Description

1,3-Benzenedicarboxylic Acid, 5,5'-(1,5-Naphthalenediyl)Bis- is a high-purity, specialized aromatic dicarboxylic acid derivative designed for advanced material synthesis. This compound is valued for its rigid, extended molecular structure, making it a critical building block for high-performance polymers and functional materials. It is primarily sought by R&D and production teams in the pharmaceutical intermediates, liquid crystal polymers (LCP), and polyimide sectors.

Application

• Monomer for High-Performance Polymers: A key precursor in the synthesis of specialty polyamides, polyesters, and polyimides requiring exceptional thermal stability and mechanical strength.
• Liquid Crystal Polymer (LCP) Production: Used as a comonomer to enhance the thermal, chemical, and dimensional stability of LCPs for electronics and precision components.
• Pharmaceutical Intermediate: Serves as a sophisticated scaffold in the multi-step synthesis of complex active pharmaceutical ingredients (APIs) and drug candidates.
• Advanced Material Research: Employed in academic and industrial R&D for developing novel organic frameworks, coatings, and adhesives with tailored properties.
• Cross-linking Agent: Functions as a cross-linker in resin systems to improve network density and performance characteristics.

Basic Information

Product Name	1,3-Benzenedicarboxylic Acid, 5,5'-(1,5-Naphthalenediyl)Bis-
CAS No.	1895077-69-6
Molecular Formula	C26H14O8
Molecular Weight	454.39 g/mol
Synonyms	5,5'-(Naphthalene-1,5-diyl)diisophthalic Acid; 1,5-Bis(3,5-dicarboxyphenyl)naphthalene; [1,1':5',1''-Ternaphthalene]-5,5''-dicarboxylic Acid, 3,3''-dicarboxy-; Bis(3,5-dicarboxyphenyl)-1,5-naphthalene; Naphthalene-1,5-diylbis(1,3-benzenedicarboxylic acid); Terephthalic Acid, 1,5-Naphthalenediylbis- Derivative
EINECS	Contact for details

Quality Control

Every batch of our 1,3-Benzenedicarboxylic Acid, 5,5'-(1,5-Naphthalenediyl)Bis- is manufactured and tested under a strict quality management system. We provide comprehensive analytical data to ensure the material meets the precise requirements for advanced synthesis. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is supplied with each shipment to guarantee batch-to-batch consistency and support your quality assurance protocols.

Storage

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

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 10 ppm
Residue on Ignition	≤ 0.1%
Single Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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