Description

4-Chloronitrobenzene CAS NO 100-00-5 is a versatile aromatic nitro compound and a key halogenated intermediate in organic synthesis. Its value lies in the strategic positioning of both an electron-withdrawing nitro group and a chlorine atom on the benzene ring, making it a crucial building block for further functionalization. This compound is essential for manufacturers in the agrochemical, pharmaceutical, and dye industries seeking to produce complex molecules efficiently.

Application

• Agrochemical Synthesis: A primary intermediate for manufacturing herbicides, fungicides, and insecticides, where it serves as a precursor to substituted anilines and other active ingredients.
• Pharmaceutical Intermediates: Used in the synthesis of various active pharmaceutical ingredients (APIs), particularly those containing chloroaniline or aminophenol moieties.
• Dye and Pigment Production: Acts as a key starting material for synthesizing azo dyes, sulfur dyes, and other complex colorants.
• Chemical Research & Development: Employed as a standard reagent in organic chemistry laboratories for nucleophilic aromatic substitution (SNAr) reactions and cross-coupling studies.
• Polymer Industry: Can be utilized as a monomer or modifier in the production of specialty polymers and resins.
• Rubber Chemicals: Serves as an intermediate in the manufacture of certain antioxidants and vulcanization accelerators.

Basic Information

Product Name	4-Chloronitrobenzene
CAS No.	100-00-5
Molecular Formula	C6H4ClNO2
Molecular Weight	157.55 g/mol
Synonyms	1-Chloro-4-nitrobenzene; p-Chloronitrobenzene; p-Nitrochlorobenzene; 4-Nitrochlorobenzene; PNCB; PCNB (in specific contexts); Para-Nitrochlorobenzene; 4-CNB
EINECS	202-809-6

Quality Control

Our 4-Chloronitrobenzene is manufactured under a stringent quality management system. Every batch undergoes comprehensive analytical testing, including chromatography (HPLC/GC) and wet chemistry methods, to ensure it meets precise purity and composition specifications. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed-upon standards. We support global supply requirements, including REACH registration.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat sources and incompatible materials such as strong reducing agents, strong bases, and metals. Recommended storage temperature is 15-25°C. Keep container tightly sealed when not in use to minimize moisture absorption and sublimation.

Specification

Item	Specification
Appearance	Light yellow to yellow crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 99.0%
Melting Point	82°C - 85°C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Total impurities ≤ 1.0%

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