4-Chloropyridine-3-carboxamide manufacturers
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| 4-Chloropyridine-3-carboxamide Basic information |
| 4-Chloropyridine-3-carboxamide Chemical Properties |
Boiling point | 299.5±25.0 °C(Predicted) | density | 1.381±0.06 g/cm3(Predicted) | storage temp. | Keep in dark place,Inert atmosphere,Store in freezer, under -20°C | pka | 14.19±0.50(Predicted) | Appearance | Light yellow to yellow Solid |
Hazard Codes | Xn | Risk Statements | 22 | HS Code | 2933399990 |
| 4-Chloropyridine-3-carboxamide Usage And Synthesis |
Synthesis | Step A: Preparation of 4-chloronicotinamide: 4-chloronicotinic acid (10.00 g, 63.47 mmol) was mixed with SOCl2 (46.30 mL, 634.7 mmol) and heated and refluxed for 4 hours. Upon completion of the reaction, excess SOCl2 was removed by rotary evaporation. toluene (25 mL) was added to the residue and toluene was again removed by rotary evaporation. The resulting oily product was slowly poured into pre-cooled 25 mL of concentrated NH4OH (0 °C). After precipitating the solid, the product was collected by filtration to give 2.7 g of 4-chloronicotinamide in 27.6% yield. | References | [1] Patent: US2007/49603, 2007, A1. Location in patent: Page/Page column 47 |
| 4-Chloropyridine-3-carboxamide Preparation Products And Raw materials |
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Tag:4-Chloropyridine-3-carboxamide(7418-70-4)
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