Description

1,4-Benzenedicarboxylic Acid, 2,5-Diethoxy- is a specialized aromatic dicarboxylic acid derivative, distinguished by its ethoxy substituents which impart unique solubility and reactivity profiles. This compound is valued as a key intermediate in the synthesis of advanced polymers, liquid crystals, and high-performance organic materials. It is primarily sought by R&D laboratories and industrial manufacturers in the polymer, specialty chemical, and advanced material sectors.

Application

• Polymer Synthesis: Serves as a critical monomer or co-monomer for producing specialty polyesters and polyamides with tailored thermal and mechanical properties.
• Liquid Crystal Production: Used as a building block in the manufacture of liquid crystal polymers (LCPs) and display materials.
• Pharmaceutical Intermediates: Acts as a precursor in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Organic Synthesis & Research: A versatile reagent for constructing complex aromatic systems and functional materials in academic and industrial R&D.
• Coating & Resin Formulation: Incorporated into high-performance coatings and resins to enhance durability and chemical resistance.
• Agrochemical Intermediates: Utilized in the development of novel herbicides and plant growth regulators.

Basic Information

Product Name	1,4-Benzenedicarboxylic Acid, 2,5-Diethoxy-
CAS No.	105338-33-8
Molecular Formula	C12H14O6
Molecular Weight	254.24 g/mol
Synonyms	2,5-Diethoxyterephthalic Acid; Terephthalic Acid, 2,5-Diethoxy-; 2,5-Diethoxybenzene-1,4-dicarboxylic Acid; 1,4-Benzenedicarboxylic acid, 2,5-diethoxy-; 2,5-Diethoxy-1,4-benzenedicarboxylic Acid; 2,5-Diethoxyterephthalate; Diethoxyterephthalic Acid
EINECS	Contact for details

Quality Control

Our 1,4-Benzenedicarboxylic Acid, 2,5-Diethoxy- is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and FTIR, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications. We support custom synthesis and can tailor purity grades to meet specific project requirements, from research to commercial scale.

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 oxidizing agents, strong bases, and sources of ignition. The product may be hygroscopic; handle and store under dry conditions to maintain stability.

Specification

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