Methyl methacrylate

• Formula: C₅H₈O₂
• Molecular weight: 100.1158
• IUPAC Standard InChI: InChI=1S/C5H8O2/c1-4(2)5(6)7-3/h1H2,2-3H3 Copy

  
• IUPAC Standard InChIKey: VVQNEPGJFQJSBK-UHFFFAOYSA-N Copy
• CAS Registry Number: 80-62-6
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
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• Other names: 2-Propenoic acid, 2-methyl-, methyl ester; Methacrylic acid methyl ester; Diakon; Methyl 2-methyl-2-propenoate; Methyl 2-methylpropenoate; MMA; Pegalan; CH2=C(CH3)COOCH3; Methyl-α-methacrylate; Monocite methacrylate monomer; Metakrylan metylu; Methacrylate de methyle; Methacrylsaeuremethyl ester; Methyl α-methylacrylate; Methyl methylacrylate; Methyl-methacrylat; Methylmethacrylaat; Metil metacrilato; NCI-C50680; Paladon; 2-Methylacrylic acid, methyl ester; Acrylic acid, 2-methyl-, methyl ester; Methylester kyseliny methakrylove; Methyl methacrylate monomer; 2-Methyl-2-propenoic acid methyl ester; Rcra waste number U162; Methyl ester of 2-methyl-2-propenoic acid; 2-(Methoxycarbonyl)-1-propene; Acryester M; NSC 4769; TEB 3K; 2-Methylacrylic, methyl ester
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• Information on this page:
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • Mass spectrum (electron ionization)
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
  • IR Spectrum
  • UV/Visible spectrum
  • Gas Chromatography
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
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Reaction thermochemistry data

Go To: Top, Gas phase ion energetics data, 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

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

 +  =

By formula: H₂ + C₅H₈O₂ = C₅H₁₀O₂

2 =

By formula: 2C₅H₈O₂ = C₁₀H₁₆O₄

Gas phase ion energetics data

Go To: Top, Reaction thermochemistry data, 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 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

Ionization energy determinations

Mass spectrum (electron ionization)

Go To: Top, Reaction thermochemistry data, 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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Additional Data

References

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, 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.

Vilcu and Perisanu, 1980
Vilcu, R.; Perisanu, S., The ideal gas state enthalpies of formation of some monomers, Rev. Roum. Chim., 1980, 25, 619-624. [all data]

Dolliver, Gresham, et al., 1938
Dolliver, M.A.; Gresham, T.L.; Kistiakowsky, G.B.; Smith, E.A.; Vaughan, W.E., Heats of organic reactions. VI. Heats of hydrogenation of some oxygen-containing compounds, J. Am. Chem. Soc., 1938, 60, 440-450. [all data]

Stickler and Meyerhoff, 1980
Stickler, M.; Meyerhoff, G., Thermal polymerization of methyl methacrylate. 2. Formation of unsaturated dimers, Makromol. Chem., 1980, 181, 131-147. [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]

Van Dam and Oskam, 1978
Van Dam, H.; Oskam, A., He(I) and He(II) photoelectron spectra of some substituted ethylenes, J. Electron Spectrosc. Relat. Phenom., 1978, 13, 273. [all data]

Sustmann and Trill, 1972
Sustmann, R.; Trill, H., Photoelektronenspektroskopische Bestimmung von Substituenten-Effekten. II. α,β-ungesattigte Carbonester, Tetrahedron Lett., 1972, 42, 4271. [all data]

Notes

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), References

• Symbols used in this document:
  

  ΔrH°	Enthalpy of reaction at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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