Title: 6-Aminonicotinic Acid
CAS Registry Number: 3167-49-5
CAS Name: 6-Amino-3-pyridinecarboxylic acid
Additional Names: 6-amino-3-carboxypyridine
Molecular Formula: C6H6N2O2
Molecular Weight: 138.12
Percent Composition: C 52.18%, H 4.38%, N 20.28%, O 23.17%
Literature References: Prepd by heating 6-chloronicotinic acid with ammonia: Marckwald, Ber. 26, 2188 (1893); 27, 1319 (1894); Räth, Prauge, Ann. 467, 4 (1928); Johnson et al., J. Biol. Chem. 153, 37 (1944).
Derivative Type: Dihydrate
Properties: Crystals from dil acetic acid. Dec above 300° yielding 2-aminopyridine and CO2. Sparingly sol in most solvents.
Derivative Type: Potassium salt
Molecular Formula: C6H5KN2O2
Molecular Weight: 176.21
Percent Composition: C 40.90%, H 2.86%, K 22.19%, N 15.90%, O 18.16%
Properties: Crystals, freely sol in water, insol in alcohol.
Derivative Type: Hydrochloride
Molecular Formula: C6H6N2O2.HCl
Molecular Weight: 174.58
Percent Composition: C 41.28%, H 4.04%, N 16.05%, O 18.33%, Cl 20.31%
Properties: Needles, freely sol in water, slightly sol in alcohol.
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