Description

4-Nitrobenzenediazonium is a versatile and highly reactive diazonium salt, a critical intermediate in organic synthesis. Its primary value lies in its ability to act as an electrophile for the introduction of the 4-nitrophenyl group into various molecular frameworks via coupling reactions. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and dye industries, where it is used to create complex aromatic structures, azo dyes, and functional materials.

Application

• Azo Dye Synthesis: A key precursor for manufacturing a wide range of yellow, orange, and red azo dyes and pigments used in textiles, inks, and plastics.
• Pharmaceutical Intermediates: Employed in the synthesis of active pharmaceutical ingredients (APIs) and complex organic molecules through Sandmeyer and other diazonium coupling reactions.
• Agrochemical Production: Used to create herbicides, fungicides, and insecticides by introducing the nitrophenyl moiety into target molecules.
• Polymer Modification: Acts as a functionalization agent to graft specific aromatic groups onto polymer chains, altering material properties.
• Research & Development: A valuable reagent in academic and industrial R&D labs for exploring new synthetic pathways and creating novel chemical entities.
• Surface Functionalization: Can be used to modify material surfaces (e.g., glass, metals) for improved adhesion or specific chemical functionality.

Basic Information

Product Name	4-Nitrobenzenediazonium
CAS No.	14368-49-1
Molecular Formula	C6H4N3O2+ X- (Commonly as Tetrafluoroborate Salt: C6H4BF4N3O2)
Molecular Weight	151.11 g/mol (Cation); 236.92 g/mol (Tetrafluoroborate Salt)
Synonyms	p-Nitrobenzenediazonium Salt; Diazonium, 4-nitrobenzene-; 4-Nitrobenzenediazonium Ion; 4-Nitrophenyldiazonium; p-Nitrophenyldiazonium; 1-Diazo-4-nitrobenzene; Benzenediazonium, 4-nitro-
EINECS	Contact for details

Quality Control

Our 4-Nitrobenzenediazonium is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity, consistency, and compliance with relevant industry standards. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and 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 temperatures between 2°C and 8°C (refrigerated) to maximize stability. Due to its light-sensitive and easily oxidized nature, this material must be handled under an inert atmosphere (e.g., nitrogen or argon) when opened and used promptly to prevent decomposition. Keep away from heat, sparks, open flames, and incompatible materials.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Purity (NMR)	Conforms
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.