Description

2,6-Dihydroxyterephthalic Acid is a multifunctional aromatic dicarboxylic acid derivative, distinguished by its two hydroxyl groups positioned ortho to the carboxyl functions. This unique molecular structure makes it a valuable high-performance building block for advanced materials and specialty chemicals. It is primarily sought after by R&D and production teams in the pharmaceutical intermediates, polymer science, and organic electronics sectors.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of complex active pharmaceutical ingredients (APIs) and drug candidates.
• Polymer & Resin Synthesis: Used to produce high-performance polyesters, polyamides, and epoxy resins with enhanced thermal stability and mechanical properties.
• Metal-Organic Frameworks (MOFs): Acts as a versatile organic linker for constructing porous MOFs with applications in gas storage, separation, and catalysis.
• Organic Electronics: Employed in the development of organic semiconductors, conductive polymers, and materials for OLEDs and photovoltaic cells.
• Chelating Agent & Ligand: Functions as a polydentate ligand for metal complexation in catalytic systems and analytical chemistry.
• Dye & Pigment Intermediate: Utilized in the synthesis of specialized colorants and functional dyes.

Basic Information

Product Name	2,6-Dihydroxyterephthalic Acid
CAS No.	69660-39-5
Molecular Formula	C8H6O6
Molecular Weight	198.13 g/mol
Synonyms	2,6-Dihydroxybenzene-1,4-dicarboxylic Acid; Terephthalic Acid, 2,6-Dihydroxy-; DHTPA; 1,4-Benzenedicarboxylic acid, 2,6-dihydroxy-; 2,6-Dihydroxy-1,4-benzenedicarboxylic Acid
EINECS	Contact for details

Quality Control

Our 2,6-Dihydroxyterephthalic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specifications and test results are provided and available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area. Due to its hygroscopic nature, the container should be kept sealed under dry, inert conditions to prevent moisture absorption. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
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.