Description

5,5’-(Naphthalene-2,7-Diyl)Di(Isophthalic Acid) is a high-purity, multifunctional aromatic dicarboxylic acid building block. This compound matters for its rigid, extended molecular architecture, which is critical for synthesizing advanced materials with tailored properties. It is primarily needed by researchers and manufacturers in the fields of polymeric materials, organic electronics, and metal-organic frameworks (MOFs).

Application

• Monomer for High-Performance Polymers: Serves as a key rigid-rod monomer for the synthesis of polyamides, polyimides, and polyesters, imparting high thermal stability and mechanical strength.
• Organic Semiconductor Precursor: Used in the development of n-type organic semiconductor materials and electron-transport layers for OLEDs and OFETs.
• Metal-Organic Framework (MOF) Synthesis: Acts as a versatile organic linker to construct porous MOFs with potential applications in gas storage, separation, and catalysis.
• Liquid Crystal Materials: A foundational component for creating rigid-core mesogens in advanced liquid crystal displays and optical materials.
• Crosslinking Agent: Utilized to introduce crosslinks into polymer networks, enhancing chemical resistance and dimensional stability.
• Pharmaceutical Intermediate: Employed in the research and development of complex active pharmaceutical ingredients (APIs) and diagnostic agents.

Basic Information

Product Name	5,5’-(Naphthalene-2,7-Diyl)Di(Isophthalic Acid)
CAS No.	1426343-45-4
Molecular Formula	C26H14O8
Molecular Weight	454.39 g/mol
Synonyms	2,2'-(Naphthalene-2,7-diyl)bis(5-carboxybenzoic acid); 2,7-Bis(3,5-dicarboxyphenyl)naphthalene; 5,5'-(2,7-Naphthalenediyl)diisophthalic acid; Naphthalene-2,7-diylbis(isophthalic acid); 2,7-Naphthalenediylbis(isophthalic acid); NDI-IPA; 2,7-NDI-dicarboxylic acid
EINECS	Contact for details

Quality Control

Our 5,5’-(Naphthalene-2,7-Diyl)Di(Isophthalic Acid) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure high purity and batch-to-batch consistency, meeting the stringent requirements for research and advanced material synthesis. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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