- 3-Fluor-4-methylpyridin
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- $100.00 / 25KG
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2023-01-31
- CAS:399-88-2
- Min. Order: 1KG
- Purity: 99%
- Supply Ability: 5000kh/week
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| 3-Fluoro-4-methylpyridine Basic information |
| 3-Fluoro-4-methylpyridine Chemical Properties |
Boiling point | 135,6 C | density | 1.08 g/cm | refractive index | 1,479 | storage temp. | Inert atmosphere,Room Temperature | form | Liquid | pka | 3.48±0.18(Predicted) | color | Colorless to pale yellow | CAS DataBase Reference | 399-88-2(CAS DataBase Reference) |
Hazard Codes | T,Xi | Risk Statements | 36/37/38 | Safety Statements | 26-36 | RIDADR | 1993 | HazardClass | 3 | PackingGroup | Ⅲ | HS Code | 2933399990 |
| 3-Fluoro-4-methylpyridine Usage And Synthesis |
Synthesis | 3-Fluoro-4-methylpyridine To a cooled (-78℃) solution of N, N-diisopropylamine (15.92mL, 113.4mmol) in THF (14OmL) a solution of BuLi 2.5M in hexane (45.4ml, 113.4 mmol) was added dropwise over 30 minutes under an atmosphere of Argon. The mixture was stirred for 30 min. at - 78℃ and a solution of 3-fluoropyridine (10g, 103.1 mmol) in THF (5ml) was added. After 1h at -780C, the mixture was treated with MeI (7 ml, 113.4mmol) and then was allowed to reach 250C. A solution of NaHCO3 saturated (30ml) was added and the aqueous phase was extracted with diethyl ether. The organic layer was dried (MgSO4) and upon distillation the product was collected as a colourless liquid 3-Fluoro-4-methylpyridine, bp 1300C, yield 5.3 g (47percent).
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| 3-Fluoro-4-methylpyridine Preparation Products And Raw materials |
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