Hymecromone

• Formula: C₁₀H₈O₃
• Molecular weight: 176.1687
• IUPAC Standard InChI: InChI=1S/C10H8O3/c1-6-4-10(12)13-9-5-7(11)2-3-8(6)9/h2-5,11H,1H3 Copy

  
• IUPAC Standard InChIKey: HSHNITRMYYLLCV-UHFFFAOYSA-N Copy
• CAS Registry Number: 90-33-5
• 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: 2H-1-Benzopyran-2-one, 7-hydroxy-4-methyl-; Coumarin, 7-hydroxy-4-methyl-; β-Methylumbelliferone; Bilcolic; Bilicante; Cantabilin; Cantabiline; Coumarin 4; Eurogale; Hymecromon; Imecromone; LM 94; Medilla; Mendiaxon; Omega 127; Pilot 447; 4-Methyl-7-Hydroxycoumarin; 4-Methylumbelliferon; 4-Methylumbelliferone; 7-Hydroxy-4-methylcoumarin; 7-Hydroxy-4-methyl-2-oxo-3-chromene; Cholestil; Cholonerton; Crodimon; Cumarote-C; Methylumbelliferone, β; NSC 19026; 2H-1-Benzopyran, 7-hydroxy-4-methyl-2-oxo-; 2H-1-Benzopyren-2-one, 7-hydroxy-4-methyl-; 7-Hydroxy-4-methyl-2-oxo-2H-1-benzopyran; Umbelliferone, 4-methyl-; 4-MU; 7-Hydroxy-4-methyl-2H-1-benzopyran-2-one; Biliton H; Cholspasmin; Himecol; NSC 9408
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• Information on this page:
  • Phase change data
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • Gas Chromatography
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Phase change 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 as indicated in comments:
DH - Eugene S. Domalski and Elizabeth D. Hearing
AC - William E. Acree, Jr., James S. Chickos

Enthalpy of fusion

Entropy of fusion

Gas phase ion energetics 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: Sharon G. Lias and Joel F. Liebman

Ionization energy determinations

References

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

Zhang, Huang, et al., 1989
Zhang, X.; Huang, W.; Tan, F.; Xu, G.; Wu, Z., Study on phase transition thermodynamics of 4-methyl-coumarin derivative, Chin. Sci. Bull., 1989, 34(21), 1844-1845. [all data]

Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D., Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III, J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985 . [all data]

Redchenko, Safronov, et al., 1992
Redchenko, V.V.; Safronov, A.I.; Kirpichenok, M.A.; Grandberg, I.I.; Traven', V.F., Electronic structure of π-systems. XV. Photoelectron spectra of 7-aminocoumarin derivatives, J. Gen. Chem. USSR, 1992, 62, 2313. [all data]

Notes

Go To: Top, Phase change data, Gas phase ion energetics data, References

• Symbols used in this document:
  

  ΔfusH	Enthalpy of fusion
  ΔfusS	Entropy of fusion

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