Description

2,5-Dichloroisophthalic Acid is a high-purity aromatic dicarboxylic acid derivative, distinguished by its two strategically positioned chlorine atoms on the isophthalic acid backbone. This compound serves as a critical advanced organic intermediate for synthesizing complex molecules, offering precise control over molecular architecture. It is essential for manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries who require reliable, high-quality building blocks for research and production.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a rigid, substituted aromatic core.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators where the dichloro-substitution imparts specific biological activity.
• Polymer & Material Science: Serves as a monomer or co-monomer for creating high-performance polyamides, polyesters, and liquid crystal polymers (LCPs) with enhanced thermal and chemical resistance.
• Organic Ligand & Metal-Organic Framework (MOF) Precursor: The carboxylic acid groups make it a valuable building block for constructing chelating ligands and porous coordination polymers.
• Dyestuff & Pigment Intermediate: Employed in the synthesis of complex, color-fast organic dyes and pigments.
• Cross-linking Agent: Utilized in epoxy resin systems and other thermosetting polymers to increase cross-link density and improve material properties.

Basic Information

Product Name	2,5-Dichloroisophthalic Acid
CAS No.	60047-46-3
Molecular Formula	C8H4Cl2O4
Molecular Weight	235.02 g/mol
Synonyms	2,5-Dichloro-1,3-benzenedicarboxylic Acid; Isophthalic Acid, 2,5-Dichloro-; 2,5-Dichlorobenzene-1,3-dicarboxylic Acid; 1,3-Benzenedicarboxylic acid, 2,5-dichloro-; NSC 404083; DCIPA
EINECS	Contact for details

Quality Control

Our 2,5-Dichloroisophthalic Acid is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets stringent specifications. A Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee traceability and compliance with your project requirements.

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). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to prevent moisture absorption, which may affect product quality.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	285 - 295 °C
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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