5-Chloro-1H-indazole-3-carboxylic acid Chemical Properties

Melting point:

337 °C

Boiling point:

472.1±25.0 °C(Predicted)

Density 

1.644±0.06 g/cm3(Predicted)

storage temp. 

2-8°C

form 

solid

pka

2.82±0.30(Predicted)

color 

Yellow

Safety Information

Risk Statements 

22-36

Safety Statements 

26

HS Code 

29339900

5-Chloro-1H-indazole-3-carboxylic acid Usage And Synthesis

Chemical Properties

Light yellow solid

Synthesis

1H-indazole-3-carboxylic acid was dissolved in anhydrous acetic acid in a three-necked flask, heated and stirred. After the substrate was dissolved and clarified, phosphorus oxychloride was dissolved in anhydrous acetic acid and slowly added dropwise. In an oil bath at 90°C, the mixture was condensed back into the chemical book and reacted for 14 hours. After the reaction was complete, a white precipitate was produced. It was cooled in an ice bath, vacuum filtered, and the solid was washed with ethyl acetate first and then with ether to obtain 5-Chloro-1H-indazole-3-carboxylic acid.

5-Chloro-1H-indazole-3-carboxylic acid(1077-95-8)Related Product Information

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