Hymecromone
- Formula: C10H8O3
- Molecular weight: 176.1687
- IUPAC Standard InChIKey: HSHNITRMYYLLCV-UHFFFAOYSA-N
- 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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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
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
6.9644 | 460.7 | Zhang, Huang, et al., 1989 | DH |
6.965 | 460.7 | Domalski and Hearing, 1996 | AC |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
15.16 | 460.7 | Zhang, Huang, et al., 1989 | DH |
References
Go To: Top, Phase change data, Notes
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]
Notes
Go To: Top, Phase change 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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