Description

2,5-Dimethyl-Terephthalic Acid Dimethyl Ester is a high-purity diester derivative of dimethyl terephthalate, serving as a critical organic intermediate and monomer. Its value lies in its structural functionality, which enables precise modification of polymer backbones to achieve specific thermal and mechanical properties. This compound is essential for R&D chemists and production engineers in the polymer and specialty chemical industries, particularly for synthesizing advanced polyesters, liquid crystal polymers (LCPs), and performance additives.

Application

• Polymer Synthesis: A key monomer for the production of modified polyethylene terephthalate (PET) and other specialty polyesters with enhanced characteristics.
• Liquid Crystal Polymers (LCPs): Used as a comonomer in the synthesis of high-performance LCPs for electronics, aerospace, and automotive components.
• Organic Synthesis Intermediate: Serves as a versatile building block in pharmaceutical and agrochemical research for constructing complex molecular architectures.
• Performance Plastic Additives: Employed in the development of plasticizers, stabilizers, and other functional additives to improve material performance.
• Coating Resins: A precursor in formulating high-durability, specialized coating resins for industrial and protective applications.
• Advanced Material Research: Utilized in R&D for novel organic frameworks, dendrimers, and other engineered materials.

Basic Information

Product Name	2,5-Dimethyl-Terephthalic Acid Dimethyl Ester
CAS No.	54100-53-7
Molecular Formula	C12H14O4
Molecular Weight	222.24 g/mol
Synonyms	Dimethyl 2,5-Dimethylterephthalate; 2,5-Dimethyl-1,4-benzenedicarboxylic Acid Dimethyl Ester; 2,5-Dimethyl Terephthalate; DMT-Derivative; 1,4-Benzenedicarboxylic acid, 2,5-dimethyl-, dimethyl ester; 2,5-Dimethyl-p-phthalic Acid Dimethyl Ester
EINECS	Contact for details

Quality Control

Our 2,5-Dimethyl-Terephthalic Acid Dimethyl Ester is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay by HPLC and identification by FT-IR and NMR, to ensure high purity and consistent lot-to-lot quality. Certificates of Analysis (COA) detailing all specifications are provided and available upon request 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 oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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