Description

p-Nitrophenylhydrazine Sulfate is a specialized organic salt derivative of phenylhydrazine, widely utilized as a key analytical reagent and synthetic intermediate. 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 quality control laboratories in the pharmaceutical, agrochemical, and fine chemical industries, where precise analytical chemistry is critical.

Application

• Analytical Chemistry Reagent: Used for the derivatization and spectrophotometric or chromatographic (HPLC) detection of carbonyl compounds like aldehydes and ketones.
• Pharmaceutical Intermediate: Serves as a building block in the synthesis of more complex heterocyclic compounds and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Employed in the research and development of pesticides and herbicides, where hydrazine derivatives are common precursors.
• Dye and Pigment Manufacturing: Acts as an intermediate in the production of azo dyes and other colorants.
• Research & Development: A valuable tool in academic and industrial R&D for organic synthesis and method development.
• Quality Control Testing: Applied in QC labs to test for residual aldehydes or ketones in solvents, raw materials, and finished products.

Basic Information

Product Name	p-Nitrophenylhydrazine Sulfate
CAS No.	58332-97-1
Molecular Formula	C6H9N3O6S
Molecular Weight	275.22 g/mol
Synonyms	4-Nitrophenylhydrazine Sulfate; 4-Nitrophenylhydrazinium Sulfate; p-Nitrophenylhydrazine Sulphate; (4-Nitrophenyl)hydrazine Sulfate; 1-(4-Nitrophenyl)hydrazinium Sulfate; PNPH Sulfate; Para-Nitrophenylhydrazine Sulfate
EINECS	Contact for details

Quality Control

Our p-Nitrophenylhydrazine Sulfate is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation (IR), to ensure it meets high-purity standards suitable for research and industrial applications. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and light-sensitive; ensure containers are kept sealed to minimize exposure to air and humidity.

Specification

Item	Specification
Appearance	Yellow to orange 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
Residue on Ignition	≤ 0.1%

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