ChemicalBook > CAS DataBase List > 9-Fluorenone

9-Fluorenone

Product Name
9-Fluorenone
CAS No.
486-25-9
Chemical Name
9-Fluorenone
Synonyms
9H-FLUOREN-9-ONE;FLUORENONE;FLUOREN-9-ONE;9H-fluorene-9-one;uorenone;9-FLUORENON;9-FLUORENONE;Dluoren-9-one;9-Fluoreneone;9-oxofluorene
CBNumber
CB2304953
Molecular Formula
C13H8O
Formula Weight
180.2
MOL File
486-25-9.mol
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9-Fluorenone Property

Melting point:
80-83 °C (lit.)
Boiling point:
342 °C (lit.)
Density 
0,9 g/cm3
vapor pressure 
0.005-0.2Pa at 20-50℃
refractive index 
1.6309 (estimate)
Flash point:
163 °C
storage temp. 
Store below +30°C.
solubility 
DMSO (Slightly), Methanol (Slightly)
form 
Crystalline Powder or Flakes
color 
Yellow
Water Solubility 
insoluble
BRN 
1636531
Stability:
Stable. Combustible. Incompatible with strong oxidizing agents.
InChIKey
YLQWCDOCJODRMT-UHFFFAOYSA-N
LogP
3.25 at 25℃ and pH7.7
CAS DataBase Reference
486-25-9(CAS DataBase Reference)
NIST Chemistry Reference
9H-Fluoren-9-one(486-25-9)
EPA Substance Registry System
9-Fluorenone (486-25-9)
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Safety

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
24/25-36/37/39-27-26
WGK Germany 
3
RTECS 
LL8925000
Autoignition Temperature
608 °C
Hazard Note 
Irritant
TSCA 
Yes
HS Code 
29143900
Hazardous Substances Data
486-25-9(Hazardous Substances Data)
Toxicity
LD50 orally in Rabbit: > 3900 mg/kg
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H319Causes serious eye irritation

H411Toxic to aquatic life with long lasting effects

Precautionary statements

P273Avoid release to the environment.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
F1506
Product name
9-Fluorenone
Purity
98%
Packaging
5G
Price
$26
Updated
2024/03/01
Sigma-Aldrich
Product number
F1506
Product name
9-Fluorenone
Purity
98%
Packaging
100g
Price
$76.2
Updated
2024/03/01
Sigma-Aldrich
Product number
F1506
Product name
9-Fluorenone
Purity
98%
Packaging
500g
Price
$129
Updated
2024/03/01
Sigma-Aldrich
Product number
8.03977
Product name
9-Fluorenone
Purity
for synthesis
Packaging
250g
Price
$117
Updated
2024/03/01
TCI Chemical
Product number
F0021
Product name
9-Fluorenone
Purity
>98.0%(GC)
Packaging
25g
Price
$19
Updated
2024/03/01
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9-Fluorenone Chemical Properties,Usage,Production

Description

9-fluorenone is an important intermediate for organic synthesis. It can be used to manufacture a variety of fine chemicals, mainly used as a modifier for the production of polymer materials, bisphenol fluorene, fluorenyl benzoxazine resin, acrylic resin, polyester, polycarbonate and epoxy resin. In the laboratory, fluorene was used as the raw material, dimethyl sulfoxide as the solvent, sodium hydroxide as the catalyst and oxygen as the oxidant. The oxidizing reaction was carried out by a tower packing reactor. The reaction solution was cooled and filtered to obtain a crude fluorenone. The content of crude fluorenone is 93%. We can recover 94% of the solvent and part of the crude fluorenone through distillation of the filtrate. The crude fluorenone is purified by directional crystallization to obtain yellow flaky fluorenone that have a purity of 99.8% or more.

Chemical Properties

yellow flakes, chips or crystalline powder; Soluble in ethanol and ether, insoluble in water.

Uses

9-Fluorenone is used in the preparation of antimalarial drugs. It is a fluorene derivative. Further, it is used in functional polymer and in dyes.

Definition

ChEBI: Fluoren-9-one is the simplest member of the class fluoren-9-ones that is 9H-fluorene bearing an oxo substituent at position 9. It has a role as a fungal xenobiotic metabolite.

Preparation

Fluorenone can be produced by catalytic oxidation of fluorene, or of fluorene fractions in the presence of a quarternary ammonium salt, or by catalytic oxidative cracking (oxicracking) of a suitable aromatic.

Application

9-Fluorenone has been extensively used as a precursor to synthesize a variety of organic electronic materials. Some of the general examples are:
Synthesis of host for the blue and green phosphorescent organic light emitting diodes (PHOLEDs).
Synthesis of fluorene-based molecular motors.
Synthesis of open-shell Chichibabin′s hydrocarbons as potential organic spintronic materials.
It also acts as a sensitizer in the formation of picene via photosensitization of 1,2-di(1-naphthyl)ethane.

Synthesis Reference(s)

The Journal of Organic Chemistry, 60, p. 3934, 1995 DOI: 10.1021/jo00118a002
Synthetic Communications, 6, p. 285, 1976 DOI: 10.1080/00397917608063524

Purification Methods

Crystallise 9-fluorenone from absolute EtOH, MeOH or *benzene/pentane. [Ikezawa J Am Chem Soc 108 1589 1986.] Also recrystallise it twice from toluene and sublime it in a vacuum [Saltiel J Am Chem Soc 108 2674 1986]. It can be distilled under high vacuum. [Beilstein 7 H 465, 7 III 2330, 7 IV 1629.]

9-Fluorenone Preparation Products And Raw materials

Raw materials

Preparation Products

9-Bromo-9-phenylfluorene
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9-Fluorenone Suppliers

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View Lastest Price from 9-Fluorenone manufacturers

Jinan Finer Chemical Co., Ltd
Product
9-Fluorenone 486-25-9
Price
US $0.00/kg
Min. Order
1kg
Purity
99.5%
Supply Ability
500mt
Release date
2019-03-15
Hebei Duling International Trade Co. LTD
Product
9-Fluorenone 486-25-9
Price
US $80.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
100 tons
Release date
2023-04-23
Anhui Ruihan Technology Co., Ltd
Product
9-Fluorenone 486-25-9
Price
US $80.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
10000tons
Release date
2023-09-11

486-25-9, 9-FluorenoneRelated Search:

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