9H-Fluorene(CAS NO 86-73-7)
Specification:
Item | Specification |
Molecular formula | C13H10 |
Molecular weight | 166.2185 |
CAS NO | 86-73-7 |
EINECS NO | 201-695-5 |
Appearance | Small white pieces of crystal |
Melting point | 116-117℃ |
Boiling point | 295℃ |
Flash point | 151℃ |
Density | 1.202g/ml |
Introduction:
Fluorene has a boiling point of 297°C and a melting point of 115°C, and its main impurities are fluorene oxide and methyl fluorene oxide. Since the boiling point difference between fluorene and methyl fluorene is very small, only about 8 ℃, the purification of fluorene basically adopts the method of chemical separation. At present, the separation and purification methods for preparing refined fluorene from industrial fluorene include solvent crystallization, cooling crystallization, and crystallization separation.
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