| 
| 
| CAS number | 159-66-0 |
| Molecular formula | C25H16 |
| Product name | 159-66-0 9,9'-Spirobi[9H-fluorene] |
| Molecular Structure |  |
Appearance：white crystal
Density：1.28 g/cm3
Boiling Point：474.9ºC at 760 mmHg
Melting Point：202ºC
Flash Point：236.8ºC
Refractive Index：1.757
Vapor Pressure：9.93E-09mmHg at 25°C
