Description

2,6-Dihydroxyterephthalic Acid Dimethyl Ester is a high-purity aromatic diester derivative of terephthalic acid, serving as a critical building block in advanced organic synthesis. This compound is valued for its unique substitution pattern, which provides two phenolic hydroxyl groups ortho to the ester functionalities, making it a versatile precursor for functional polymers and specialty chemicals. It is primarily sought by R&D chemists and process engineers in the pharmaceutical, agrochemical, and high-performance polymer industries for developing novel materials, ligands, and active pharmaceutical ingredients (APIs).

Application

• Pharmaceutical Intermediate: Key synthon for the development of novel active pharmaceutical ingredients (APIs), particularly those requiring a rigid, functionalized aromatic core.
• Polymer Chemistry: Monomer for the synthesis of specialty polyesters, polyamides, and liquid crystalline polymers (LCPs) with enhanced thermal and mechanical properties.
• Coordination Chemistry & Ligand Synthesis: Precursor for creating chelating ligands used in catalysis, metal-organic frameworks (MOFs), and diagnostic imaging agents.
• Agrochemical Research: Intermediate in the synthesis of advanced herbicides, fungicides, and plant growth regulators.
• Dye & Pigment Manufacturing: Building block for producing high-performance organic dyes and pigments with specific light-fastness and color properties.
• Academic & Industrial R&D: Versatile starting material for exploratory organic synthesis and material science research in both academic and corporate laboratories.

Basic Information

Product Name	2,6-Dihydroxyterephthalic Acid Dimethyl Ester
CAS No.	35416-55-8
Molecular Formula	C10H10O6
Molecular Weight	226.18 g/mol
Synonyms	Dimethyl 2,6-Dihydroxyterephthalate; 2,6-Dihydroxy-1,4-benzenedicarboxylic Acid Dimethyl Ester; Terephthalic Acid, 2,6-Dihydroxy-, Dimethyl Ester; 2,6-Dihydroxyterephthalic Acid Methyl Ester; 2,6-Dihydroxybenzene-1,4-dicarboxylic Acid Dimethyl Ester; 2,6-Dihydroxy-p-phthalic Acid Dimethyl Ester; 2,6-Dihydroxyterephthalate Dimethyl Ester
EINECS	Contact for details

Quality Control

Every batch of 2,6-Dihydroxyterephthalic Acid Dimethyl Ester is manufactured under a strict quality management system and undergoes comprehensive analytical testing to ensure consistency and purity. We provide full traceability and Certificates of Analysis (COA) that detail key parameters such as assay, identity, and impurity profiles. Our quality commitment aligns with cGMP principles where applicable, ensuring the material is suitable for demanding R&D and scale-up 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). This product is hygroscopic (moisture-sensitive); therefore, the container must be kept tightly sealed to minimize exposure to atmospheric humidity.

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	≤ 1.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 2.0%

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