Description

2,2′-Bipyridine-4,4′-dicarboxylic acid (CAS No. 6813-38-3) is a high-purity, heterocyclic organic compound with the molecular formula C₁₂H₈N₂O₄. This bifunctional bipyridine derivative features carboxylic acid groups at the 4 and 4′ positions, making it an excellent chelating ligand for transition metal coordination chemistry. Its rigid planar structure and electron-withdrawing carboxyl groups enhance its utility in catalysis, supramolecular assemblies, and metallo-supramolecular polymers. Ideal for researchers in materials science, catalysis, and photochemistry, this compound is supplied as a fine powder with ≥95% purity (HPLC). Store in a cool, dry place away from light to maintain stability.

Properties

• CAS Number: 6813-38-3
• Complexity: 302
• IUPAC Name: 2-(4-carboxy-2-pyridyl)pyridine-4-carboxylic acid
• InChI: InChI=1S/C12H8N2O4/c15-11(16)7-1-3-13-9(5-7)10-6-8(12(17)18)2-4-14-10/h1-6H,(H,15,16)(H,17,18)
• InChI Key: FXPLCAKVOYHAJA-UHFFFAOYSA-N
• Exact Mass: 244.04840674
• Molecular Formula: C12H8N2O4
• Molecular Weight: 244.20
• SMILES: C1=CN=C(C=C1C(=O)O)C2=NC=CC(=C2)C(=O)O
• Topological: 100
• Monoisotopic Mass: 244.04840674
• Synonyms: 6813-38-3, 2,2′-Bipyridine-4,4′-dicarboxylic acid, [2,2′-Bipyridine]-4,4′-dicarboxylic acid, 2-(4-carboxypyridin-2-yl)pyridine-4-carboxylic acid, 4,4′-Dicarboxy-2,2′-bipyridine, MFCD00015430, 2,2′-Bipyridyl-4,4′-dicarboxylic acid, 2,2′-Biisonicotinic Acid, 2,2′-Dipyridyl-4,4′-dicarboxylic acid, 2-(4-carboxy-2-pyridyl)pyridine-4-carboxylic acid, Maybridge3_003449, Oprea1_302046, SCHEMBL70700, YSWG069, AE-641/13516021, CHEMBL445558, FXPLCAKVOYHAJA-UHFFFAOYSA-N, HMS1440M17, BBL103095, CCG-41820, SBB037922, STL556905, AKOS015892755, CS-W002099, FB03448, HY-W002099, IDI1_014836, 2,2?-Bipyridine-4,4?-dicarboxylic acid, 2,2-dicarboxylic acid, AC-24660, AS-18500, ST085100, SY009947, 2,2′-Bipyridine-4,4′-dicarboxylic acid, B1876, EN300-399251, 2,2′-Bipyridine-4,4′-dicarboxylic acid, 98%, [2,?2′-?Bipyridine]?-?4,?4′-?dicarboxylic acid, SR-01000631869-1, BRD-K55606676-001-01-4, 2,2′-Bipyridine-4,4′-dicarboxylic acid, technical grade, 90%, 2,2 inverted exclamation mark -Bipyridine-4,4 inverted exclamation mark -dicarboxylic Acid

Application

2,2′-Bipyridine-4,4′-dicarboxylic acid is widely used as a versatile building block in coordination chemistry for synthesizing metal-organic frameworks (MOFs) and molecular catalysts. Its carboxylate groups facilitate strong binding to metal ions, enabling applications in photocatalytic water splitting and CO₂ reduction. The compound also serves as a precursor for dye-sensitized solar cells (DSSCs) due to its electron-accepting properties and ability to anchor to metal oxide surfaces.

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