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Fluorene MF C13H10

Fluorene MF C13H10

Fluorene is Small white pieces of crystal,Fluorene is insoluble in water and soluble in many organic solvents

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Fluorene (EINECS NO 201-695-5)

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Introduction:

Industrial fluorene belongs to polycyclic aromatic hydrocarbons,is an important organic synthesis raw material.It can be used for pharmaceutical ,dyestuff, synthetic resins, synthetic pesticides and agrochemical, herbicides and so on.


Source:

1) Fluorene in high temperature tar contains about 1.0-2.0%, the fractions of fluorene from 290-310 ° C were cut from the wash oil fraction, then to use distillation column similar to 115 theoretical plates to refined fraction, reflux ratio 15:1, to cut the narrow fraction of 292-302° C . By cooling, crystallization, centrifugal separation, to obtain crude fluorene, and then re-crystallization of benzene or xylene 1:25, to obtain industrial fluorene. The industrial fluorene was dissolved in benzene, washed with 40% sulfuric acid, neutralized and washed with water, desolventized, and the fluorene was distilled again. The distillate was re-crystallized with gasoline and ethanol to obtain pure fluorene of 95% purity.

2) Under the catalysis of ferric chloride, biphenyl and dichloromethane reaction.


Application:


(1) Fluorene can synthesize trinitrofluorenone, aromatic transparent nylon and Indanthrene dye;

(2)Fluorene can be used to manufacture drugs, dyestuff, synthetic resins, synthetic insecticides, herbicides;

(3) Fluorene can be used for producing of impact plexiglass and fluorene formaldehyde resin;

(4) Fluorene can be used to produce detergents, wetting agents, liquid glitters, disinfectants, photographic materials and liquid crystal compounds;

(5) Fluorene can be used for electrostatic printing.

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