Description

2-Nitrophenylhydrazine Hydrochloride is a versatile aromatic hydrazine derivative used as a key synthetic intermediate and analytical reagent. Its primary value lies in its reactivity as a carbonyl-trapping agent, enabling the derivatization, identification, and quantification of aldehydes and ketones in complex matrices. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and analytical chemistry sectors, where precise chemical synthesis and sensitive detection methods are required.

Application

• Analytical Chemistry: As a derivatization reagent for the HPLC and GC analysis of carbonyl compounds (aldehydes, ketones) to enhance detection sensitivity and selectivity.
• Pharmaceutical Intermediates: Serves as a crucial building block in the synthesis of more complex heterocyclic compounds, including indoles and pyrazoles, with potential biological activity.
• Agrochemical Synthesis: Used in the research and development of novel active ingredients for crop protection products.
• Dye and Pigment Manufacturing: Acts as a precursor in the synthesis of azo dyes and other colorants.
• Material Science Research: Employed in the development of polymers and functional materials requiring specific hydrazine-based linkages.
• Forensic and Environmental Analysis: For the detection and measurement of trace-level carbonyl pollutants or metabolites.

Basic Information

Product Name	2-Nitrophenylhydrazine Hydrochloride
CAS No.	56413-75-3
Molecular Formula	C6H7N3O2 • HCl
Molecular Weight	189.60 g/mol (Free base: 153.14 g/mol)
Synonyms	(2-Nitrophenyl)hydrazine hydrochloride; o-Nitrophenylhydrazine hydrochloride; 1-(2-Nitrophenyl)hydrazine hydrochloride; 2-NPH • HCl; Hydrazine, (2-nitrophenyl)-, hydrochloride; 2-Nitrobenzenephenylhydrazine hydrochloride
EINECS	Contact for details

Quality Control

Our 2-Nitrophenylhydrazine Hydrochloride is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Each lot is tested against comprehensive specifications, including identity confirmation, assay, and impurity profiling. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your quality assurance and regulatory compliance needs.

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). This product is hygroscopic (moisture-sensitive) and should be handled under dry conditions to prevent decomposition. For long-term storage, consider using desiccants.

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%
Residue on Ignition	≤ 0.1%

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