Description

4-Chlorophenylhydrazine is a versatile aromatic hydrazine derivative that serves as a critical building block in advanced organic synthesis. Its primary value lies in its bifunctional reactivity, featuring both a nucleophilic hydrazine group and an aromatic chloro substituent, enabling the construction of complex heterocyclic frameworks. This intermediate is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and dyestuff industries, where it is used to develop active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of various heterocyclic compounds, including indoles, pyrazoles, and triazoles, which are core structures in many active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators, leveraging its ability to form nitrogen-containing bioactive molecules.
• Dyestuff and Pigment Manufacturing: Serves as a coupling agent and intermediate in the synthesis of azo dyes and organic pigments, contributing to color strength and stability.
• Chemical Research & Development: A valuable reagent in academic and industrial R&D for exploring new synthetic pathways and creating novel chemical entities.
• Polymer Chemistry: Can be utilized as a monomer or cross-linking agent in the production of specialty polymers and resins.
• Analytical Chemistry: Employed as a derivatization agent for the detection and quantification of carbonyl compounds (aldehydes and ketones) via hydrazone formation.

Basic Information

Product Name	4-Chlorophenylhydrazine
CAS No.	1073-69-4
Molecular Formula	C6H7ClN2
Molecular Weight	142.59 g/mol
Synonyms	(4-Chlorophenyl)hydrazine; 1-(4-Chlorophenyl)hydrazine; p-Chlorophenylhydrazine; 4-Chloro-phenylhydrazine; Hydrazine, (4-chlorophenyl)-; N-(4-Chlorophenyl)hydrazine; 4-Cl-PhNHNH2; NSC 404087
EINECS	214-024-8

Quality Control

Our 4-Chlorophenylhydrazine is produced under stringent quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including chromatographic purity assays and identity confirmation. A Certificate of Analysis (COA) detailing all test results is provided with every shipment. We adhere to relevant industry standards, and our quality commitment supports applications requiring GMP or research-grade materials.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). Due to its sensitivity to oxidation, it is recommended to store under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation. Keep away from heat, sparks, open flames, and incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Light yellow to brown crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	90°C - 94°C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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