Description

Benzenediazonium is a highly reactive organic intermediate, specifically an aryl diazonium salt, with the CAS registry number 2684-02-8. Its primary value lies in its ability to serve as a versatile precursor for introducing the phenyl group into a wide range of molecules via coupling reactions, making it indispensable for synthetic chemistry. This compound is critical for manufacturers and R&D laboratories in the pharmaceutical, agrochemical, dye, and specialty chemical industries seeking to build complex aromatic structures efficiently.

Application

• Azo Dye Synthesis: As a key diazo component for coupling with phenols or aromatic amines to produce a wide variety of vibrant azo dyes and pigments.
• Pharmaceutical Intermediates: Used in Sandmeyer and related reactions to synthesize halogenated arenes, aryl nitriles, and other benzene derivatives essential for active pharmaceutical ingredient (API) manufacturing.
• Agrochemical Production: Employed in the synthesis of herbicides, fungicides, and insecticides that require specific phenyl-substituted structures.
• Polymer Modification: Acts as a grafting agent to functionalize polymer surfaces or initiate polymerization, enhancing material properties.
• Research & Development: A fundamental reagent in academic and industrial organic chemistry labs for exploring new carbon-nitrogen bond formation and aryl functionalization methodologies.
• Electrochemical Sensing: Used to modify electrode surfaces with aryl groups for developing specialized chemical sensors.

Basic Information

Item	Details
Product Name	Benzenediazonium
CAS No.	2684-02-8
Molecular Formula	C6H5N2+ X- (Commonly as tetrafluoroborate salt: C6H5N2BF4)
Molecular Weight	Varies by counterion (e.g., 191.93 g/mol for Benzenediazonium Tetrafluoroborate)
Synonyms	Diazonium Benzene; Phenyldiazonium; Benzenediazonium Salt; Phenyldiazonium Cation; Diazobenzene; Benzene, diazo-; Arenediazonium Salt; Phenyl Diazonium Ion
EINECS	Contact for details

Quality Control

Our Benzenediazonium products undergo rigorous quality testing to ensure compliance with industry standards and batch-to-batch consistency. We implement stringent analytical controls, including NMR and HPLC, to verify chemical identity and purity. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Due to its highly reactive and light-sensitive nature, this material must be stored strictly away from all light exposure in a cool, dry place. It is also easily oxidized and should be handled under an inert atmosphere when possible. Recommended storage temperature is 2-8°C for extended stability. Keep away from heat, sparks, and incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 2.0%
Related Substances (HPLC)	Total impurities ≤ 5.0%

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