Description

2,6-Dimethoxyterephthalic Acid is a high-purity aromatic dicarboxylic acid derivative, distinguished by its methoxy substituents which impart unique chemical reactivity and solubility characteristics. This compound serves as a critical advanced organic intermediate for the synthesis of specialized polymers, liquid crystals, and pharmaceutical active ingredients. It is essential for R&D and production teams in the fine chemical, advanced material, and pharmaceutical sectors seeking to develop high-performance products with tailored properties.

Application

• Polymer Chemistry: Key monomer for the synthesis of high-performance, specialty polyesters and polyamides with enhanced thermal stability and solubility.
• Liquid Crystal Displays (LCDs): Serves as a core building block in the production of liquid crystal materials for electronic displays.
• Pharmaceutical Intermediates: Used in the multi-step synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Organic Synthesis & Research: A versatile reagent for constructing complex aromatic systems in academic and industrial R&D laboratories.
• Coordination Chemistry: Acts as a chelating ligand for the preparation of metal-organic frameworks (MOFs) and coordination polymers.
• Dye & Pigment Industry: Intermediate in the manufacture of specialized dyes and organic pigments.

Basic Information

Product Name	2,6-Dimethoxyterephthalic Acid
CAS No.	16849-69-7
Molecular Formula	C10H10O6
Molecular Weight	226.18 g/mol
Synonyms	2,6-Dimethoxybenzene-1,4-dicarboxylic Acid; Terephthalic Acid, 2,6-Dimethoxy-; 1,4-Benzenedicarboxylic Acid, 2,6-Dimethoxy-; 2,6-Dimethoxy-1,4-benzenedicarboxylic Acid; DMTA; 2,6-Dimethoxytetraphthalic Acid (common misspelling)
EINECS	240-876-9

Quality Control

Our 2,6-Dimethoxyterephthalic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and FTIR, to ensure high chemical purity and consistent performance. We provide comprehensive Certificates of Analysis (COA) with every shipment, detailing all critical specifications. Our production adheres to cGMP principles where applicable, ensuring traceability and reliability for demanding industrial and research applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong oxidizing agents and 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 structure
Assay (HPLC)	≥ 98.0%
Melting Point	285 - 295 °C (dec.)
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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