ChemicalBook > CAS DataBase List > 3-Bromo-5-fluoropyridine
3-Bromo-5-fluoropyridine
- Product Name
- 3-Bromo-5-fluoropyridine
- CAS No.
- 407-20-5
- Chemical Name
- 3-Bromo-5-fluoropyridine
- Synonyms
- 3-Br;uoropyridine;3-Bromo-5-fL;3-bromo-5-fluoropyridin;3-BROMO-5-FLUOROPYRIDINE;5-BROMO-3-FLUOROPYRIDINE;5-Fluoro-3-bromopyridine;Pyridine, 3-bromo-5-fluoro-;5-broMo-3-fluoride pyridine;3-Bromo-5-fluoropyridine98%
- CBNumber
- CB8684466
- Molecular Formula
- C5H3BrFN
- Formula Weight
- 175.99
- MOL File
- 407-20-5.mol
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3-Bromo-5-fluoropyridine Property
- Melting point:
- 24-28 °C
- Boiling point:
- 78 °C / 11mmHg
- Density
- 1.707±0.06 g/cm3(Predicted)
- Flash point:
- 148 °F
- storage temp.
- Inert atmosphere,Room Temperature
- pka
- 0.45±0.20(Predicted)
- form
- Low Melting Solid or Liquid
- color
- Colorless to white
- InChI
- InChI=1S/C5H3BrFN/c6-4-1-5(7)3-8-2-4/h1-3H
- InChIKey
- HNNNBQRRIHKFLI-UHFFFAOYSA-N
- SMILES
- C1=NC=C(F)C=C1Br
- CAS DataBase Reference
- 407-20-5(CAS DataBase Reference)
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Safety
- Hazard Codes
- Xn,Xi,F
- Risk Statements
- 22-37/38-41-36/37/38-20/21/22-10
- Safety Statements
- 26-39-36-16
- RIDADR
- UN2811
- WGK Germany
- 3
- Hazard Note
- Irritant
- HazardClass
- 6.1
- HS Code
- 29333990
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Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Danger
- Hazard statements
-
H302Harmful if swallowed
H315Causes skin irritation
H318Causes serious eye damage
H335May cause respiratory irritation
- Precautionary statements
-
P280Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352IF ON SKIN: wash with plenty of soap and water.
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N-Bromosuccinimide Price
Sigma-Aldrich
- Product number
- 646296
- Product name
- 3-Bromo-5-fluoropyridine
- Purity
- 97%
- Packaging
- 1g
- Price
- $28
- Updated
- 2023/01/07
Sigma-Aldrich
- Product number
- 646296
- Product name
- 3-Bromo-5-fluoropyridine
- Purity
- 97%
- Packaging
- 5g
- Price
- $95.5
- Updated
- 2023/01/07
TCI Chemical
- Product number
- B3244
- Product name
- 3-Bromo-5-fluoropyridine
- Purity
- >98.0%(GC)
- Packaging
- 1g
- Price
- $27
- Updated
- 2025/07/31
TCI Chemical
- Product number
- B3244
- Product name
- 3-Bromo-5-fluoropyridine
- Purity
- >98.0%(GC)
- Packaging
- 5g
- Price
- $79
- Updated
- 2025/07/31
TRC
- Product number
- B693363
- Product name
- 3-Bromo-5-fluoropyridine
- Packaging
- 100mg
- Price
- $45
- Updated
- 2021/12/16
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3-Bromo-5-fluoropyridine Chemical Properties,Usage,Production
Chemical Properties
Colorless liquid
Synthesis
13535-01-8
407-20-5
Step 2: Synthesis of 3-bromo-5-fluoropyridine To a cooled solution of 10.0 g (0.058 mol) of 3-amino-5-bromopyridine dissolved in 59 mL of 50% tetrafluoroboric acid was added dropwise at -10 °C a solution prepared from 4.19 g (0.06 mol) of sodium nitrite dissolved in 13 mL of water. The reaction mixture was stirred at -8°C for 1 hr and then 150 mL of ether was added. The crude diazonium salt was collected by filtration and washed with ether. Subsequently, the crude diazonium salt was added in batches to 200 mL of toluene preheated to 80°C. The reaction mixture was stirred at 90°C for 1 hour and then the organic phase was concentrated. The light yellow residue was suspended in 150 mL of water and the pH was adjusted with 32% sodium hydroxide solution to 11. The aqueous phase was extracted three times with 200 mL of dichloromethane. The organic phases were combined, washed with water, dried over magnesium sulfate, and concentrated. The crude product was purified by vacuum distillation (10 mbar, 35 °C) to give 15.4 g of brown oil, which was further purified to give 5.6 g (0.032 mol, 55% yield) of the target compound 3-bromo-5-fluoropyridine as a colorless oil (ISP): m/e = 176.1, 178.1 (M + H+).
References
[1] Patent: US2006/199960, 2006, A1. Location in patent: Page/Page column 21
[2] Recueil des Travaux Chimiques des Pays-Bas, 1955, vol. 74, p. 1062,1068
3-Bromo-5-fluoropyridine Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from 3-Bromo-5-fluoropyridine manufacturers
Shaanxi Dideu New Materials Co. Ltd
- Product
- 3-Bromo-5-fluoropyridine 407-20-5
- Price
- US $0.00-0.00/KG
- Min. Order
- 1KG
- Purity
- 98.0%
- Supply Ability
- 10000KGS
- Release date
- 2025-06-03
Shaanxi Dideu Medichem Co. Ltd
- Product
- 3-Bromo-5-fluoropyridine 407-20-5
- Price
- US $1.10/g
- Min. Order
- 1g
- Purity
- 99.0% min
- Supply Ability
- 100 tons min
- Release date
- 2021-05-26
Hebei Chuanghai Biotechnology Co., Ltd
- Product
- 3-Bromo-5-fluoropyridine 407-20-5
- Price
- US $30.00-10.00/KG
- Min. Order
- 50KG
- Purity
- 99%
- Supply Ability
- 500000kg
- Release date
- 2024-10-24
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