4-Bromo-2-methylpyridine
- CAS No.
- 22282-99-1
- Chemical Name:
- 4-Bromo-2-methylpyridine
- Synonyms
- -4-bromopyridine;4-BROMO-2-PICOLINE;CHEMBRDG-BB 4014101;4-BROMO-2-PICOLINE HCL;4-BROMO-METHYL-PYRIDINE;4-Bromo-2-methylpyridie;4-BROMO-2-METHYLPYRIDINE;2-METHYL-4-BROMOPYRIDINE;4-bormo-2-methylpyridine;4-BroMo-2-Methylpyridine0
- CBNumber:
- CB9425671
- Molecular Formula:
- C6H6BrN
- Molecular Weight:
- 172.02
- MDL Number:
- MFCD03788196
- MOL File:
- 22282-99-1.mol
- MSDS File:
- SDS
- TDS File:
- TDS
| Melting point | 26-27° |
|---|---|
| Boiling point | 76 °C / 14mmHg |
| Density | 1.450 g/mL at 25 °C |
| refractive index |
n |
| Flash point | 174 °F |
| storage temp. | under inert gas (nitrogen or Argon) at 2-8°C |
| solubility | Dichloromethane |
| form | Pale Yellow Liquid |
| pka | 4.38±0.10(Predicted) |
| color | Colorless to Light yellow to Light orange |
| Water Solubility | Miscible with dichloromethane. Immiscible with water. |
| InChI | InChI=1S/C6H6BrN/c1-5-4-6(7)2-3-8-5/h2-4H,1H3 |
| InChIKey | JFBMFWHEXBLFCR-UHFFFAOYSA-N |
| SMILES | C1(C)=NC=CC(Br)=C1 |
| CAS DataBase Reference | 22282-99-1(CAS DataBase Reference) |
| UNSPSC Code | 12352100 |
| NACRES | NA.22 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) | ![]() ![]() GHS05,GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Danger | |||||||||
| Hazard statements | H302-H315-H318-H335 | |||||||||
| Precautionary statements | P261-P264-P280-P301+P312-P302+P352-P305+P351+P338 | |||||||||
| target organs | Respiratory system | |||||||||
| PPE | Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter | |||||||||
| Hazard Codes | Xn,Xi | |||||||||
| Risk Statements | 22-37/38-41-36/37/38-20/21/22 | |||||||||
| Safety Statements | 26-36/39-36 | |||||||||
| RIDADR | NA 1993 / PGIII | |||||||||
| WGK Germany | 3 | |||||||||
| HazardClass | IRRITANT | |||||||||
| HS Code | 29333990 | |||||||||
| Storage Class | 10 - Combustible liquids | |||||||||
| Hazard Classifications | Acute Tox. 4 Oral Eye Dam. 1 Skin Irrit. 2 STOT SE 3 |
|||||||||
| NFPA 704 |
|
4-Bromo-2-methylpyridine price More Price(89)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 662739 | 4-Bromo-2-methylpyridine 96% | 22282-99-1 | 1g | $64.4 | 2026-04-30 | Buy |
| Sigma-Aldrich | 662739 | 4-Bromo-2-methylpyridine 96% | 22282-99-1 | 250mg | $54.7 | 2023-06-20 | Buy |
| TCI Chemical | B3279 | 4-Bromo-2-methylpyridine >98.0%(GC)(T) | 22282-99-1 | 1g | $31 | 2026-04-30 | Buy |
| TCI Chemical | B3279 | 4-Bromo-2-methylpyridine >98.0%(GC)(T) | 22282-99-1 | 5g | $92 | 2026-04-30 | Buy |
| TRC | TRC-B685560-500MG | 4-Bromo-2-picoline | 22282-99-1 | 500mg | $84 | 2026-06-03 | Buy |
4-Bromo-2-methylpyridine Chemical Properties, Uses, Production
Chemical Properties
Light yellow liquid
Uses
4-Bromo-2-methylpyridine is a starting material used in a synthesis of crown-ester-bipyridines and viologens via sodium or nickel reductive coupling, side chain oxidation and esterification.
Uses
Used in the preparation of phenyloxadiazolyl pyridines as immunomodulating agents.
Uses
4-Bromo-2-methylpyridine is used as a starting material in the preparation of crown-ester-bipyridines and viologens through sodium or nickel reductive coupling, side chain oxidation and esterification. Further, it serves as an important raw material and intermediate in organic synthesis, pharmaceuticals, agrochemicals and in dyes.
