Description

5,5'-(Pyridine-3,5-Diyl)Diisophthalic Acid is a high-purity, multifunctional organic building block featuring a rigid pyridine core symmetrically linked to two isophthalic acid groups. This compound matters for its role as a key precursor in the synthesis of advanced materials, particularly metal-organic frameworks (MOFs) and coordination polymers, where its precise geometry and multiple coordination sites are critical. It is primarily needed by researchers and manufacturers in the fields of advanced materials science, heterogeneous catalysis, and gas storage/separation technologies. The product is supplied under strict quality control to ensure batch-to-batch consistency for demanding synthetic applications.

Application

• Metal-Organic Framework (MOF) Synthesis: Serves as a versatile organic linker for constructing porous, crystalline materials with tailored pore sizes and surface functionalities.
• Coordination Polymer Development: Used as a bridging ligand to create one-, two-, or three-dimensional polymeric networks with specific magnetic or optical properties.
• Heterogeneous Catalyst Design: The pyridine-nitrogen and carboxylate groups provide anchoring sites for metal ions, enabling the creation of supported catalysts.
• Gas Storage and Separation Materials: A key component in MOFs designed for the selective adsorption of gases like CO₂, H₂, or CH₄.
• Luminescent Material Precursor: Can be incorporated into frameworks or complexes that exhibit photoluminescence for sensing or display applications.
• Pharmaceutical Intermediate: Potential use in the synthesis of complex molecules for medicinal chemistry research, leveraging its rigid, multi-functional structure.

Basic Information

Product Name	5,5'-(Pyridine-3,5-Diyl)Diisophthalic Acid
CAS No.	1433029-60-7
Molecular Formula	C₂₄H₁₄N₂O₈
Molecular Weight	458.38 g/mol
Synonyms	3,5-Bis(3,5-dicarboxyphenyl)pyridine; 3,5-Pyridinediylbis(m-phenylenecarboxylic acid); 5,5'-(Pyridine-3,5-diyl)bis(isophthalic acid); 3,5-Di(3,5-dicarboxyphenyl)pyridine; H₄PDIPA; PDIPA; Pyridine-3,5-diylbis(benzene-1,3-dicarboxylic acid); 1,1':3',1''-Terphenyl-3,3'',5,5''-tetracarboxylic acid, 5''-aza-
EINECS	Contact for details

Quality Control

Our 5,5'-(Pyridine-3,5-Diyl)Diisophthalic Acid is manufactured under a quality management system. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for research and material synthesis. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Due to its hygroscopic (moisture-sensitive) nature, the container should be stored in a cool, dry place with minimal exposure to humidity. Recommended storage temperature is 2-8°C for long-term stability. Allow the sealed container to reach room temperature before opening to prevent moisture condensation.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.5%

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