Description

4-Nitrophenylhydrazine Hydrochloride is a versatile aromatic hydrazine derivative, primarily valued as a key analytical reagent and synthetic building block. Its core function lies in its ability to form stable hydrazone derivatives with carbonyl compounds, making it indispensable for qualitative and quantitative analysis. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and fine chemical industries, where precise chemical synthesis and analysis are critical.

Application

• Carbonyl Compound Derivatization: A fundamental reagent for the detection, identification, and quantification of aldehydes and ketones via hydrazone formation in analytical chemistry (HPLC, GC).
• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of various heterocyclic compounds and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of certain herbicides, fungicides, and plant growth regulators.
• Dye and Pigment Manufacturing: Acts as an intermediate in the synthesis of azo dyes and other complex colorants.
• Research & Development: Employed in academic and industrial R&D labs for method development, organic synthesis, and biochemical studies.
• Polymer Chemistry: Can be utilized as a cross-linking agent or monomer modifier in specialty polymer formulations.

Basic Information

Product Name	4-Nitrophenylhydrazine Hydrochloride
CAS No.	636-99-7
Molecular Formula	C6H7N3O2·HCl
Molecular Weight	189.60 g/mol
Synonyms	p-Nitrophenylhydrazine Hydrochloride; (4-Nitrophenyl)hydrazine Hydrochloride; 1-(4-Nitrophenyl)hydrazine Hydrochloride; 4-NPH·HCl; Hydrazine, (4-nitrophenyl)-, hydrochloride; 4-Nitrobenzenephenylhydrazine Hydrochloride; 4-NPH HCl
EINECS	211-281-8

Quality Control

Our 4-Nitrophenylhydrazine Hydrochloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for research and industrial applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is 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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	215 - 220 °C (dec.)
Loss on Drying	≤ 1.0 %
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.1 %

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