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4-Chloropyridine-3-carboxamide

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4-Chloropyridine-3-carboxamide Basic information

Product Name:
4-Chloropyridine-3-carboxamide
Synonyms:
  • 4-Chloropyridine-3-carboxamide
  • 4-Chloro-3-pyridinecarboxaMide
  • 4-Chloropyridine-3-carboxamide ISO 9001:2015 REACH
  • 3-Pyridinecarboxamide, 4-chloro-
CAS:
7418-70-4
MF:
C6H5ClN2O
MW:
156.57
Product Categories:
  • Pyridines
Mol File:
7418-70-4.mol
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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
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Safety Information

Hazard Codes 
Xn
Risk Statements 
22
HS Code 
2933399990
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4-Chloropyridine-3-carboxamide Usage And Synthesis

Synthesis

10177-29-4

7418-70-4

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

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