Description

3,6-Dinitrophthalic Acid is a high-purity aromatic nitro dicarboxylic acid derivative, serving as a critical synthetic intermediate in advanced chemical manufacturing. Its value lies in providing a functionalized aromatic core for constructing complex molecules, particularly in the synthesis of dyes, pigments, and specialized polymers. This compound is essential for R&D laboratories and production facilities in the fine chemical, agrochemical, and pharmaceutical intermediate sectors seeking reliable, high-quality building blocks.

Application

• Fine Chemical Synthesis: A key precursor for the production of phthalocyanine dyes and high-performance pigments.
• Agrochemical Intermediates: Used in the synthesis of advanced herbicide and pesticide molecules.
• Polymer Chemistry: Serves as a monomer or cross-linking agent in the development of specialty polyimides and other high-temperature polymers.
• Pharmaceutical Research: Employed as a building block for creating novel active pharmaceutical ingredients (APIs) and diagnostic agents.
• Ligand and Complexation Chemistry: Useful for synthesizing chelating agents and metal-organic frameworks (MOFs).
• Analytical Reagents: Can be utilized in the preparation of calibration standards and specialized reagents.

Basic Information

Product Name	3,6-Dinitrophthalic Acid
CAS No.	2300-16-5
Molecular Formula	C8H4N2O8
Molecular Weight	256.13 g/mol
Synonyms	3,6-Dinitro-1,2-benzenedicarboxylic Acid; 3,6-Dinitrophthalic Acid; 4,5-Dinitrophthalic Acid; Phthalic Acid, 3,6-Dinitro-; DNPA; 1,2-Benzenedicarboxylic acid, 3,6-dinitro-
EINECS	218-961-3

Quality Control

Our 3,6-Dinitrophthalic Acid is manufactured under a strict quality management system 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, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be kept in opaque packaging or amber glass.

Specification

Item	Specification
Appearance	Yellow to light brown 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.