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2,3-diaminopyridine

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Identification
Molecular formula
C5H7N3
CAS number
452-58-4
IUPAC name
pyridine-2,3-diamine
State
State

At room temperature, 2,3-diaminopyridine is typically found in a solid state.

Melting point (Celsius)
111.00
Melting point (Kelvin)
384.15
Boiling point (Celsius)
252.00
Boiling point (Kelvin)
525.15
General information
Molecular weight
109.13g/mol
Molar mass
109.1320g/mol
Density
1.2880g/cm3
Appearence

2,3-Diaminopyridine typically appears as an off-white to yellowish crystalline solid. It may sometimes be encountered as a beige powder. The compound is hygroscopic, meaning it can absorb moisture from the air.

Comment on solubility

Solubility of Pyridine-2,3-Diamine

Pyridine-2,3-diamine, also known as 2,3-diaminopyridine, exhibits notable solubility characteristics that are of great interest in various chemical applications.

Key Points on Solubility:

  • Solvent Compatibility: Pyridine-2,3-diamine is generally soluble in polar solvents such as water and methanol, which enhances its utility in aqueous reactions.
  • Hydrogen Bonding: The presence of amino groups (-NH2) allows for the formation of hydrogen bonds with the solvent molecules, thereby increasing its solubility.
  • Temperature Influence: Solubility tends to increase with temperature, suggesting that elevated temperatures can facilitate its dissolution in solvent mediums.
  • pH Dependency: The solubility of pyridine-2,3-diamine can be affected by the pH of the solution, with higher solubility observed under more acidic or basic conditions due to protonation or deprotonation of amino groups.

In summary, the solubility of pyridine-2,3-diamine in polar solvents coupled with its thermal and pH-dependent behavior makes it an intriguing compound for research and industrial applications. Understanding these solubility dynamics is crucial for effectively utilizing this compound in synthesis and formulation processes.

Interesting facts

Interesting Facts about Pyridine-2,3-Diamine

Pyridine-2,3-diamine, also known as 2,3-diaminopyridine, is a fascinating compound that has garnered attention in various fields, including pharmaceuticals and biochemistry. Here are some key insights:

  • Biological Significance: This compound plays a crucial role in the medical field, particularly in the treatment of myasthenia gravis, an autoimmune disorder that affects neuromuscular transmission. Pyridine-2,3-diamine acts as an acetylcholinesterase inhibitor, effectively enhancing neuromuscular function.
  • Structural Properties: The presence of amino groups in the pyridine ring significantly contributes to its reactivity and interaction with biological systems. This simple alteration allows for diverse derivatization and enhances the compound's pharmacological properties.
  • Synthesis Pathways: Pyridine-2,3-diamine can be synthesized through multiple methods, including the reduction of pyridine-2,3-dicarbonitrile or using amine substitution reactions. This versatility in synthesis makes it an accessible compound for researchers.
  • Research Applications: Beyond its therapeutic implications, pyridine-2,3-diamine is also studied for its potential in synthetic chemistry, serving as an intermediate in the synthesis of various complex organic molecules.
  • Environmental Considerations: While the compound exhibits valuable qualities in medicine, attention must be paid to its environmental impact. Researchers are investigating its biodegradability and potential toxicity to ensure safe usage and disposal.

In summary, pyridine-2,3-diamine is not just a chemical compound; it is a building block of modern therapeutic strategies and a subject of ongoing research. Its unique properties and biological relevance make it an exciting focus for chemists and medical scientists alike.

Synonyms
2,3-Diaminopyridine
452-58-4
pyridine-2,3-diamine
2,3-Pyridinediamine
Pyridine, 2,3-diamino-
MFCD00006319
EINECS 207-200-9
NSC 45406
UNII-CBX394737H
BRN 0109869
DTXSID0051493
AI3-52327
NSC-45406
DTXCID9030676
CBX394737H
5-22-11-00241 (Beilstein Handbook Reference)
Pyridine-2,3-diyldiamine
2,3-diamino-pyridine
2,3-Pyridinediamine; N2-Benzyl-2,3-pyridinediamine; NSC 45406
NSC45406
Pyridine,3-diamino-
2,3 diamino pyridine
"2,3-Diaminopyridine"
"pyridine-2,3-diamine"
SCHEMBL88338
2,3-Diaminopyridine, 95%
2,3-Pyridinediamine (9CI)
SCHEMBL3952094
CHEBI:195591
BCP04951
CS-D1498
STR01839
Tox21_303818
BBL011063
STK802242
AKOS005135856
AC-3570
BG-0085
CCG-302490
FD07097
SB75564
NCGC00357096-01
BP-12738
CAS-452-58-4
DB-005118
D0117
NS00031511
EN300-56505
AC-907/25014077
2,3-Diaminopyridine, Vetec(TM) reagent grade, 94%
Q27275394
F0001-1225
Z385438806
207-200-9
76X