Description

2-Chloro-5-Pyridinediazonium Tetrafluoroborate is a versatile and highly reactive diazonium salt intermediate, essential for introducing the 2-chloro-5-pyridyl moiety into complex molecular architectures. Its primary value lies in enabling efficient, site-specific aryl-aryl coupling reactions, which are fundamental in constructing advanced heterocyclic compounds. This product is critically needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for synthesizing active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in kinase inhibitor and antiviral research.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and insecticides with specific pyridine-based activity.
• Material Science: Precursor for creating functionalized polymers, liquid crystals, and organic electronic materials via diazonium chemistry.
• Dye & Pigment Manufacturing: Serves as a diazo component in the synthesis of azo dyes and high-performance pigments.
• Cross-Coupling Reactions: Essential reagent in Suzuki, Heck, and other palladium-catalyzed cross-coupling reactions to form biaryl structures.
• Research & Development: A valuable tool for academic and industrial research in organic synthesis and methodology development.

Basic Information

Product Name	2-Chloro-5-Pyridinediazonium Tetrafluoroborate
CAS No.	127773-46-0
Molecular Formula	C5H3BClF4N3
Molecular Weight	227.35 g/mol
Synonyms	2-Chloro-5-diazoniopyridine Tetrafluoroborate; 5-Chloro-2-pyridinediazonium Tetrafluoroborate; (2-Chloro-5-pyridinyl)diazonium Tetrafluoroborate; 2-Chloro-5-pyridyldiazonium Tetrafluoroborate; Diazonium Salt of 2-Chloro-5-aminopyridine; 2-Chloro-5-aminopyridine Diazonium Tetrafluoroborate; 2-Chloro-5-pyridinediazonium BF4 Salt
EINECS	Contact for details

Quality Control

Our 2-Chloro-5-Pyridinediazonium Tetrafluoroborate is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high reactivity. Each lot undergoes comprehensive analytical testing, including HPLC for purity and NMR for structural confirmation. We provide a detailed Certificate of Analysis (COA) with every shipment, documenting key parameters such as assay, moisture content, and impurity profile to support your quality and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic and light-sensitive nature, the container must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) when not in use to prevent decomposition and moisture absorption. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 2.0%
Solubility	Soluble in polar aprotic solvents (e.g., DMF, DMSO, Acetonitrile)

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