| Product Name | Coumarin |
| CAS No. | 91-64-5 |
| Synonyms | 2H-1-Benzopyran-2-one; COUMARINE; 1-Benzopyran-2-one; 1,2-Benzopyrone; Chromen-2-one; O-Oxy-Cinnamic Lactone ; 2H-chromen-2-one |
| Molecular Formula | C9H6O2 |
| Molecular Weight | 146.1427 |
| Density | 1.248g/cm3 |
| Melting point | 68-71℃ |
| Boiling point | 298°C at 760 mmHg |
| Flash point | 118.3°C |
| Water solubility | 1.7 g/L (20℃) |
| Refractive index | 1.594 |
| Hazard Symbols |  Xn:Harmful; |
| Risk Codes | R20/21/22:; R36/37/38:; R40:; |
| Safety | S26:; S36/37:; |
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