Description

4-Hydrazinylphenol is a versatile aromatic hydrazine derivative with significant utility as a key synthetic intermediate. Its bifunctional nature, featuring both a phenolic hydroxyl and a reactive hydrazine group, makes it a valuable building block for constructing complex heterocyclic and azo compounds. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries, where it is used to develop active ingredients, dyes, and advanced materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of various active pharmaceutical ingredients (APIs), particularly those containing hydrazine or azo linkages.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators that require a phenolic hydrazine moiety.
• Dye and Pigment Manufacturing: Serves as a coupling agent for the production of azo dyes and pigments, contributing to color strength and stability.
• Polymer Chemistry: Acts as a monomer or cross-linking agent in the synthesis of specialty polymers, including polyurethanes and epoxy hardeners.
• Chemical Research & Development: Employed in academic and industrial R&D for exploring new synthetic pathways and creating novel chemical entities.
• Corrosion Inhibitor Formulation: A component in formulations designed to protect metals, particularly in industrial cooling and boiler systems.

Basic Information

Product Name	4-Hydrazinylphenol
CAS No.	23197-23-1
Molecular Formula	C6H8N2O
Molecular Weight	124.14 g/mol
Synonyms	4-Hydroxyphenylhydrazine; p-Hydrazinylphenol; p-Hydroxyphenylhydrazine; 1-(4-Hydroxyphenyl)hydrazine; 4-Hydrazinophenol; Phenol, 4-hydrazinyl-; 4-Hydroxybenzenehydrazine; (4-Hydroxyphenyl)hydrazine
EINECS	245-477-5

Quality Control

Our 4-Hydrazinylphenol is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) for each lot, detailing key parameters such as assay, impurity profile, and physical characteristics. Our quality commitment aligns with cGMP principles where applicable, supporting its use in regulated applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area 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 stability. Keep away from strong oxidizing agents, acids, and bases.

Specification

Item	Specification
Appearance	White to light yellow or pink crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	125 - 130 °C
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

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