Overview
2-Aminopyridine is an organic compound featuring an amino group attached to the 2-position of a pyridine ring. It serves as a versatile intermediate in the synthesis of pharmaceuticals, agrochemicals, and specialty chemicals. The compound is known for its reactivity, particularly in nucleophilic substitution reactions, making it valuable in industrial and laboratory settings. Due to its structural properties, 2-aminopyridine is often employed in the production of antihistamines, antiviral drugs, and other bioactive molecules. Its ability to act as a ligand in coordination chemistry further expands its utility in catalytic processes and material science applications.
Physical and Chemical Properties
2-Aminopyridine appears as a white to pale yellow crystalline solid with a distinctive amine odor. It has a melting point of 56-58 °C and a boiling point of 204-206 °C. The compound is moderately soluble in water and highly soluble in polar organic solvents like ethanol and acetone. Chemically, 2-aminopyridine exhibits weak basicity due to the lone pair of electrons on the nitrogen atom. The amino group is reactive, participating in condensation, alkylation, and acylation reactions. Its stability under normal conditions makes it suitable for storage and handling in industrial environments.
Main Applications
In the pharmaceutical industry, 2-aminopyridine is a key intermediate for synthesizing drugs such as antihistamines and antiviral agents. It is also used in the production of agrochemicals, including pesticides and herbicides, where it functions as a building block for active ingredients. Beyond pharmaceuticals and agrochemicals, 2-aminopyridine finds use in corrosion inhibitors for metals and as a ligand in catalytic processes. Its versatility in chemical synthesis ensures demand across multiple industries, from healthcare to materials engineering.
Safety and Storage
2-Aminopyridine is classified as harmful if swallowed and can cause skin and eye irritation. Proper personal protective equipment (PPE), including gloves and goggles, should be worn when handling the compound. In case of exposure, immediate washing with water is recommended. Storage conditions should prioritize a cool, dry environment away from direct sunlight and moisture. The compound should be kept in airtight containers to prevent degradation. Proper labeling and segregation from incompatible substances are essential for safe storage.
B2B Procurement Guide
When procuring 2-aminopyridine, buyers should verify the CAS number (504-29-0) and request certificates of analysis (CoA) to confirm purity and quality. Reputable suppliers often provide technical data sheets detailing specifications and handling instructions. Bulk purchases may offer cost advantages, but buyers should assess storage capabilities to avoid spoilage. Lead times and logistical considerations, such as temperature-controlled shipping for sensitive batches, should also be factored into procurement planning.
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