Description

4-Chloro-2-Nitrobenzenediazonium is a highly reactive diazonium salt intermediate, essential for introducing the diazonium functional group into complex molecular architectures. Its primary commercial value lies in its role as a versatile building block for synthesizing azo dyes, pigments, and other fine chemicals through diazo-coupling reactions. This compound is particularly critical for manufacturers in the dye and pigment, pharmaceutical intermediate, and agrochemical sectors who require precise and reliable coupling agents.

Application

• Azo Dye and Pigment Synthesis: Serves as a key diazo component for producing vibrant and stable yellow, orange, and red azo colorants.
• Pharmaceutical Intermediate: Used in the synthesis of complex drug molecules where the diazonium group facilitates specific carbon-carbon or carbon-heteroatom bond formation.
• Agrochemical Production: Employed in the manufacture of herbicides, pesticides, and fungicides that contain azo or aryl-chloro linkages.
• Functional Polymer Modification: Acts as a grafting agent to introduce aromatic nitro and chloro functional groups onto polymer backbones.
• Research & Development: A valuable reagent in organic chemistry laboratories for exploring new diazonium-based coupling and substitution reactions.
• Photographic Chemicals: Can be utilized in the synthesis of certain light-sensitive compounds used in specialized imaging applications.

Basic Information

Product Name	4-Chloro-2-Nitrobenzenediazonium
CAS No.	27165-22-6
Molecular Formula	C6H3ClN3O2
Molecular Weight	184.56 g/mol
Synonyms	2-Nitro-4-chlorobenzenediazonium; 4-Chloro-2-nitrobenzenediazonium salt; Diazonium, (4-chloro-2-nitrophenyl)-; (4-Chloro-2-nitrophenyl)diazonium; 1-Chloro-4-diazo-3-nitrobenzene; 4-Chloro-2-nitroaniline diazonium salt; 2-Nitro-4-chloroaniline diazonium salt
EINECS	Contact for details

Quality Control

Our 4-Chloro-2-Nitrobenzenediazonium is produced under stringent quality management protocols. Each batch undergoes rigorous analytical testing to ensure consistency, purity, and stability. A comprehensive Certificate of Analysis (COA) is provided, detailing key parameters such as assay purity, identity confirmation, and moisture content. Our quality systems are designed to meet the exacting standards required for fine chemical and intermediate manufacturing.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place. Due to its hygroscopic and strictly light-sensitive nature, this material must be kept under an inert atmosphere (e.g., nitrogen or argon) in a desiccated environment to prevent decomposition. Recommended storage temperature is 2-8°C for long-term stability. Isolate from incompatible materials such as strong acids, bases, and reducing agents.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 2.0%
Solubility Test	Soluble in polar aprotic solvents (e.g., DMF, acetonitrile)

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