Description

2,5-Dichloroterephthalic Acid is a high-purity aromatic dicarboxylic acid derivative, distinguished by its two chlorine substituents on the terephthalic acid backbone. This compound serves as a critical advanced intermediate for synthesizing specialized polymers, dyes, and pharmaceutical agents, where its unique halogenated structure imparts specific chemical reactivity and physical properties. It is primarily utilized by research institutions, fine chemical manufacturers, and polymer producers engaged in developing high-performance materials and active pharmaceutical ingredients (APIs).

Application

• Polymer Synthesis: A key monomer for producing high-performance, halogenated polyesters and polyamides with enhanced thermal stability and flame-retardant properties.
• Pharmaceutical Intermediates: Serves as a crucial building block in the multi-step synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Liquid Crystal & OLED Materials: Used in the manufacture of specialized organic compounds for electronic displays and optoelectronic devices.
• Dye & Pigment Manufacturing: Acts as a precursor for synthesizing chlorinated organic dyes and pigments with specific color fastness and stability.
• Metal-Organic Frameworks (MOFs): Employed as an organic linker in the construction of porous coordination polymers for gas storage and catalysis.
• Agrochemical Synthesis: An intermediate in the production of certain herbicides and plant growth regulators.
• Crosslinking Agent: Used in epoxy resin systems and other thermosetting polymers to modify mechanical properties.
• Research & Development: A valuable reagent for academic and industrial R&D in organic chemistry and materials science.

Basic Information

Product Name	2,5-Dichloroterephthalic Acid
CAS No.	13799-90-1
Molecular Formula	C8H4Cl2O4
Molecular Weight	235.02 g/mol
Synonyms	2,5-Dichloro-1,4-benzenedicarboxylic Acid; Terephthalic Acid, 2,5-Dichloro-; 2,5-Dichlorobenzene-1,4-dicarboxylic Acid; DCTA; 2,5-Dichloroterephthalicacid; 1,4-Benzenedicarboxylic acid, 2,5-dichloro-
EINECS	Contact for details

Quality Control

Our 2,5-Dichloroterephthalic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications. Certificates of Analysis (COA) documenting all critical parameters are available upon request, providing full traceability and compliance assurance for your supply chain.

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). Keep away from strong bases and oxidizing agents. For long-term storage, consider conditions under an inert atmosphere to maintain product integrity.

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	≤ 20 ppm
Related Substances (HPLC)	Contact for details

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