Description

2,5-Dinitroterephthalic Acid is a high-purity aromatic dicarboxylic acid derivative, distinguished by its strategically placed nitro groups. This compound serves as a critical advanced intermediate for synthesizing complex organic molecules, including dyes, pigments, and specialty polymers. It is essential for R&D and production in the pharmaceutical, agrochemical, and high-performance materials sectors, where precise molecular architecture is required.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of active pharmaceutical ingredients (APIs) and complex heterocyclic compounds.
• Dye & Pigment Synthesis: Precursor for manufacturing high-value azo dyes, pigments, and colorants with enhanced lightfastness and thermal stability.
• Agrochemical Development: Used in creating advanced herbicide and pesticide molecules due to its reactive nitro and carboxylic acid functionalities.
• Polymer & Material Science: Monomer for producing specialty polyamides, polyimides, and other high-performance polymers with unique properties.
• Energetic Materials Research: Serves as a precursor in the development of novel, thermally stable energetic compounds and propellants.
• Ligand & Chelating Agent Synthesis: Used to create complexing agents and ligands for catalysis and metal ion sequestration.
• Laboratory Reagent: Employed in academic and industrial research for organic synthesis and methodological studies.

Basic Information

Product Name	2,5-Dinitroterephthalic Acid
CAS No.	65109-45-7
Molecular Formula	C8H4N2O8
Molecular Weight	256.13 g/mol
Synonyms	2,5-Dinitrobenzene-1,4-dicarboxylic Acid; Terephthalic Acid, 2,5-Dinitro-; DNTA; 1,4-Benzenedicarboxylic Acid, 2,5-Dinitro-; 2,5-Dinitro-1,4-benzenedicarboxylic Acid
EINECS	Contact for details

Quality Control

Our 2,5-Dinitroterephthalic Acid is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and titration methods, to ensure compliance with stringent purity specifications. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with each shipment to guarantee traceability and batch-to-batch consistency for your critical applications.

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 strong bases, reducing agents, and sources of ignition. Due to its nature as a strong acid/organic solvent, handle with appropriate personal protective equipment.

Specification

Item	Specification
Appearance	Yellow to pale yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	285 - 295 °C (dec.)
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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