Description

1,4-Benzenedicarboxylic Acid, 2,5-Bis(2-Methoxyethoxy)- is a high-purity, functionalized terephthalic acid derivative, serving as a critical advanced intermediate for the synthesis of specialized polymers and organic electronic materials. Its core value lies in the precise introduction of ether-linked side chains, which impart enhanced solubility, tunable thermal properties, and specific reactivity profiles to the final products. This compound is essential for R&D and production chemists in the advanced polymer, liquid crystal, and organic semiconductor industries seeking to develop next-generation materials with tailored performance characteristics.

Application

• Advanced Polymer Synthesis: A key monomer for producing soluble, high-performance polyesters and polyamides with modified chain packing and optical properties.
• Liquid Crystal Materials: Used as a core building block for discotic or calamitic liquid crystals, where the alkoxy side chains promote mesophase formation and stability.
• Organic Electronic Precursors: Serves as a functionalized linker or core unit in the synthesis of organic semiconductors for OLEDs, OFETs, or photovoltaic applications.
• Pharmaceutical Intermediates: Potential use in creating complex drug molecules or prodrugs requiring specific solubility and release profiles.
• Specialty Coatings & Resins: Incorporated into coating formulations to improve flexibility, adhesion, and chemical resistance.
• Cross-linking Agents: Functions as a difunctional acid component in cross-linked polymer networks for gels or thermosets.
• Academic & Industrial R&D: A valuable reagent for material science research focused on structure-property relationships in macromolecules.

Basic Information

Product Name	1,4-Benzenedicarboxylic Acid, 2,5-Bis(2-Methoxyethoxy)-
CAS No.	1265529-85-8
Molecular Formula	C16H22O8
Molecular Weight	342.34 g/mol
Synonyms	2,5-Bis(2-methoxyethoxy)terephthalic acid; Terephthalic acid, 2,5-bis(2-methoxyethoxy)-; 2,5-Di(2-methoxyethoxy)benzene-1,4-dicarboxylic acid; 1,4-Benzenedicarboxylic acid, 2,5-bis(2-methoxyethoxy)-; 2,5-Bis(2-methoxyethoxy)-1,4-benzenedicarboxylic acid; 2,5-Bis(β-methoxyethoxy)terephthalic acid; 2,5-Di-O-(2-methoxyethyl)terephthalic acid
EINECS	Contact for details

Quality Control

Our production of 1,4-Benzenedicarboxylic Acid, 2,5-Bis(2-Methoxyethoxy)- adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical characterization, including HPLC for purity, NMR for structural confirmation, and Karl Fischer titration for moisture content. Certificates of Analysis (COA) detailing all test results are provided and can be tailored to meet specific customer or regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). This compound may be hygroscopic; keep the container tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5% w/w
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.