Description

4-Hydroxy-3-Nitrobenzonitrile is a versatile aromatic nitrile derivative characterized by its distinct nitro and hydroxyl functional groups. This compound serves as a critical high-purity intermediate in the synthesis of complex organic molecules, particularly within the pharmaceutical and agrochemical sectors. It is essential for research and development chemists, process engineers, and manufacturers seeking a reliable building block for creating active pharmaceutical ingredients (APIs), dyes, and advanced materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of various drug candidates and active pharmaceutical ingredients (APIs), particularly those with complex aromatic backbones.
• Agrochemical Synthesis: Used in the research and production of herbicides, pesticides, and fungicides, leveraging its reactive nitro and cyano groups.
• Dye and Pigment Manufacturing: Serves as a building block for azo dyes and other high-performance colorants due to its chromophoric structure.
• Organic Synthesis & Research: A valuable reagent in academic and industrial R&D for constructing heterocyclic compounds and exploring novel chemical reactions.
• Material Science: Potential monomer or modifier in the development of specialty polymers and advanced organic electronic materials.

Basic Information

Product Name	4-Hydroxy-3-Nitrobenzonitrile
CAS No.	3272-08-0
Molecular Formula	C7H4N2O3
Molecular Weight	164.12 g/mol
Synonyms	3-Nitro-4-hydroxybenzonitrile; 4-Cyano-2-nitrophenol; 2-Nitro-4-cyanophenol; Benzonitrile, 4-hydroxy-3-nitro-; 4-Hydroxy-3-nitrobenzenecarbonitrile; NSC 403697; 3-Nitro-4-cyanophenol
EINECS	221-902-9

Quality Control

Our 4-Hydroxy-3-Nitrobenzonitrile is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation (IR, NMR), to ensure it meets exacting standards for use in sensitive synthetic applications. A detailed Certificate of Analysis (COA) is provided with each shipment, and we support compliance with global regulatory frameworks.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents and strong bases.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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