Description

Dimethyl 2,5-Dichloroterephthalate is a high-purity organic chemical intermediate characterized by its diester and dichloro-substituted aromatic structure. This compound is valued for its role as a versatile building block in the synthesis of complex molecules, offering precise reactivity for advanced manufacturing processes. It is primarily sought by the pharmaceutical, agrochemical, and specialty polymer industries for research, development, and production-scale applications.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a functionalized terephthalate core.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators where the chlorinated aromatic structure is essential for bioactivity.
• Polymer & Material Science: Serves as a monomer or modifying agent in the creation of high-performance polymers, liquid crystals, and specialty polyesters with enhanced thermal or chemical resistance.
• Organic Synthesis & Research: Employed in academic and industrial R&D laboratories as a versatile building block for constructing complex organic frameworks and exploring new chemical reactions.
• Dye & Pigment Manufacturing: Acts as an intermediate in the production of specialized dyes and pigments, contributing to color fastness and specific spectral properties.

Basic Information

Product Name	Dimethyl 2,5-Dichloroterephthalate
CAS No.	3293-89-8
Molecular Formula	C10H8Cl2O4
Molecular Weight	263.07 g/mol
Synonyms	2,5-Dichloroterephthalic Acid Dimethyl Ester; Dimethyl 2,5-Dichloro-1,4-benzenedicarboxylate; Terephthalic Acid, 2,5-Dichloro-, Dimethyl Ester; 1,4-Benzenedicarboxylic Acid, 2,5-Dichloro-, Dimethyl Ester; DMDCT; Methyl 2,5-Dichloroterephthalate
EINECS	221-969-7

Quality Control

Our Dimethyl 2,5-Dichloroterephthalate is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance protocols.

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 incompatible materials such as strong oxidizing agents. The product is stable under recommended conditions.

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

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