Description

3,4-Diiodopyridine is a high-purity, halogenated pyridine derivative serving as a critical building block in advanced organic synthesis. Its value lies in its dual iodine substituents, which provide versatile reactivity for cross-coupling reactions and functional group transformations. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and material science industries developing novel active ingredients and specialty chemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex drug molecules, particularly those targeting central nervous system (CNS) disorders and infectious diseases.
• Agrochemical Synthesis: Used in the development of new-generation herbicides, fungicides, and insecticides requiring specific halogenated heterocyclic structures.
• Material Science Research: Serves as a monomer or functionalization agent in the creation of organic electronic materials, such as OLEDs and conductive polymers.
• Ligand and Catalyst Development: Employed to synthesize novel nitrogen-containing ligands for transition metal catalysis used in fine chemical production.
• Chemical Biology Probes: Utilized in the design and synthesis of molecular probes and tags for studying biological processes and protein interactions.
• Cross-Coupling Reactions: Acts as a versatile substrate in Suzuki, Stille, and Negishi coupling reactions to form biaryl and other complex structures.

Basic Information

Product Name	3,4-Diiodopyridine
CAS No.	83674-72-0
Molecular Formula	C5H3I2N
Molecular Weight	330.89 g/mol
Synonyms	3,4-Diiodopyridine; Pyridine, 3,4-diiodo-; 3,4-Diiodo-pyridine; 3,4-Bis(iodo)pyridine; 3,4-DIIODOPYRIDINE; 83674-72-0; 3,4-Diiodopyridine (ACI)
EINECS	Contact for details

Quality Control

Our 3,4-Diiodopyridine is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, NMR and IR for structural confirmation, and residual solvent analysis. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to ensure traceability and compliance with your research or production requirements.

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). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, handling should be minimized under direct light.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Heavy Metals	< 10 ppm
Residual Solvents (GC)	Complies with ICH guidelines

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