Description

4,5-Dichlorophthalic Acid is a high-purity, versatile aromatic dicarboxylic acid derivative, serving as a critical building block in advanced organic synthesis. Its value lies in the strategic placement of chlorine atoms on the phthalic acid backbone, enabling precise functionalization and the creation of complex molecular architectures. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries seeking to develop novel active ingredients and high-performance materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a halogenated aromatic core.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators where the dichloro-substituted ring enhances biological activity.
• Polymer & Dye Chemistry: Serves as a monomer or modifier for producing high-temperature resistant polymers, polyimides, and specialized colorants.
• Ligand & Chelating Agent Precursor: Foundation for synthesizing complexing agents and ligands used in catalysis and metal ion sequestration.
• Organic Electronic Materials: Building block for developing charge-transport materials and other components in OLEDs and electronic devices.
• Research & Development: A valuable reagent in academic and industrial R&D for exploring new chemical reactions and creating novel heterocyclic compounds.

Basic Information

Product Name	4,5-Dichlorophthalic Acid
CAS No.	56962-08-4
Molecular Formula	C8H4Cl2O4
Molecular Weight	235.02 g/mol
Synonyms	4,5-Dichlorobenzene-1,2-dicarboxylic Acid; 1,2-Benzenedicarboxylic Acid, 4,5-Dichloro-; NSC 163081; Phthalic Acid, 4,5-Dichloro-; 4,5-Dichloro-1,2-benzenedicarboxylic Acid; 4,5-Dichlorophthalate; Dichlorophthalic Acid
EINECS	Contact for details

Quality Control

Our 4,5-Dichlorophthalic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting specifications for sensitive synthetic applications. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and batch-to-batch consistency.

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 strong bases and oxidizing agents. For long-term storage, consider conditions under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white 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.