Description

2-Chloropyridine-3-Diazonium Tetrafluoroborate is a versatile and highly reactive diazonium salt intermediate, essential for introducing the 2-chloropyridin-3-yl moiety into complex molecular architectures. Its primary value lies in enabling efficient, site-specific coupling reactions, particularly in the synthesis of heterocyclic compounds and functional materials. This compound is critically needed by research chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors for constructing novel active ingredients and specialty chemicals.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, especially those containing functionalized pyridine cores.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and insecticides that require specific chloropyridine motifs.
• Material Science: Employed in the creation of functional polymers, liquid crystals, and organic electronic materials via diazonium coupling chemistry.
• Dye and Pigment Manufacturing: Serves as a precursor for azo dyes and pigments, where it contributes to color fastness and specific chromophoric properties.
• Cross-Coupling Reactions: A crucial reagent in Sandmeyer and related reactions for the introduction of chlorine or other functional groups onto aromatic systems.
• Bioconjugation and Labeling: Useful in biochemical research for tagging biomolecules under mild conditions.

Basic Information

Product Name	2-Chloropyridine-3-Diazonium Tetrafluoroborate
CAS No.	70682-07-4
Molecular Formula	C5H3BClF4N3
Molecular Weight	227.35 g/mol
Synonyms	3-Diazo-2-chloropyridin-1-ium Tetrafluoroborate; 2-Chloro-3-diazoniopyridine Tetrafluoroborate; 2-Chloropyridine-3-diazonium, Tetrafluoroborate(1-); 3-Diazo-2-chloropyridinium Tetrafluoroborate; Diazonium Salt of 2-Chloropyridine-3-amine; 2-Chloro-3-pyridinediazonium Tetrafluoroborate
EINECS	Contact for details

Quality Control

Every batch of 2-Chloropyridine-3-Diazonium Tetrafluoroborate is manufactured and tested under strict quality management protocols to ensure consistency and reliability for your synthetic processes. Our products undergo rigorous quality testing, including NMR, HPLC, and elemental analysis, to ensure compliance with industry standards. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance and regulatory documentation.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at temperatures between 2°C and 8°C (refrigerated). Due to its nature as a diazonium salt and strong oxidizing agent, it must be stored separately from reducing agents, combustible materials, and strong bases. Keep the container tightly sealed under an inert atmosphere if possible to maximize stability.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%

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