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2-aminopyridine
EntityQ2393470· pop 16· linked from 11 articles

2-aminopyridine

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Also known as α-Aminopyridine, α-Pyridylamine, alpha-aminopyridine, alpha-pyridylamine, 2-Pyridylamine, alpha-Pyridinamine, Amino-2 pyridine

2-Aminopyridine is an organic compound with the formula H2NC5H4N. It is one of three isomeric aminopyridines. It is a colourless solid that is used in the production of the drugs piroxicam, sulfapyridine, tenoxicam, and tripelennamine. It is produced by the reaction of sodium amide with pyridine, the Chichibabin reaction.

Wikidata facts

Mass
95.10
Show 16 more facts
chemical formula
C₄H₅N₃
median lethal dose (LD50)
70
NIOSH Pocket Guide ID
0026
immediately dangerous to life or health
19.25
solubility
100
melting point
137
boiling point
411
vapor pressure
0.8
flash point
154
ionization energy
8
time-weighted average exposure limit
0.5
minimal lethal dose
50
short-term exposure limit
2
canonical SMILES
C1=CC=NC(=C1)N
subject has role
fluorophore
Commons category
2-Aminopyridine
Sources (6)

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Encyclopedic overview

4 sections
Contents
  • Reactions
  • Toxicity
  • References
  • External links

2-Aminopyridine is an organic compound with the formula H2NC5H4N. It is one of three isomeric aminopyridines. It is a colourless solid that is used in the production of the drugs piroxicam, sulfapyridine, tenoxicam, and tripelennamine. It is produced by the reaction of sodium amide with pyridine, the Chichibabin reaction.

==Reactions== thumb|The bifunctionality of 2-aminopyridine is illustrated by this 1:2 adduct with maleic anhydride.|left|110px Although 2-hydroxypyridine converts significantly to the pyridone tautomer, the related imine tautomer (HNC5H4NH) is less important for 2-aminopyridine.

Excerpted from Wikipedia’s “2-aminopyridine” article, available under the CC BY-SA 4.0 licence.