Description

(2,2′-Bipyridine)-5,5′-dicarboxylic acid (CAS No. 1802-30-8) is a high-purity bipyridine derivative with a molecular formula of C₁₂H₈N₂O₄. This compound features two carboxylic acid functional groups at the 5 and 5′ positions of the bipyridine scaffold, making it a versatile building block for coordination chemistry, metal-organic frameworks (MOFs), and supramolecular assemblies. With a molecular weight of 244.21 g/mol, it is widely utilized in catalysis, sensor development, and as a chelating ligand for transition metals. Our product is rigorously tested to ensure ≥97% purity (HPLC) and is supplied as a fine white to off-white powder, ideal for research and industrial applications. Store in a cool, dry place, protected from light and moisture to maintain stability.

Properties

• CAS Number: 1802-30-8
• Complexity: 302
• IUPAC Name: 6-(5-carboxy-2-pyridyl)pyridine-3-carboxylic acid
• InChI: InChI=1S/C12H8N2O4/c15-11(16)7-1-3-9(13-5-7)10-4-2-8(6-14-10)12(17)18/h1-6H,(H,15,16)(H,17,18)
• InChI Key: KVQMUHHSWICEIH-UHFFFAOYSA-N
• Exact Mass: 244.04840674
• Molecular Formula: C12H8N2O4
• Molecular Weight: 244.20
• SMILES: C1=CC(=NC=C1C(=O)O)C2=NC=C(C=C2)C(=O)O
• Topological: 100
• Monoisotopic Mass: 244.04840674
• Synonyms: 1802-30-8, 2,2′-Bipyridine-5,5′-dicarboxylic acid, [2,2′-Bipyridine]-5,5′-dicarboxylic acid, (2,2′-Bipyridine)-5,5′-dicarboxylic acid, 2,2′-Bipy-5,5′-dicooh, DTXSID50170929, DTXCID5093420, 626-338-4, 6-(5-carboxypyridin-2-yl)pyridine-3-carboxylic acid, 6,6′-binicotinic acid, 5,5′-Dicarboxy-2,2′-bipyridine, MFCD01318320, CHEMBL332005, 2,2′-Bipyridine-5,5′-dicarboxylic Acid (6,6′-Dinicotinic Acid), Nicotinic Acid Imp. B (EP); 6,6′-Dinicotinic Acid; 2,2′-Bipyridine-5,5′-dicarboxylic Acid; Nicotinic Acid Impurity B, 6-(5-carboxy-2-pyridyl)pyridine-3-carboxylic acid, 6,6′-Dinicotinic Acid, SCHEMBL68560, YSWG263, BCP13508, BBL102831, BDBM50042876, STL556639, AKOS015854266, AC-8993, CS-W004580, FB10301, 2,2′-Bipyridine-5,5′-dicarboxylicacid, 2,2-dicarboxylic acid, DS-12022, PD086195, SY022001, B3502, [2,2”]Bipyridinyl-5,5”-dicarboxylic acid, 2,2′-Bipyridine-5,5′-dicarboxylic acid, 97%, 6,6′-Binicotinic acid;5,5′-Dicarboxy-2,2′-bipyridine, 6,6′-Dinicotinic acid, United States Pharmacopeia (USP) Reference Standard, 2,2 inverted exclamation mark -Bipyridine-5,5 inverted exclamation mark -dicarboxylic Acid, 2,2 inverted exclamation marka-Bipyridine-5,5 inverted exclamation marka-dicarboxylic acid

(2,2′-Bipyridine)-5,5′-dicarboxylic acid is primarily used as a bifunctional ligand in the synthesis of metal-organic frameworks (MOFs) and coordination polymers due to its strong chelating properties. It serves as a key intermediate in photocatalytic systems and dye-sensitized solar cells (DSSCs) for energy conversion applications. Researchers also employ it in the development of electrochemical sensors and as a precursor for functionalized nanomaterials.

Safety and Hazards

GHS Hazard Statements

• H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H335 (97.7%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

• P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

Hazard Classes and Categories

• Skin Irrit. 2 (100%)
• Eye Irrit. 2 (100%)
• STOT SE 3 (97.7%)

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