NMR) Data: Chemical Shifts for Oxygen-17
Author: Duddeck, H.; Toth, G.; Simon, A.
Editor: Gupta, R.R.; Lechner, M.D.
Source: Landolt-Börnstein, New Series
Volume: III/35E
Year: 2002
Keyword: Alipathic and Aromatic hydrocarbons; Coupling constant j; Nuclear Magnetic Resonance; chemical shifts δ
ISBN: 3-540-42501-2
ISBN: 978-3-540-42501-4
Internet Resource: DOI:10.1007/b92953
RefComment: VII, 230 pages. With CD-ROM., Hardcover
Abstract: This volume provides a comprehensive and evaluated compilation of nuclear magnetic resonance data. Chemical shifts and coupling constants of boron-11 and phosphorus-31 (subvol. A), fluorine-19 and nitrogen-15 (subvol. B), hydrogen-1 (subvol. C), carbon-13 (subvol. D), and oxygen-17 (subvol. E) compounds are tabulated together with the gross- and structure formulas and the most readily available solvents. Due to the large amount of the data merely chemical shifts are presented in the printed versions, and all the data, chemical shifts and coupling constants are provided on CD-ROM's.
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/13A1
Short: IV/13A1
Title: Vapor-Liquid Equilibrium in Mixtures and Solutions. Binary Liquid Systems of Nonelectrolytes. Part 1
Author: Wichterle, I.; Linek, J.; Wagner, Z.; Fontaine, J.-C.; Sosnkowska-Kehiaian, K.; Kehiaian, H. V.
Editor: Kehiaian, H.V.
Source: Landolt-Börnstein, New Series
Volume: IV/13A1
Year: 2007
Keyword: Activity coefficients; Excess Gibbs energy; Mixtures; Nonelectrolytes; Solutions; Vapor-liquid equilibria
ISBN: 978-3-540-49314-3 (Print)
ISBN: 978-3-540-49315-0 (Online)
Internet Resource: doi: 10.1007/978-3-540-49315-0
RefComment: X, 571 p. 820 illus. With CD-ROM., Hardcover
RefComment: Written for: Scientists and engineers in the field of physical chemistry, organic chemistry, inorganic chemistry, biochemistry, applied chemistry
Abstract: This volume is a compilation of vapor–liquid equilibrium data on subcritical binary single-phase or two-phase liquid–liquid systems. All the components are well-defined pure substances, which are organic or inorganic nonelectrolytes, including low-melting ionic liquids and water. The present database contains numerical data for 3316 systems. The book reproduces in tables and graphs the numerical values for only 802 binary mixtures, chosen to be representative of all the compound classes and property types. The full set of data is given on the CD–ROM accompanying the book. Most data files contain experimental data compiled from the original literature published from 1929 to mid 2006. The CD-ROM displays all these data in PDF format and in fully documented computer readable standard electronic files (SELF and ELDATA). The ELBT-program allows the fast search of data according to property type, chemical system, author(s), source and year of publication. It also includes the bibliographical database of ELDATA, EVLM’2006, giving 13471 references from 1888 through mid 2006 to experimental vapor–liquid equilibrium in mixtures and solution.
IV/18A
Short: IV/18A
Title: Viscosity of Pure Organic Liquids and Binary Liquid Mixtures: Pure Organometallic and Organononmetallic Liquids, Binary Liquid Mixtures
Author: Wohlfarth, Ch.; Wohlfarth, B.
Editor: Lechner, M.D.
Source: Landolt-Börnstein, New Series
Volume: IV/18A
Year: 2001
Keyword: organic compounds; viscosity; liquids; mixtures
ISBN: 3-540-64584-5
ISBN: 978-3-540-64584-9
Internet Resource: DOI:10.1007/b68239
RefComment: VII, 409 pages.
IV/18B
Short: IV/18B
Title: Viscosity of Pure Organic Liquids and Binary Liquid Mixtures: Pure Organic Liquids
Author: Wohlfarth, Ch.; Wohlfarth, B.
Editor: Lechner, M.D.
Source: Landolt-Börnstein, New Series
Volume: IV/18B
Year: 2001
Keyword: organic compounds; viscosity; liquids; mixtures
Internet Resource: DOI:10.1007/b68240
RefComment: VII, 409 pages.
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/20B
Short: IV/20B
Title: Vapor Pressure and Antoine Coefficients for Oxygen Containing Organic Compounds
Author: Dykyj, J.; Svoboda, J.; Wilhoit, R.C.; Frenkel, M.; Hall, K.R.
Editor: Hall, K.R.
Source: Landolt-Börnstein, New Series
Volume: IV/20B
Year: 2000
Keyword: organic compounds; vapor pressure
ISBN: 3-540-64968-9
ISBN: 978-3-540-64968-7
Internet Resource: DOI:10.1007/b71424
RefComment: VII, 320 pages.
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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