Description

4-Fluorophenylhydrazine Hydrochloride is a versatile aromatic hydrazine derivative that serves as a critical building block in advanced organic synthesis. Its primary value lies in its role as a precursor for synthesizing heterocyclic compounds, particularly pyrazoles and indoles, which are core structures in many active pharmaceutical ingredients. This high-purity intermediate is essential for research and development chemists and process engineers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop new active compounds.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of fluorinated pyrazole and indole derivatives for drug discovery and development.
• Agrochemical Synthesis: Used in creating novel herbicides, fungicides, and insecticides that incorporate a fluorinated phenylhydrazine moiety.
• Dyestuff and Pigment Manufacturing: Serves as a coupling agent in the production of azo dyes and high-performance pigments.
• Chemical Research & Development: A valuable reagent for method development and exploring new reaction pathways in academic and industrial labs.
• Liquid Crystal and OLED Material Synthesis: Used in constructing fluorinated heterocyclic components for electronic display materials.

Basic Information

Product Name	4-Fluorophenylhydrazine Hydrochloride
CAS No.	40594-35-2
Molecular Formula	C6H8ClFN2
Molecular Weight	162.59 g/mol
Synonyms	(4-Fluorophenyl)hydrazine hydrochloride; 1-(4-Fluorophenyl)hydrazine hydrochloride; p-Fluorophenylhydrazine hydrochloride; 4-Fluoro-phenyl-hydrazine hydrochloride; 4-Fluorophenyl hydrazine HCl; Hydrazine, (4-fluorophenyl)-, hydrochloride (1:1); 4-FPH HCl
EINECS	Contact for details

Quality Control

Our 4-Fluorophenylhydrazine Hydrochloride is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for synthetic applications. Certificates of Analysis (COA) detailing purity, assay, and impurity profiles are provided with every shipment to guarantee traceability and batch-to-batch consistency.

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 compound is hygroscopic (moisture-sensitive) and light-sensitive; containers must be kept tightly sealed to prevent degradation from moisture and light exposure.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm

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