Description

4,4'-Bipyridine is a versatile organic compound and a fundamental building block in coordination chemistry and materials science. Its rigid, linear structure and dual nitrogen donor sites make it an essential ligand for constructing metal-organic frameworks (MOFs), coordination polymers, and catalytic complexes. This high-purity chemical is critical for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors who require a reliable and consistent raw material for synthesis and development.

Application

• Pharmaceutical Intermediates: Serves as a key precursor in the synthesis of bioactive molecules, including viologen derivatives and certain drug candidates.
• Coordination Chemistry & MOFs: Acts as a pillar ligand for constructing porous Metal-Organic Frameworks (MOFs) and coordination polymers with applications in gas storage, separation, and catalysis.
• Electrochromic Devices: Used in the production of viologens for smart windows, displays, and anti-glare mirrors due to its reversible redox properties.
• Catalysis: Employed as a ligand to modify and enhance the activity and selectivity of transition metal catalysts in organic synthesis.
• Chemical Research: A fundamental reagent in academic and industrial R&D for studying supramolecular chemistry, electron transfer processes, and molecular recognition.
• Agrochemical Synthesis: Utilized as an intermediate in the development of certain herbicides and plant growth regulators.
• Polymer Science: Incorporated into polymer backbones to create functional materials with specific electronic or mechanical properties.

Basic Information

Product Name	4,4'-Bipyridine
CAS No.	553-26-4
Molecular Formula	C10H8N2
Molecular Weight	156.19 g/mol
Synonyms	4,4'-Bipyridyl; γ,γ'-Bipyridine; 4,4'-Dipyridyl; p,p'-Bipyridine; 4,4'-Bipyridin; Bipyridin-4,4'-diyl; 1,1'-Bipyridine, 4,4'-diyl-; 4,4'-Bipyridinyl
EINECS	209-036-3

Quality Control

Our 4,4'-Bipyridine is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all specifications and test results to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and light-sensitive; ensure containers are sealed immediately after use to minimize exposure to air and humidity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	110 - 114 °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.