Description

4-Chloro-2-Fluorophenylhydrazine Hydrochloride is a high-purity, versatile arylhydrazine derivative used as a critical synthetic intermediate in advanced chemical manufacturing. Its value lies in providing a reactive hydrazine moiety attached to a halogenated aromatic ring, enabling the construction of complex heterocyclic scaffolds. This compound is essential for researchers and production chemists in the pharmaceutical, agrochemical, and specialty chemical industries developing new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of various heterocyclic compounds, including indoles, pyrazoles, and triazoles, which are core structures in many drug candidates.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and insecticides, where the halogenated phenylhydrazine structure contributes to biological activity.
• Dye and Pigment Manufacturing: Serves as a precursor for azo coupling reactions, leading to the creation of specialized dyes and colorants.
• Research & Development: A valuable reagent in medicinal chemistry and material science research for exploring new chemical entities and reaction pathways.
• Chemical Synthesis: Employed in organic synthesis for introducing functionalized hydrazine groups into target molecules.

Basic Information

Product Name	4-Chloro-2-Fluorophenylhydrazine Hydrochloride
CAS No.	64172-78-7
Molecular Formula	C6H5ClF N2 • HCl
Molecular Weight	209.04 g/mol (Free base: 172.57 g/mol)
Synonyms	(4-Chloro-2-fluorophenyl)hydrazine hydrochloride; 1-(4-Chloro-2-fluorophenyl)hydrazine hydrochloride; 4-Chloro-2-fluoro-phenylhydrazine HCl; 2-Fluoro-4-chlorophenylhydrazine hydrochloride; 4-Chloro-2-fluorophenylhydrazine HCl salt; Hydrazine, (4-chloro-2-fluorophenyl)-, hydrochloride (1:1)
EINECS	Contact for details

Quality Control

Our 4-Chloro-2-Fluorophenylhydrazine Hydrochloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets the high standards required for synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee supply reliability and batch-to-batch consistency for your critical processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and light-sensitive; therefore, containers must be kept tightly sealed and opened under a dry atmosphere to minimize degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Assay (Titration)	97.0% - 103.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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