Description

2,2'-Biquinoline is a high-purity organic compound and a versatile heterocyclic ligand, primarily recognized for its strong chelating properties with specific metal ions. This compound is critical for analytical chemistry and materials science, where precise molecular interactions are required. It is essential for research laboratories, pharmaceutical developers, and industrial chemists involved in catalysis, chemical synthesis, and metal ion detection.

Application

• Analytical Reagent: Widely used as a specific colorimetric reagent for the detection and quantification of cuprous ions (Cu⁺) in various matrices.
• Catalysis & Ligand Chemistry: Serves as a key ligand in the synthesis of coordination complexes and catalysts for organic transformations.
• Pharmaceutical Research: Employed as an intermediate or a research tool in the development of active pharmaceutical ingredients (APIs) and diagnostic agents.
• Material Science: Used in the development of functional materials, including metal-organic frameworks (MOFs) and electro-optical devices.
• Quality Control: Applied in industrial processes for monitoring trace metal impurities, ensuring product purity in electronics and fine chemicals.

Basic Information

Product Name	2,2'-Biquinoline
CAS No.	119-91-5
Molecular Formula	C₁₈H₁₂N₂
Molecular Weight	256.30 g/mol
Synonyms	2,2'-Biquinolyl; 2,2'-Diquinoline; Cuproine; 2,2'-Bipyridine, 3,3'-bibenzo; 2,2'-Biquinoline-4,4'-dicarboxylic acid (precursor); α,α'-Diquinoline; BQ
EINECS	204-357-3

Quality Control

Our 2,2'-Biquinoline is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and industrial applications. A Certificate of Analysis (COA) detailing all specifications is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	194 - 198 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.