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3-Aminopyridine

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Identification
Molecular formula
C5H6N2
CAS number
462-08-8
IUPAC name
pyridin-3-amine
State
State

At room temperature, 3-Aminopyridine exists in a solid state as a crystalline powder. It generally requires storage in a dry, cool environment to maintain its structure due to its hygroscopic properties.

Melting point (Celsius)
63.00
Melting point (Kelvin)
336.15
Boiling point (Celsius)
251.50
Boiling point (Kelvin)
524.65
General information
Molecular weight
94.11g/mol
Molar mass
94.1140g/mol
Density
1.1200g/cm3
Appearence

3-Aminopyridine is a crystalline solid that often appears as a white to slightly yellow powder. It is characterized by its hygroscopic nature, meaning it has the ability to absorb moisture from the air, which can sometimes cause it to appear damp or clumped.

Comment on solubility

Solubility of Pyridin-3-amine

Pyridin-3-amine, with the chemical formula C5H7N, exhibits notable solubility characteristics in various solvents. Here are some key points regarding its solubility:

  • Polar Solvents: Pyridin-3-amine is generally soluble in polar solvents such as water, ethanol, and methanol. This is attributed to its amine group, which can form hydrogen bonds with water molecules.
  • Non-Polar Solvents: The solubility in non-polar solvents is relatively low because of the compound's polar nature. Solvents like hexane or toluene do not dissolve pyridin-3-amine effectively.
  • Temperature Effects: Solubility can also be influenced by temperature; increasing the temperature generally enhances the solubility of solid compounds in liquids.
  • pH Dependence: The solubility of pyridin-3-amine can be affected by the pH of the solution because the amine group can interact with acids and bases, often forming soluble salts.

In summary, the solubility of pyridin-3-amine is quite significant in polar solvents due to its ability to engage in hydrogen bonding. However, in the realm of non-polar solvents, its solubility diminishes markedly. As noted, factors such as temperature and pH also play an essential role in determining the compound's solubility profile.

Interesting facts

Interesting Facts about Pyridin-3-amine

Pyridin-3-amine, also known as 3-aminopyridine, is an organic compound with intriguing properties and applications. Here are some fascinating aspects of this compound:

  • Structural Context: Pyridin-3-amine features a pyridine ring, which is a six-membered aromatic ring containing five carbon atoms and one nitrogen atom. The amino group (-NH2) is positioned at the third carbon, making it a significant derivative of pyridine.
  • Biological Relevance: This compound is of considerable interest in pharmacology. It is known for its role as a potential therapeutic agent—particularly in the treatment of neurological disorders such as myasthenia gravis and multiple sclerosis.
  • Synthesis: Pyridin-3-amine can be synthesized through various methods, including the reduction of 3-cyanopyridine or the direct amination of pyridine. These synthetic pathways highlight the compound's versatility in organic chemistry.
  • Chemical Properties: The presence of the amino group significantly affects the chemical reactivity and properties of pyridin-3-amine. This compound can participate in reactions typical of amines, such as N-alkylation and acylation, which can be useful in synthesizing more complex molecules.
  • Applications in Material Science: Beyond pharmaceuticals, pyridin-3-amine is explored for its potential applications in creating novel material systems, including polymers and ligands in coordination chemistry.

In summary, pyridin-3-amine serves as an excellent example of how a simple organic compound can bridge multiple fields—from medicinal chemistry to materials science. Its unique structure and reactive nature make it a compound of ongoing interest in scientific research.

Synonyms
3-AMINOPYRIDINE
462-08-8
pyridin-3-amine
3-Pyridinamine
3-Pyridylamine
m-Aminopyridine
Amino-3 pyridine
pyridin-3-ylamine
Pyridine, 3-amino-
3-amino pyridine
beta-Aminopyridine
.beta.-Aminopyridine
3-Pyridinylamine
MFCD00006400
pyridin-3-yl-amine
CHEMBL25541
DTXSID9047461
69JE8P2L84
NSC-15040
DTXCID7027461
CAS-462-08-8
EINECS 207-322-2
NSC 15040
BRN 0105692
UNII-69JE8P2L84
3-aminopryidine
3-aminopyridin
AI3-52546
3-amino-pyridin
3-Amino pyridin
3-pyridine amine
pyridine-3-amine
3-Amino-pyridine
pyridine-3-ylamine
pyridin-3-yl amine
5-AMINOPYRIDINE
3-Aminopyridine, 99%
3AP
WLN: T6NJ CZ
5-22-09-00003 (Beilstein Handbook Reference)
.BETA.-AMINOPYRIDINE [MI]
3-Pyridinamine; beta-Aminopyridine
BCP22961
NSC15040
Tox21_201650
Tox21_303451
BDBM50122005
CX1211
STL163954
AKOS000119614
FA02057
PS-9358
UN 2671
UN-2671
m-Aminopyridine [UN2671] [Poison]
NCGC00249092-01
NCGC00257364-01
NCGC00259199-01
BP-12818
DB-028364
A0413
NS00020819
EN300-21243
A827009
AC-907/25014070
Q4634118
F1995-0204
Z104494800
InChI=1/C5H6N2/c6-5-2-1-3-7-4-5/h1-4H,6H