2-Chloro-5-nitronicotinic acid Chemical Properties

Melting point:

140-143℃

Boiling point:

384.8±42.0 °C(Predicted)

Density 

1.702±0.06 g/cm3(Predicted)

pka

1.57±0.10(Predicted)

form 

Solid

color 

White to yellow

Sensitive 

Moisture Sensitive

CAS DataBase Reference

42959-38-6(CAS DataBase Reference)

Safety Information

Hazard Codes 

Xi,Xn

Risk Statements 

22

HazardClass 

IRRITANT

HS Code 

2933399990

2-Chloro-5-nitronicotinic acid Usage And Synthesis

Synthesis

2-Hydroxy-5-nitro-nicotinic acid (2.7 mmol) in a mixture of NJV- dimethylformamide (2.7 mmol) and thionyl chloride (5 ml) was heated at 80 0C for 1 h. The mixture was allowed to cool and concentrated in a vacuum. To the resulting residue, ice water (20 ml) was added, and with vigorous stirring, a precipitate formed. The precipitate was filtered off and dried in a vacuum oven to give a white solid 2-Chloro-5-nitronicotinic acid (68 percent).

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