Isonicotinic acid

Pyridine- 4-carboxylic acid

White, odorless powder

Fixed

315-319 ° C

• PKsCOOH (20 ° C) = 4.84
• PKsN (20 ° C) = 12.23

Sparingly soluble in water: 6 g · l-1 (20 ° C)

Attention

5000 mg · kg -1 ( LD50, rat, oral)

Template: Infobox chemical / molecular formula search available

The isonicotinic acid ( pyridine -4 -carboxylic acid) is an organic compound that the heterocycles (more precisely, heteroaromatics ) counts. They consist of a pyridine ring which is substituted with a carboxyl group (-COOH). It belongs with the other two isomers of picolinic acid and nicotinic acid to the group of pyridine carboxylic acids with molecular formula C6H5NO2.