2-Bromofluorene
description Uses- Product Name
- 2-Bromofluorene
- CAS No.
- 1133-80-8
- Chemical Name
- 2-Bromofluorene
- Synonyms
- 2-bromo-9h-fluorene;EAFC;2-BromofL;2-Brom-fluoren;2-BROMOFLUORENE;2-Bromofluorene>2-Bromofluorene 95%;2-Bromofluorene,95%;2-broMo-2H-fluorene;9H-Fluorene, 2-bromo-
- CBNumber
- CB5493993
- Molecular Formula
- C13H9Br
- Formula Weight
- 245.11
- MOL File
- 1133-80-8.mol
2-Bromofluorene Property
- Melting point:
- 112-114 °C (lit.)
- Boiling point:
- 185 °C/135 mmHg (lit.)
- Density
- 1.4187 (rough estimate)
- refractive index
- 1.6290 (estimate)
- Flash point:
- 185°C/135mm
- storage temp.
- Sealed in dry,Room Temperature
- solubility
- Soluble in chloroform and ethyl acetate.
- form
- Slightly Crystalline Powder or Flakes
- color
- White to slightly yellow
- BRN
- 1946701
- InChIKey
- FXSCJZNMWILAJO-UHFFFAOYSA-N
- CAS DataBase Reference
- 1133-80-8(CAS DataBase Reference)
- NIST Chemistry Reference
- 9H-Fluorene, 2-bromo-(1133-80-8)
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
- Precautionary statements
-
P261Avoid breathing dust/fume/gas/mist/vapours/spray.
P264Wash hands thoroughly after handling.
P264Wash skin thouroughly after handling.
P271Use only outdoors or in a well-ventilated area.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
N-Bromosuccinimide Price
- Product number
- 124060
- Product name
- 2-Bromofluorene
- Purity
- 95%
- Packaging
- 5g
- Price
- $96.3
- Updated
- 2024/03/01
- Product number
- 124060
- Product name
- 2-Bromofluorene
- Purity
- 95%
- Packaging
- 25g
- Price
- $182.8
- Updated
- 2024/03/01
- Product number
- B3069
- Product name
- 2-Bromofluorene
- Purity
- >98.0%(GC)
- Packaging
- 5g
- Price
- $41
- Updated
- 2024/03/01
- Product number
- B3069
- Product name
- 2-Bromofluorene
- Purity
- >98.0%(GC)
- Packaging
- 25g
- Price
- $123
- Updated
- 2024/03/01
- Product number
- L07589
- Product name
- 2-Bromofluorene, 95%
- Packaging
- 5g
- Price
- $42.65
- Updated
- 2024/03/01
2-Bromofluorene Chemical Properties,Usage,Production
description
2-Bromofluorene is an isolated product of coal tar and its derivatives are used as important raw materials for fine chemicals. It is often used as synthetic intermediate of the OLED material in industry, by the reaction of barbier-type ultrasonic radiation, It is also used to study the conversion of aryl bromides to aryl triethoxy silane.
Lab Preparation Methods: propylene carbonate is used as solvent, N-bromosuccinimide (NBS) is used as brominated reagent to carry bromination reaction of fluorine, and this reaction can synthesize 2-bromofluorene and 2,7-dibromofluorene. By the investigation of reaction temperature, NBS amount, the adding methods, the optimal reaction conditions for the synthesis of 2-bromofluorene is confirmed. The optimal reaction conditions are: reaction temperature is 23℃, the molar ratio of NBS with fluorine is 1.1:1, NBS is added by stage addition. First fluorene and propylene carbonate is preheated to 60℃, so fluorine is all dissolved, and then it drops to the reaction temperature, NBS is added by stage addition. 2-bromofluorene and 2,7-dibromofluorene recrystallizes with ethanol and acetic acid respectively, the purity of target product of liquid chromatography can reach more than 99%.
Uses
(1) It can be used as pharmaceutical intermediate, it is also important intermediate in the synthesis of optoelectronic material.
(2) By ultrasonic radiation of Barbier-type reaction, 2-bromofluorene is used for the study of aryl bromide (aryl bromides) converts to aryl triethoxysilane (aryltriethoxysilanes). It is also for the preparation of N-carbazole fluorene oligomers end-capped. It can be used as intermediates of OLED materials in industry.
Chemical Properties
white to slightly yellow crystalline powder
Uses
2-Bromofluorene was used in the synthesis of end-capping reagent 2-bromo-9,9-di-nhexylfluorene. It has been used in the preparation of poly(di-n-hexylfluorene)s end capped with 2-bromofluorene, 2-bromo-9,9-di-n-hexylfluorene and 9-bromoanthracene through Ni(0) mediated polymerization. It was also used in the synthesis of 2-bromo-9,9-dihexylfluorene.
Synthesis Reference(s)
Journal of the American Chemical Society, 80, p. 4327, 1958 DOI: 10.1021/ja01549a053
General Description
2-Bromofluorene is a nonintrusive end-capping reagent to control molecular weights and to generate well-defined oligomers. It is used as a reagent for the preparation of dibromofluorene-labelled polystyrene by nitroxide-mediated polymerization. It is also being used in the agricultural sector as a fungicide for tomato disease control. Its carcinogenic effects on humans are currently being investigated.
2-Bromofluorene Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from 2-Bromofluorene manufacturers
- Product
- 2-Bromofluorene 1133-80-8
- Price
- US $210.00/KG
- Min. Order
- 1KG
- Purity
- 98%
- Supply Ability
- 300MT/year
- Release date
- 2019-12-24
- Product
- 2-Bromofluorene 1133-80-8
- Price
- US $14.00-123.00/g
- Min. Order
- 100g
- Purity
- 0.98
- Supply Ability
- 10kg
- Release date
- 2024-10-29
- Product
- 2-Bromofluorene 1133-80-8
- Price
- US $0.00-0.00/KG
- Min. Order
- 1KG
- Purity
- 99.0%
- Supply Ability
- 10 tons
- Release date
- 2024-08-03