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| Product Name: | chromen-2-one |
| CAS Registry Number: | 91-64-5 |
| EINECS: | 202-086-7 |
| Synonyms: | 2H-Chromen-2-one;chromen-2-one; 2H-1-Benzopyran-2-one; 91-64-5; Tonka bean camphor; Coumarine; Rattex; 1,2-Benzopyrone;cumarin; |
| Molecular Structure: |
 |
| Molecular Formula: | C9H6O2 |
| Molecular Weight: | 146.14274 |
| Density: | 0.935 |
| Boiling Point: | 298 ºC |
| Melting Point: | 68-71 ºC |
| Flash Point: | 162 ºC |
| Refractive index: | 1.594 |
| Risk Codes: | S26;S36/37 |
| Safety Statements: | R20/21/22;R36/37/38;R40 |
| Hazard Symbols: | Xn: Harmful; |