Description

3-Hydroxy-4-Nitrobenzoic Acid is a versatile nitro-substituted benzoic acid derivative that serves as a critical building block in advanced organic synthesis. Its unique structure, featuring both a phenolic hydroxyl and a nitro group on the aromatic ring, makes it a valuable precursor for synthesizing dyes, pigments, and pharmaceutical intermediates. This high-purity compound is essential for research and development chemists, as well as manufacturers in the agrochemical and fine chemical sectors seeking reliable, high-quality raw materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs) and complex organic molecules.
• Agrochemical Synthesis: Used in the manufacture of herbicides, pesticides, and plant growth regulators.
• Dye and Pigment Manufacturing: Serves as a starting material for azo dyes and other colorants due to its nitro and hydroxyl functional groups.
• Organic Synthesis & Research: A valuable building block for coupling reactions, nitration studies, and the preparation of specialty chemicals.
• Liquid Crystal & Polymer Chemistry: Can be utilized in the synthesis of monomers for advanced polymeric materials and liquid crystal displays.
• Chemical Research Reagent: Employed in academic and industrial laboratories for method development and analytical studies.

Basic Information

Product Name	3-Hydroxy-4-Nitrobenzoic Acid
CAS No.	619-14-7
Molecular Formula	C7H5NO5
Molecular Weight	183.12 g/mol
Synonyms	4-Nitro-3-hydroxybenzoic acid; 3-Hydroxy-4-nitrobenzoic acid; Benzoic acid, 3-hydroxy-4-nitro-; 4-Nitro-3-hydroxybenzoic acid; 3-Hydroxy-4-nitro-benzoic acid; 3-Hydroxy-4-nitrobenzoic acid; 4-Nitro-3-hydroxybenzoic acid; 3-Hydroxy-4-nitrobenzoic acid (principal synonym)
EINECS	210-580-7

Quality Control

Our 3-Hydroxy-4-Nitrobenzoic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for synthetic applications. Certificates of Analysis (COA) detailing purity, assay, and impurity profiles are provided with every shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This compound is light-sensitive and should be stored away from direct light. Due to its potential for oxidation, it is recommended to handle under an inert atmosphere for long-term storage of bulk quantities. Keep away from strong oxidizing agents, strong bases, and sources of ignition.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	220 - 225 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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