3,3'-spirobi[3H-naphtho[2,1-b]pyran] structure 
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        Common Name | 3,3'-spirobi[3H-naphtho[2,1-b]pyran] | ||
|---|---|---|---|---|
| CAS Number | 178-10-9 | Molecular Weight | 348.39300 | |
| Density | 1.34g/cm3 | Boiling Point | 593.5ºC at 760 mmHg | |
| Molecular Formula | C25H16O2 | Melting Point | N/A | |
| MSDS | N/A | Flash Point | 300.1ºC | |
| Name | 3,3'-spirobi[benzo[f]chromene] | 
|---|---|
| Synonym | More Synonyms | 
| Density | 1.34g/cm3 | 
|---|---|
| Boiling Point | 593.5ºC at 760 mmHg | 
| Molecular Formula | C25H16O2 | 
| Molecular Weight | 348.39300 | 
| Flash Point | 300.1ºC | 
| Exact Mass | 348.11500 | 
| PSA | 18.46000 | 
| LogP | 6.20070 | 
| Vapour Pressure | 1.98E-13mmHg at 25°C | 
| Index of Refraction | 1.78 | 
| HS Code | 2902909090 | 
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| HS Code | 2902909090 | 
|---|---|
| Summary | 2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0% | 
| EINECS 205-869-1 | 
| 3,3'-Spirobi<3H-naphtho<2,1-b>pyran> |