2(3H)-Furanone, dihydro-5-methyl-

• Formula: C₅H₈O₂
• Molecular weight: 100.1158
• IUPAC Standard InChI: InChI=1S/C5H8O2/c1-4-2-3-5(6)7-4/h4H,2-3H2,1H3 Copy

  
• IUPAC Standard InChIKey: GAEKPEKOJKCEMS-UHFFFAOYSA-N Copy
• CAS Registry Number: 108-29-2
• 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.
• Species with the same structure:
  • 2(3H)-Furanone, dihydro-5-methyl-
• Other names: γ-Methyl-γ-butyrolactone; γ-Pentalactone; γ-Valerolactone; Pentanoic acid, 4-hydroxy-, γ-lactone; 4-Hydroxypentanoic acid lactone; 4-Hydroxyvaleric acid lactone; 4-Methyl-γ-butyrolactone; 4-Pentanolide; 4-Valerolactone; γ-Pentanolactone; γ-Valerolakton; Dihydro-5-methyl-2(3H)-furanone; Valeric acid, 4-hydroxy-, gamma-lactone; gamma-Valerolactone; 5-Methyldihydrofuran-2(3H)-one; 5-methyltetrahydrofuran-2-one; Dihydro-5-methyl-2-furanone; (.+/-.)-γ-Valerolactone; (.+/-.)-4-Methylbutyrolactone; 5-Methyltetrahydro-2-furanone; NSC 33700; Valeric acid, 4-hydroxy-, γ-lactone; 5-Methyldihydro-2(3H)-furanone; Pentan-4-olide; 5-Methyloxolan-2-one; Valerolactone
• Information on this page:
  • Condensed phase thermochemistry data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • Gas Chromatography
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Phase change data
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Condensed phase thermochemistry data

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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

IR Spectrum

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Data compiled by: Coblentz Society, Inc.

• SALTED SOLUTION (CCl4 FOR 3800-1330, CS2 FOR 1330-450 CM^-1); BECKMAN IR-9 (GRATING); DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 4 cm^-1 resolution
• SOLUTION (10% CCl4 FOR 2.0-7.5, 10% CS2 FOR 7.5-16.0 MICRON); BAIRD (PRISM); DIGITIZED BY COBLENTZ SOCIETY (BATCH I) FROM HARD COPY; 2 cm^-1 resolution

Mass spectrum (electron ionization)

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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

Gas Chromatography

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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

Kovats' RI, non-polar column, temperature ramp

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Van Den Dool and Kratz RI, non-polar column, temperature ramp

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Van Den Dool and Kratz RI, polar column, temperature ramp

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Van Den Dool and Kratz RI, polar column, custom temperature program

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Normal alkane RI, non-polar column, temperature ramp

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Normal alkane RI, non-polar column, custom temperature program

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Normal alkane RI, polar column, temperature ramp

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Normal alkane RI, polar column, custom temperature program

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References

Go To: Top, Condensed phase thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

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Notes

Go To: Top, Condensed phase thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, References

• Symbols used in this document:
  

  ΔcH°liquid	Enthalpy of combustion of liquid at standard conditions
  ΔfH°liquid	Enthalpy of formation of liquid at standard conditions

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