Description

3,5-Dinitro-4-Hydroxybenzoic Acid is a high-purity, multi-functional aromatic nitro compound that serves as a critical synthetic intermediate and analytical reagent. Its unique structure, featuring both nitro and carboxylic acid functional groups, makes it a versatile building block for the synthesis of complex molecules and dyes. This product is essential for research and development laboratories, pharmaceutical manufacturers, and specialty chemical producers requiring precise and reliable raw materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs) and complex organic molecules.
• Dye and Pigment Manufacturing: Used in the production of specialized azo dyes and colorants due to its nitro-aromatic structure.
• Analytical Chemistry Reagent: Employed as a standard or derivatization agent in chromatographic analysis and spectroscopic studies.
• Organic Synthesis Building Block: Utilized in research for constructing heterocyclic compounds, ligands, and other fine chemicals.
• Agrochemical Research: Acts as an intermediate in the development of novel herbicides and plant growth regulators.
• Polymer Modification: Can be used to introduce nitro and carboxylic acid functionalities into polymer chains for specialty materials.

Basic Information

Product Name	3,5-Dinitro-4-Hydroxybenzoic Acid
CAS No.	1019-52-9
Molecular Formula	C7H4N2O7
Molecular Weight	228.12 g/mol
Synonyms	4-Hydroxy-3,5-dinitrobenzoic Acid; 3,5-Dinitro-4-hydroxybenzoic acid; Benzoic acid, 4-hydroxy-3,5-dinitro-; DNBA; 3,5-Dinitro-4-hydroxybenzoic acid; 3,5-Dinitro-4-hydroxy-benzoic acid; 3,5-Dinitro-4-hydroxybenzoic acid (DNBA); 4-Hydroxy-3,5-dinitrobenzoic acid (HDNBA)
EINECS	213-837-8

Quality Control

Our 3,5-Dinitro-4-Hydroxybenzoic Acid is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for assay and purity determination. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting key parameters such as identity, purity, and impurity profiles to meet the stringent requirements of our global B2B clients.

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). Keep away from heat, sparks, open flames, and incompatible materials such as strong bases and reducing agents. The container should be kept tightly sealed to minimize moisture absorption.

Specification

Item	Specification
Appearance	Yellow to pale yellow 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 (as Pb)	≤ 20 ppm

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