Description

Tetrachlorophthalic Acid is a halogenated derivative of phthalic acid, serving as a critical high-purity intermediate in advanced chemical synthesis. Its value lies in its ability to introduce both carboxylic acid functionality and chlorine substituents, enabling the production of specialized polymers, dyes, and agrochemicals. This compound is essential for manufacturers and R&D laboratories in the fine chemical, polymer additive, and pharmaceutical intermediate sectors seeking precise molecular building blocks.

Application

• Polymer Intermediate: Key monomer for synthesizing specialized polyimides and polyesters with enhanced thermal stability and flame-retardant properties.
• Dye and Pigment Manufacturing: Acts as a precursor for producing high-performance, chlorinated phthalocyanine pigments and other complex colorants.
• Agrochemical Synthesis: Used in the production of advanced herbicide and fungicide intermediates, leveraging its halogenated aromatic structure.
• Pharmaceutical Intermediate: Serves as a building block in the synthesis of certain active pharmaceutical ingredients (APIs) requiring a tetrachlorinated benzene core.
• Chemical Research & Development: A valuable reagent in organic synthesis for introducing specific functional groups and studying structure-activity relationships.
• Epoxy Resin Modifier: Can be used to modify epoxy resin systems, potentially improving chemical resistance and thermal properties.

Basic Information

Product Name	Tetrachlorophthalic Acid
CAS No.	58086-90-1
Molecular Formula	C8H2Cl4O4
Molecular Weight	303.91 g/mol
Synonyms	3,4,5,6-Tetrachlorophthalic Acid; Tetrachlorobenzene-1,2-dicarboxylic Acid; 1,2-Benzenedicarboxylic Acid, 3,4,5,6-Tetrachloro-; TCPA; NSC 403108
EINECS	Contact for details

Quality Control

Our Tetrachlorophthalic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity and identity. A comprehensive Certificate of Analysis (COA) detailing results for assay, impurity profile, and physical characteristics is provided with every shipment to guarantee consistent quality and traceability for your processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases and oxidizing agents. Recommended storage temperature is 15-25°C. Keep container tightly sealed when not in use to minimize exposure to atmospheric moisture.

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)	≤ 10 ppm

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