2-Bromopyridine
- CAS No.
- 109-04-6
- Chemical Name:
- 2-Bromopyridine
- Synonyms
- -Bromopyridine;-Bromoazine;2-Brompyridin;2-Bromopyridine;2-bromo-pyridin;o-Bromopyridine;2-pyridylbromide;AKOS BBS-00004324;BROMOPYRIDINE(2-);Pyridine,2-bromo-
- CBNumber:
- CB3465833
- Molecular Formula:
- C5H4BrN
- Molecular Weight:
- 158
- MOL File:
- 109-04-6.mol
- MSDS File:
- SDS
- Modify Date:
- 2024/4/28 16:56:32
| Melting point | 193°C |
|---|---|
| Boiling point | 192-194 °C (lit.) |
| Density | 1.657 g/mL at 25 °C (lit.) |
| refractive index |
n |
| Flash point | 130 °F |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| solubility | 20g/l |
| form | Liquid |
| pka | pK1: 0.71(+1) (25°C) |
| color | Clear colorless to pale brown |
| Water Solubility | Slightly miscible with water. |
| BRN | 105789 |
| Dielectric constant | 24.02 |
| Stability | Stable. Flammable. Incompatible with strong oxidizing agents, strong acids, acid chlorides. |
| InChIKey | IMRWILPUOVGIMU-UHFFFAOYSA-N |
| LogP | 1.42 |
| CAS DataBase Reference | 109-04-6(CAS DataBase Reference) |
| NIST Chemistry Reference | Pyridine, 2-bromo-(109-04-6) |
| EPA Substance Registry System | Pyridine, 2-bromo- (109-04-6) |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS06 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Danger | |||||||||
| Hazard statements | H301-H310-H315-H319-H335 | |||||||||
| Precautionary statements | P262-P280-P301+P310+P330-P302+P352+P310-P305+P351+P338 | |||||||||
| Hazard Codes | T,Xn,F | |||||||||
| Risk Statements | 10-24/25-36/37/38-23/24/25-20/21/22 | |||||||||
| Safety Statements | 16-36/37-45-38-36/37/39-28A-26 | |||||||||
| RIDADR | UN 2929 6.1/PG 2 | |||||||||
| WGK Germany | 3 | |||||||||
| RTECS | US3850000 | |||||||||
| F | 8 | |||||||||
| Hazard Note | Toxic | |||||||||
| TSCA | Yes | |||||||||
| HazardClass | 6.1 | |||||||||
| PackingGroup | II | |||||||||
| HS Code | 29333999 | |||||||||
| NFPA 704 |
|
2-Bromopyridine price More Price(10)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich(India) | B80100 | 2-Bromopyridine 99% | 109-04-6 | 25G | ₹2533.05 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | B80100 | 2-Bromopyridine 99% | 109-04-6 | 100G | ₹8800.73 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | B80100 | 2-Bromopyridine 99% | 109-04-6 | 500G | ₹27592.93 | 2022-06-14 | Buy |
| ALFA India | ALF-A13241-36 | 2-Bromopyridine, 99% | 109-04-6 | 500g | ₹24936 | 2022-05-26 | Buy |
| ALFA India | ALF-A13241-30 | 2-Bromopyridine, 99% | 109-04-6 | 250g | ₹19497 | 2022-05-26 | Buy |
2-Bromopyridine Chemical Properties,Uses,Production
Chemical Properties
light yellow oily or dark red liquid. miscible with ethanol, ether, benzene and pyridine, still soluble in water.
Uses
2-Bromopyridine is a 2-halogenated pyridine used in the preparation of a variety of biologically active compounds such as antimalarial agents and beta-adrenoceptor agonist.
Preparation
2-Bromopyridine is synthesized from 2-aminopyridine by bromination. In industrial production, hydrobromic acid (over 48%) is first cooled to below 0°C, 2-aminopyridine is slowly added, and then liquid bromine is added dropwise in a salt bath under freezing, and the rate of addition is to control the reaction temperature below -5°C appropriate. After adding, add sodium nitrite aqueous solution dropwise, control the reaction temperature to be below 0°C, stir for 20-30min, dropwise add 50% sodium hydroxide solution, extract the reaction solution with ether, wash with water, dry with anhydrous sodium sulfate, filter, and recover Diethyl ether, the residue was distilled under reduced pressure, and the 88°C-94°C/3333Pa fraction was collected to obtain the finished product of 2-bromopyridine with a yield of 83.8%.
Reactions
2-Bromopyridine reacts with butyllithium to give 2-lithiopyridine, which is a versatile reagent.Pyrithione can be prepared in a two-step synthesis from 2-bromopyridine by oxidation to the N-oxide with a suitable peracid followed by substitution using either sodium dithionite or sodium sulfide with sodium hydroxide to introduce the thiol functional group.
Purification Methods
Dry 2-bromopyridine over KOH for several days, then distil it from CaO under reduced pressure, and taking the middle fraction. [Beilstein 20/5 V 422.]
2-Bromopyridine Preparation Products And Raw materials
Raw materials
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