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 |
Purity | ≥95%, ≥98% |
Melting point | 116-117℃ |
Solubility parameter (J·cm-3)0.5 | 21.646 |
Boiling point | 295℃ |
Flash point | 151℃ |
Density | 1.202g/ml |
Relative density（20℃,4℃） | 1.208 |
Package | Woven bags,25kg/bag or kraft paper tube |
Water-soluble | Insoluble in water, soluble in ethanol, ether, benzene, carbon dioxide and other organic solvents |
Preparation:
The production process of fluorene is mainly through the second rectification of heavy wash oil, cut the narrow fraction of fluorene at 290~310℃, and then send it to the solvent crystallization kettle for extraction and crystallization with solvent, and the purity is greater than 95% after centrifugation. Of industrial fluorene. After recrystallization, fluorene with a purity of 98% can be obtained. Solvent removal and solvent recovery section for recycling.
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