Coumarin
2H-1- benzopyran-2-one, benzo-alpha-pyrone, 2-oxo-2H-1- benzopyran, ortho-oxo-1,2- benzopyran, 1,2- benzopyrone, (Z)-ortho- coumarinic acid lactone, ortho- hydroxycinnamic acid lactone, coumarinic lactone, cumarin, ortho- hydroxycinnamic acid delta-lactone, ortho- hydroxycinnamic lactone, 3-(2- hydroxyphenyl)-delta-lactone, chromen-2-one
Coumarin
Formula: C9H6O2 | CAS: 91-64-5
Synonyms: 2H-1- benzopyran-2-one, benzo-alpha-pyrone, 2-oxo-2H-1- benzopyran, ortho-oxo-1,2- benzopyran, 1,2- benzopyrone, (Z)-ortho- coumarinic acid lactone, ortho- hydroxycinnamic acid lactone, coumarinic lactone, cumarin, ortho- hydroxycinnamic acid delta-lactone, ortho- hydroxycinnamic lactone, 3-(2- hydroxyphenyl)-delta-lactone, chromen-2-one
Specification
| Specification | Value/Information |
|---|---|
| Formula | C9H6O2 |
| CAS no. | 91-64-5 |
| Gas Response Factor, 11.7 eV | NA |
| Gas Response Factor, 10.6 eV | 0.4 |
| Gas Response Factor, 10.0 eV | NA |
| ppm per mg/m⁻³, (20 °C, 1 bar) | 0.153 |
| Specification | Value/Information |
|---|---|
| Molecular Weight, g/mole | 146.0 |
| Melting point, °C | 69 |
| Boiling point, °C | 298 |
| Density, g.cm⁻³ | 1.248 |
| Ionisation Energy, eV | ~9 |
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