Description

4-Hydroxy-2-Nitrobenzoic Acid is a versatile nitro-substituted aromatic carboxylic acid derivative, serving as a critical synthetic intermediate in advanced organic chemistry. Its unique structure, featuring both phenolic and nitro groups ortho to the carboxylic acid, makes it a valuable building block for constructing complex molecules. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries, where it is used to develop active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a nitro-substituted benzoic acid scaffold.
• Agrochemical Synthesis: Used in the research and production of herbicides, pesticides, and plant growth regulators.
• Dye and Pigment Manufacturing: Serves as a starting material for the synthesis of azo dyes and other complex colorants.
• Organic Synthesis Building Block: Employed in coupling reactions, functional group transformations, and the preparation of metal-organic complexes.
• Research and Development: Utilized in academic and industrial R&D labs for method development and exploring new chemical entities.
• Material Science: Potential monomer or modifier in the synthesis of specialty polymers and advanced materials.

Basic Information

Product Name	4-Hydroxy-2-Nitrobenzoic Acid
CAS No.	74230-08-3
Molecular Formula	C7H5NO5
Molecular Weight	183.12 g/mol
Synonyms	2-Nitro-4-hydroxybenzoic acid; 4-Hydroxy-2-nitrobenzoic acid; 2-Nitro-4-hydroxybenzoic acid; Benzoic acid, 4-hydroxy-2-nitro-; 4-Hydroxy-2-nitro-benzoic acid; 2-Nitro-4-hydroxy-benzoic acid; 4-Hydroxy-2-nitrobenzoic acid (CAS 74230-08-3)
EINECS	Contact for details

Quality Control

Our 4-Hydroxy-2-Nitrobenzoic Acid is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including identification, assay, and impurity profiling. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee compliance with your specifications and industry standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. The product is light-sensitive and should be handled accordingly.

Specification

Item	Specification
Appearance	Yellow to beige crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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