1H-2-Benzopyran-1-one
- CAS NO.：491-31-6
- Empirical Formula: C9H6O2
- Molecular Weight: 146.14
- MDL number: MFCD08061387
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 03:04:26
What is 1H-2-Benzopyran-1-one?
Definition
ChEBI: The simplest member of the class of isocoumarins that is 1H-isochromene which is substituted by an oxo group at position 1.
Synthesis Reference(s)
Journal of the American Chemical Society, 106, p. 5274, 1984 DOI: 10.1021/ja00330a041
Journal of Heterocyclic Chemistry, 27, p. 1419, 1990 DOI: 10.1002/jhet.5570270544
Tetrahedron Letters, 25, p. 4459, 1984 DOI: 10.1016/S0040-4039(01)81466-0
Properties of 1H-2-Benzopyran-1-one
| Melting point: | 47°C |
| Boiling point: | 286°C (estimate) |
| Density | 1.1674 (rough estimate) |
| refractive index | 1.5100 (estimate) |
| EPA Substance Registry System | 1H-2-Benzopyran-1-one (491-31-6) |
Safety information for 1H-2-Benzopyran-1-one
Computed Descriptors for 1H-2-Benzopyran-1-one
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![2-PHENYL-4H-NAPHTHO[2,3-F]ISOCHROMENE-4,7,12-TRIONE](https://img.chemicalbook.in/StructureFile/ChemBookStructure8/GIF/CB1439520.gif)
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