Description

2,6-Naphthalenedicarboxylic Acid CAS NO 1141-38-4 is a high-purity aromatic dicarboxylic acid derivative, serving as a critical monomer and intermediate in advanced polymer synthesis. Its rigid, linear molecular structure is essential for creating materials with superior thermal stability, mechanical strength, and chemical resistance. This compound is primarily sought by manufacturers in the polymer, specialty chemical, and advanced materials industries for high-performance applications.

Application

• Polymer Synthesis: A key monomer for producing high-performance polymers like Polyethylene Naphthalate (PEN) and Liquid Crystal Polymers (LCPs), used in films, fibers, and engineering plastics.
• Advanced Materials: Used in the manufacture of heat-resistant resins, specialty polyamides, and polyesters for automotive and aerospace components.
• Organic Synthesis: Serves as a versatile building block for synthesizing complex organic molecules, dyes, and pigments.
• Pharmaceutical Intermediates: Employed in the research and development of active pharmaceutical ingredients (APIs) and other fine chemicals.
• Chemical Research: Utilized in academic and industrial R&D for developing new catalysts and functional materials.
• Specialty Additives: A precursor for additives that enhance the properties of coatings and composites.

Basic Information

Product Name	2,6-Naphthalenedicarboxylic Acid
CAS No.	1141-38-4
Molecular Formula	C₁₂H₈O₄
Molecular Weight	216.19 g/mol
Synonyms	2,6-NDA; 2,6-Naphthalic Acid; Naphthalene-2,6-dicarboxylic Acid; 2,6-Bis(carboxy)naphthalene; 2,6-Pyridinedicarboxylic Acid (related); 1,3-Benzenedicarboxylic Acid, 5,6,7,8-tetrahydro- (related); NDCA
EINECS	214-506-8

Quality Control

Our 2,6-Naphthalenedicarboxylic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for purity, identity, and impurity profiles. We provide Certificates of Analysis (COA) with every shipment, detailing key parameters such as assay, heavy metals, and residual solvents. Our quality commitment supports applications requiring high consistency, including polymer-grade and pharmaceutical intermediate uses.

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). Keep away from strong oxidizing agents, strong bases, and sources of ignition. The product may be hygroscopic; ensure containers are sealed after use to minimize moisture absorption.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.5%
Loss on Drying	≤ 0.5%
Residue on Ignition (Sulfated Ash)	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
Related Substances (HPLC)	Total impurities ≤ 1.0%
Melting Point	Contact for details

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