Description

Terephthalic Acid Bis[4-(Methoxycarbonyl)Phenyl] Ester is a high-purity specialty ester derivative of terephthalic acid, serving as a critical advanced intermediate in sophisticated chemical synthesis. Its value lies in providing a precisely functionalized aromatic core for constructing complex molecules with tailored properties. This compound is essential for R&D and production in industries focused on high-performance polymers, liquid crystal materials, and pharmaceutical active ingredients.

Application

• Advanced Polymer Synthesis: A key monomer or chain extender for producing high-temperature resistant polyesters, polyamides, and specialty engineering plastics.
• Liquid Crystal Materials: Serves as a core building block in the synthesis of monomers for liquid crystal polymers (LCPs) and display materials.
• Pharmaceutical Intermediates: Used in the research and development of active pharmaceutical ingredients (APIs) requiring specific aromatic ester functionalities.
• Organic Electronics: Potential intermediate in the synthesis of organic semiconductors and electron-transport materials for OLEDs and photovoltaics.
• Cross-linking Agent: Functions as a cross-linker in the formulation of high-performance coatings, adhesives, and composite resins.
• Chemical Research: A valuable reagent in academic and industrial laboratories for exploring new organic reactions and material properties.

Basic Information

Product Name	Terephthalic Acid Bis[4-(Methoxycarbonyl)Phenyl] Ester
CAS No.	99328-23-1
Molecular Formula	C26H20O8
Molecular Weight	460.43 g/mol
Synonyms	1,4-Benzenedicarboxylic Acid, Bis[4-(Methoxycarbonyl)Phenyl] Ester; Bis(4-Carbonethoxyphenyl) Terephthalate; 4,4'-(1,4-Phenylenedicarbonyloxy)dibenzoic Acid Dimethyl Ester; Terephthalic Acid Dimethyl Ester Derivative; p-Phenylenediacetic Acid Bis(4-Carbonethoxyphenyl) Ester; Terephthaloyl Bis(4-Methoxycarbonylphenol); TPA-BMPE; Terephthalate Diester Intermediate
EINECS	Contact for details

Quality Control

Our Terephthalic Acid Bis[4-(Methoxycarbonyl)Phenyl] Ester is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by FT-IR and NMR, to ensure it meets exacting specifications for advanced synthesis. A detailed Certificate of Analysis (COA) documenting 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 place at room temperature (15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases. For long-term storage, consider an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Purity (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.