Synthesis
18437-58-6
22282-99-1
2-Methyl-4-aminopyridine (152) (10.1 g, 93.4 mmol) was used as a raw material, which was dissolved in 48% aqueous hydrobromic acid (165 mL) at -10°C and stirred to form a solution. An aqueous solution of sodium nitrite (7.04 g, 0.102 mol) pre-cooled to 0°C (165 mL) was added dropwise to this solution over a period of 0.5 hours. After the dropwise addition, the reaction mixture was slowly warmed to room temperature and stirring was continued for 16 hours. Upon completion of the reaction, the reaction mixture was diluted with 4 M sodium hydroxide solution (400 mL) and subsequently extracted with tert-butyl methyl ether (TBME). All TBME phases were combined, dried with anhydrous magnesium sulfate and finally concentrated under vacuum to give the target product 4-bromo-2-methylpyridine (153). Yield: 14.8 g (92% yield).LC/MS analysis: retention time 0.57 min, mass spectrum (ES+) m/z 172, 174 ([M+H]+).
References
[1] Patent: WO2008/57497, 2008, A2. Location in patent: Page/Page column 292
[2] Patent: WO2007/89669, 2007, A2. Location in patent: Page/Page column 203-204
[3] Patent: WO2008/57469, 2008, A1. Location in patent: Page/Page column 292
[4] Patent: WO2008/57468, 2008, A1. Location in patent: Page/Page column 292
[5] Patent: WO2004/14913, 2004, A2. Location in patent: Page 81-82
4-Bromo-2-methylpyridine Preparation Products And Raw materials
Raw materials
1of3
Preparation Products
1of2
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| JIANGYIN RUISHIPHARM CO.,LIMITED | 0510-0510-66227179 18921203887 | sales@ruishipharm.com | China | 747 | 58 |
| Jinan Dexinjia Bio&Tech Co., Ltd | 0531-82375880 15098789112 | 3845379039@qq.com | China | 1457 | 58 |
| Jinan Shunyichang new material Co., LTD | 18865936198 | limin9361@163.com | China | 89 | 58 |
| J & K SCIENTIFIC LTD. | 18210857532 18210857532 | jkinfo@jkchemical.com | China | 96815 | 76 |
| Meryer (Shanghai) Chemical Technology Co., Ltd. | 4006356688 18621169109 | market03@meryer.com | China | 40202 | 62 |
| 3B Pharmachem (Wuhan) International Co.,Ltd. | 18930552037 | 3bsc@sina.com | China | 15813 | 69 |
| Alfa Aesar | 400-6106006 | saleschina@alfa-asia.com | China | 30103 | 84 |
| TCI (Shanghai) Development Co., Ltd. | 021-67121386 | Sales-CN@TCIchemicals.com | China | 24512 | 81 |
| Energy Chemical | 400-0056266 | sales8178@energy-chemical.com | China | 44850 | 61 |
| Shijiazhuang Sdyano Fine Chemical Co., Ltd. | 0311-89250318 13582355795 | master@sjzsdyn.com | China | 2776 | 65 |
View Latest Price from 4-Bromo-2-methylpyridine manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
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2026-09-02 | 4-Bromo-2-methylpyridine
22282-99-1
|
$5.00 | 1KG | 98% | Henan Fengda Chemical Co., Ltd | ||
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2026-08-20 | 4-Bromo-2-methylpyridine
22282-99-1
|
$1.10 | 1g | 99.00% | 100 Tons min | Dideu Industries Group Limited | |
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2026-07-22 | 4-Bromo-2-methylpyridine
22282-99-1
|
1kg | 99% | 100KG | Watson Biotechnology Co.,Ltd |
-

- 4-Bromo-2-methylpyridine
22282-99-1
- $5.00
- 98%
- Henan Fengda Chemical Co., Ltd
-

- 4-Bromo-2-methylpyridine
22282-99-1
- $1.10
- 99.00%
- Dideu Industries Group Limited
-

- 4-Bromo-2-methylpyridine
22282-99-1
- 99%
- Watson Biotechnology Co.,Ltd






