Polycarbonate Modifier CAS 486-25-9 9-fluorenone

The liquid phase oxidation method for the preparation of 9-fluorenone is an ideal industrial method, but this method is prone to generate a large amount of waste liquid and other problems, which need to be further improved

9-Fluorenone(CAS NO 486-25-9)

Specification:

Item	Specification
Appearance	Yellow crystalline
Molecular formula	C13H8O
Molecular weight	180.20
CAS No.	486-25-9
EINECS NO	207-630-7
Density	1.244g/cm3
Flash point	144.1℃
Melting point	81-85°C
Boiling point	342°C
Flash point	163°C，Flammable
Water-soluble	Do not dissolve in water, soluble in organic solvents such as alcohol ether

Preparation:

There are three main processes for preparing 9-fluorenone using fluorene as the raw material: the first is direct oxidation, and the second is  gas phase oxidation, which produces no waste liquid,   is ideal for preparing 9-fluorenone Industrial method, but the preparation process of the catalyst required by this method is complicated, and it is easy to   deep oxidation occurs; the third is the liquid phase oxidation method, solid fluorene directly participates in the reaction or dissolves it in an organic solvent   agent, catalytic oxidation to prepare 9- Fluorenone.

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