9,9-Didecyl-2,7-dibromofluorene
- Product Name
- 9,9-Didecyl-2,7-dibromofluorene
- CAS No.
- 175922-78-8
- Chemical Name
- 9,9-Didecyl-2,7-dibromofluorene
- Synonyms
- M8036;9,9-Didecyl-2,7-dibromofluorene;2,7-Dibromo-9,9-didecylfluorene;2,7-Dibromo-9,9-didecylfluorene>2,7-Dibromo-9,9-didecyl-9H-fluorene;9H-Fluorene, 2,7-dibromo-9,9-didecyl-;2,7-DibroMo-9,9-didecylfluorene,9,9-didecyl-2,7-dibroMofluorene
- CBNumber
- CB72105997
- Molecular Formula
- C33H48Br2
- Formula Weight
- 604.54
- MOL File
- 175922-78-8.mol
9,9-Didecyl-2,7-dibromofluorene Property
- Melting point:
- 38.0 to 42.0 °C
- Boiling point:
- 610.3±48.0 °C(Predicted)
- Density
- 1.166
- storage temp.
- Sealed in dry,Room Temperature
- solubility
- soluble in Tetrahydrofuran
- 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.
P321Specific treatment (see … on this label).
P332+P313IF SKIN irritation occurs: Get medical advice/attention.
P362Take off contaminated clothing and wash before reuse.
N-Bromosuccinimide Price
- Product number
- D4561
- Product name
- 2,7-Dibromo-9,9-didecylfluorene
- Purity
- >98.0%(HPLC)(T)
- Packaging
- 5g
- Price
- $68
- Updated
- 2025/07/31
- Product number
- D4561
- Product name
- 2,7-Dibromo-9,9-didecylfluorene
- Purity
- >98.0%(HPLC)(T)
- Packaging
- 25g
- Price
- $205
- Updated
- 2025/07/31
- Product number
- D439453
- Product name
- 9,9-Didecyl-2,7-dibromofluorene
- Packaging
- 500mg
- Price
- $75
- Updated
- 2021/12/16
- Product number
- X4132
- Product name
- 9,9-Didecyl-2,7-dibromofluorene
- Packaging
- 5g
- Price
- $117
- Updated
- 2021/12/16
- Product number
- FD152444
- Product name
- 2,7-Dibromo-9,9-didecyl-9H-fluorene
- Packaging
- 5mg
- Price
- $117
- Updated
- 2021/12/16
9,9-Didecyl-2,7-dibromofluorene Chemical Properties,Usage,Production
Uses
9,9-Didecyl-2,7-dibromofluorene (CAS# 175922-78-8) is a useful building block and has been used in the preparation of heat-resistant, fluorescent polyfluorene, as well as in the preparation of conducting polymer for use in solar cells.
Synthesis
112-29-8
16433-88-8
175922-78-8
Example 1 Synthesis of 2,7-dibromo-9,9-didecylfluorene: 2,7-dibromofluorene (64.8 g, 0.20 mol), potassium iodide (3.0 g, 0.018 mol), finely powdered potassium hydroxide (56.0 g, 1 mol) and dimethyl sulfoxide (150 mL) were added to a three-necked, round-bottomed flask under nitrogen protection with mechanical stirring. The flask was cooled in an ice-water bath and decyl bromide (90 mL, 95.94 g, 0.434 mol) was subsequently added in four batches. Note that the internal temperature rises significantly during the addition process. Once the last addition was completed, the reaction mixture was continued to be stirred at room temperature for 4 hours. At the end of the reaction, the reaction was quenched by the addition of water (200 mL) and the solid product was collected by filtration. The resulting solid was dried in a desiccator containing phosphorus pentoxide for 16 hours. The crude product was purified by ethanol recrystallization to afford 2,7-dibromo-9,9-didecylfluorene as white crystals (melting point 40-41 °C) in 92.7% yield. Mass spectrometry analysis showed molecular ion peaks m/z of 602, 604, 606 (M+), fragment ion peaks m/z of 461, 463, 465 (M-C10H21), and 382, 384 (461-Br). Elemental analysis results: calculated values for C33H48Br2: C, 65.56%; H, 8.00%; Br, 26.44%. Measured values: C, 64.99%; H, 8.21%; Br, 27.25%.
References
[1] Patent: US6730793, 2004, B1. Location in patent: Page column 3
[2] Polymer, 2014, vol. 55, # 26, p. 6696 - 6707
[3] Patent: US2018/273524, 2018, A1. Location in patent: Paragraph 0041
[4] Molecular Crystals and Liquid Crystals, 2013, vol. 578, # 1, p. 26 - 32
[5] Journal of Polymer Science, Part A: Polymer Chemistry, 2016, vol. 54, # 17, p. 2774 - 2784
9,9-Didecyl-2,7-dibromofluorene Preparation Products And Raw materials
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View Lastest Price from 9,9-Didecyl-2,7-dibromofluorene manufacturers
- Product
- 9,9-Didecyl-2,7-dibromofluorene 175922-78-8
- Price
- US $0.00/KG
- Min. Order
- 1KG
- Purity
- 98%
- Supply Ability
- 150KG /month
- Release date
- 2021-11-19
- Product
- 9,9-Didecyl-2,7-dibromofluorene 175922-78-8
- Price
- US $1.00/KG
- Min. Order
- 1G
- Purity
- 98%
- Supply Ability
- 100kg
- Release date
- 2018-08-12