2,7-DibroMo-9,9-difluoro-9H-fluorene
- Product Name
- 2,7-DibroMo-9,9-difluoro-9H-fluorene
- CAS No.
- 1229603-71-7
- Chemical Name
- 2,7-DibroMo-9,9-difluoro-9H-fluorene
- Synonyms
- 2,7-Dibromo-9,9-difluorofluorene;2,7-DibroMo-9,9-difluoro-9H-fluorene;9H-Fluorene, 2,7-dibroMo-9,9-difluoro-
- CBNumber
- CB62708344
- Molecular Formula
- C13H6Br2F2
- Formula Weight
- 359.99
- MOL File
- 1229603-71-7.mol
2,7-DibroMo-9,9-difluoro-9H-fluorene Property
- Melting point:
- 138.0 to 142.0 °C
- Boiling point:
- 361.5±42.0 °C(Predicted)
- Density
- 1.95±0.1 g/cm3(Predicted)
- storage temp.
- Sealed in dry,Room Temperature
- form
- powder to crystal
- color
- White to Light yellow to Light orange
Safety
- HS Code
- 2903.99.8001
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H315Causes skin irritation
H319Causes serious eye irritation
- Precautionary statements
-
P264Wash hands thoroughly after handling.
P264Wash skin thouroughly after handling.
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.
P332+P313IF SKIN irritation occurs: Get medical advice/attention.
P337+P313IF eye irritation persists: Get medical advice/attention.
N-Bromosuccinimide Price
- Product number
- D5053
- Product name
- 2,7-Dibromo-9,9-difluorofluorene
- Purity
- >97.0%(GC)
- Packaging
- 200mg
- Price
- $147
- Updated
- 2025/07/31
- Product number
- D425433
- Product name
- 2,7-Dibromo-9,9-difluorofluorene
- Packaging
- 2.5mg
- Price
- $45
- Updated
- 2021/12/16
- Product number
- D425433
- Product name
- 2,7-Dibromo-9,9-difluorofluorene
- Packaging
- 5mg
- Price
- $60
- Updated
- 2021/12/16
- Product number
- 5597DP
- Product name
- 2,7-Dibromo-9,9-difluoro-9H-fluorene
- Packaging
- 200mg
- Price
- $270
- Updated
- 2021/12/16
- Product number
- CD12170547
- Product name
- 2,7-Dibromo-9,9-difluoro-9H-fluorene
- Purity
- 98%
- Packaging
- 10g
- Price
- $282
- Updated
- 2021/12/16
2,7-DibroMo-9,9-difluoro-9H-fluorene Chemical Properties,Usage,Production
Synthesis
14348-75-5
1229603-71-7
The general procedure for the synthesis of 2,7-dibromo-9,9-difluoro-9H-fluorene from 2,7-dibromo-9-fluorenone is as follows: 2,7-dibromo-9-fluorenone (4.0 g, 11.8 mmol) was suspended in deoxyfluoric acid (12 mL) at room temperature and ethanol (4 drops) was added. The stirred suspension was heated at 90 °C for 24 h. (Note: when using deoxyfluor at high temperatures, a rapid and violent exothermic reaction may occur). When the reaction is complete, the mixture is cooled to room temperature and poured onto ice containing sodium bicarbonate. The solid formed is collected by filtration. The crude product was dissolved in ethyl acetate and washed sequentially with 1 M aqueous hydrochloric acid and brine. The organic phase was dried with anhydrous sodium sulfate, filtered and the solvent evaporated to give the crude product. The crude product was purified by silica gel column chromatography (eluent: ethyl acetate/hexane) to afford the target product 2,7-dibromo-9,9-difluoro-9H-fluorene (3.2 g).19F-NMR (282 MHz, dmso-d6) δ: -111.6 ppm.The solution of the product in ethyl acetate was passed through activated charcoal prior to the next step in the use.
References
[1] Patent: WO2013/22810, 2013, A1. Location in patent: Page/Page column 22
[2] Patent: WO2013/28953, 2013, A1. Location in patent: Page/Page column 70-71
[3] Patent: WO2013/98313, 2013, A1
[4] Patent: WO2013/40492, 2013, A2. Location in patent: Page/Page column 88-89
[5] Patent: US2013/273005, 2013, A1. Location in patent: Paragraph 0342
2,7-DibroMo-9,9-difluoro-9H-fluorene Preparation Products And Raw materials
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View Lastest Price from 2,7-DibroMo-9,9-difluoro-9H-fluorene manufacturers
- Product
- 2,7-Dibromo-9,9-difluoro-9H-fluorene 1229603-71-7
- Price
- US $2.20-8.80/kg
- Min. Order
- 1kg
- Purity
- 99%
- Supply Ability
- 100kg
- Release date
- 2025-06-24
- Product
- 2,7-DibroMo-9,9-difluoro-9H-fluorene 1229603-71-7
- Price
- US $0.10/KG
- Min. Order
- 1KG
- Purity
- 99.0%
- Supply Ability
- 1000 tons
- Release date
- 2020-04-27
- Product
- 2,7-Dibromo-9,9-difluoro-9H-fluorene 1229603-71-7
- Price
- US $0.00-0.00/KG
- Min. Order
- 100g
- Purity
- 99.0%+
- Supply Ability
- 100 tons
- Release date
- 2020-01-16