Description

Diethyl 2,5-Dihydroxyterephthalate is a high-purity diester derivative of terephthalic acid, serving as a critical organic intermediate and monomer in advanced polymer synthesis. Its value lies in the precise functionalization of the terephthalate core, which enables the development of materials with tailored optical, mechanical, and chemical properties. This compound is essential for R&D and production teams in the polymer, specialty chemical, and pharmaceutical industries seeking to create novel polyesters, liquid crystals, or functional organic materials.

Application

• Polymer & Resin Synthesis: A key monomer for producing specialty polyesters and co-polymers with enhanced thermal stability and specific functional groups.
• Liquid Crystal Materials: Used in the synthesis of monomers for liquid crystal polymers (LCPs) and display materials due to its rigid, aromatic structure.
• Pharmaceutical Intermediates: Serves as a building block in the multi-step synthesis of complex organic molecules and active pharmaceutical ingredients (APIs).
• Organic Electronics: A precursor for the development of organic semiconductors, conductive polymers, and materials for OLED applications.
• Dye & Pigment Manufacturing: Acts as an intermediate in the synthesis of high-performance dyes and organic pigments.
• Cross-linking Agent: Utilized in formulations requiring di-functional esters to create cross-linked polymer networks for coatings or adhesives.
• Academic & Industrial R&D: A valuable reagent for chemical research focused on novel material development and organic synthesis pathways.

Basic Information

Product Name	Diethyl 2,5-Dihydroxyterephthalate
CAS No.	5870-38-2
Molecular Formula	C12H14O6
Molecular Weight	254.24 g/mol
Synonyms	2,5-Dihydroxyterephthalic Acid Diethyl Ester; Diethyl 2,5-Dihydroxy-1,4-benzenedicarboxylate; Terephthalic Acid, 2,5-Dihydroxy-, Diethyl Ester; Ethyl 2,5-Dihydroxyterephthalate; DEHT-diol; 1,4-Benzenedicarboxylic acid, 2,5-dihydroxy-, diethyl ester
EINECS	Contact for details

Quality Control

Our Diethyl 2,5-Dihydroxyterephthalate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise specifications for advanced synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and consistency for your critical processes.

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 incompatible materials such as strong oxidizing agents. The container should be kept tightly sealed to protect from 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	≤ 20 ppm

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