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Description
TCI D3899 2,5-Dihydroxyterephthalic Acid is an aromatic dicarboxylic acid carrying two hydroxyl groups at the 2 and 5 positions of the benzene ring. It is best known as the organic linker used to build metal–organic frameworks (MOFs), particularly the MOF-74 or CPO-27 family assembled from divalent metal ions such as magnesium, zinc, nickel, or cobalt. In materials laboratories, this compound is dissolved together with a metal salt under solvothermal conditions to form a crystalline porous solid with high surface area and ordered one-dimensional channels.
What makes this compound distinctive is that it offers four coordination points at once: two carboxylate groups and two phenolic hydroxyl groups. This combination allows the formation of helical metal–oxygen nodes that leave open metal sites behind once the guest solvent is removed through activation. Those open metal sites give the framework a strong affinity for Lewis-basic guest molecules such as carbon dioxide, water, and various polar gases, so uptake capacity is comparatively high even at low pressure. The rigidity of the aromatic backbone also helps the pore structure stay intact.
In Indonesian laboratories, this linker is typically used by university materials research groups, chemistry and chemical engineering departments, and institutional research centers working on porous materials. It is normally weighed in small quantities, combined with a metal salt in a polar solvent system, and heated in a sealed vessel to grow the framework. Researchers working on gas adsorption, separation, and related porous-material topics rely on it as a standard starting material for reproducible MOF synthesis.
Laboratory Applications
MOF-74 and CPO-27 synthesis: it serves as the defining organic linker for this framework family, coordinating divalent metal ions into the characteristic helical rod-shaped nodes.
Carbon dioxide capture research: frameworks built from this linker expose open metal sites that bind carbon dioxide strongly, making it well suited to low-pressure adsorption studies.
Gas separation and storage studies: the ordered one-dimensional channels formed with this linker give uniform pore environments needed for reproducible selectivity and uptake measurements.
Porous material characterization work: the high surface area produced by this linker makes resulting frameworks convenient reference samples for surface area and porosity measurement methods.
Coordination chemistry and ligand studies: its four coordination points across carboxylate and phenolic hydroxyl groups make it a useful model ligand for metal–oxygen binding investigations.
Specifications
Brand: TCI
CAS Number: 610-92-4
Product Code: D3899
Category: Materials Science > Organic-Inorganic Hybrid Materials > Metal Organic Frameworks (MOF) and Their Raw Materials
Pack sizes: available in standard TCI research-scale packaging; please confirm the currently offered pack size when ordering
Storage: keep in the tightly closed original container, protected from moisture and light
Handling and Storage
Store the material in its tightly closed original container in a cool, dry, well-ventilated area, protected from moisture and direct light. Glass or chemically compatible plastic containers with secure closures are appropriate for any transfer or sub-sampling. Handle in a fume hood and wear standard laboratory personal protective equipment, including safety goggles, gloves, and a laboratory coat. Avoid generating dust during weighing, and close the container promptly after use to limit moisture uptake, since absorbed water can affect subsequent solvothermal synthesis. Keep away from incompatible materials and consult the manufacturer safety data sheet before use.
