2-(2-Pyridyl)benzimidazole TCI P1599

Chemical Identity

CAS No.: 1137-68-4
PubChem: CID 70821·SID 253662286
Formula: C12H9N3
Molecular weight: 195.22 g/mol
Purity: >98.0%(HPLC)(T)
Reference databases: ECHA

Full identifiers (IUPAC, SMILES, InChIKey)

IUPAC: 2-pyridin-2-yl-1H-benzimidazole
SMILES: C1=CC=C2C(=C1)NC(=N2)C3=CC=CC=N3
InChIKey: YNFBMDWHEHETJW-UHFFFAOYSA-N

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2-(2-Pyridyl)benzimidazole from TCI (product code P1599) is a heterocyclic compound that joins a benzimidazole ring and a pyridine ring in one molecular framework. Its two nitrogen atoms sit in the right positions to bind a metal ion in a bidentate fashion. For this reason the compound is best known as a ligand in coordination chemistry. It is also used as a heterocyclic building block for making more complex molecules in medicinal chemistry and functional materials research.

The main appeal of this compound is its N,N-chelating ability. This is similar to bipyridine ligands, but the benzimidazole ring adds an N-H group that can be deprotonated or alkylated. That flexibility lets researchers tune the electronic and steric properties of the metal complexes they make. The conjugated aromatic framework also gives the molecule useful optical properties, so its metal complexes are often studied for luminescence, photochemistry, and catalysis. The rigid structure also helps the complexes it forms stay stable.

In Indonesian laboratories, this compound suits research groups in inorganic chemistry, coordination chemistry, and materials science at universities that are developing new metal complexes. Graduate students and lecturers working on luminescent materials, photoactive compounds, or homogeneous catalysts can use it as a dependable starting ligand. Synthetic chemistry groups can also use it as a heterocyclic scaffold in multistep synthesis. Having a consistent, well-characterized reagent from an established brand like TCI helps research teams get reproducible results across experiments.

Related TCI products

Coordination chemistry ligand synthesis: its bidentate N,N-chelating site binds metal ions much like bipyridine, making it a practical ligand for preparing and studying new transition-metal complexes.
Luminescent material research: its conjugated aromatic framework gives metal complexes useful optical properties, which makes it a good candidate for studying emissive and light-responsive compounds.
Photochemistry studies: complexes built from this ligand are often studied for photochemical behaviour, so it suits research groups that look at light absorption and excited-state processes.
Catalysis development: researchers can deprotonate or alkylate the benzimidazole N-H group to tune the electronic and steric environment around a metal centre and adjust catalytic performance.
Heterocyclic building block for synthesis: its combined benzimidazole and pyridine framework is a useful starting point for building more complex molecules in medicinal chemistry and functional materials research.

Brand	TCI (product code P1599)
CAS number	1137-68-4
Molecular formula	—
Purity	—
Category	Chemistry > Building Blocks > Heterocyclic Building Blocks
Pack sizes	available in standard TCI pack sizes; please contact AMI Scientific for current options
Physical form	solid; refer to the product label and certificate of analysis for details
Storage	keep tightly closed in a cool, dry place, following the manufacturer's recommendations

Store 2-(2-Pyridyl)benzimidazole in its original, tightly sealed container in a cool, dry, well-ventilated area, away from direct sunlight, moisture, and strong oxidizing agents. If you transfer the material to another container, use a clean, dry glass or chemically compatible bottle with a secure cap, and label it clearly. Handle the compound in a fume hood or well-ventilated area. Wear standard personal protective equipment, including a lab coat, safety glasses, and nitrile gloves. Avoid creating or breathing in dust, and avoid contact with skin and eyes. Always check the Safety Data Sheet (SDS) supplied by the manufacturer for specific hazard information, first-aid measures, and disposal requirements before use.

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