Description

1,4-Naphthalenedicarboxylicacid (CAS NO 506-70-9) is a high-purity aromatic dicarboxylic acid derivative that serves as a critical building block in advanced organic synthesis. This compound is valued for its rigid, planar structure, which is essential for creating high-performance polymers and functional materials. It is primarily sought by R&D chemists and manufacturers in the polymer, pharmaceutical, and specialty chemical industries.

Application

• Polymer Intermediate: A key monomer for the synthesis of high-temperature resistant polymers, such as polyesters and polyamides (aramids), and liquid crystal polymers (LCPs).
• Pharmaceutical Synthesis: Used as a versatile precursor in the development of active pharmaceutical ingredients (APIs) and complex organic molecules.
• Organic Light-Emitting Diodes (OLEDs): Serves as a core structure in the synthesis of electron-transport or host materials for OLED displays and lighting.
• Dye and Pigment Manufacturing: Acts as an intermediate for producing high-value naphthalene-based dyes, pigments, and optical brighteners.
• Coordination Chemistry & Metal-Organic Frameworks (MOFs): Utilized as an organic linker for constructing MOFs with potential applications in gas storage, separation, and catalysis.
• Advanced Material Research: Employed in academic and industrial R&D for creating novel organic semiconductors and functional nanomaterials.

Basic Information

Product Name	1,4-Naphthalenedicarboxylicacid
CAS No.	506-70-9
Molecular Formula	C12H8O4
Molecular Weight	216.19 g/mol
Synonyms	1,4-Naphthalenedicarboxylic Acid; Naphthalene-1,4-dicarboxylic Acid; 1,4-NDA; 4-Carboxynaphthalene-1-carboxylic Acid; 1,4-Naphthalic Acid; 1,4-Dicarboxynaphthalene; 1,4-Naphthalene Dicarboxylic Acid; 1,4-Naphthalenedioic Acid
EINECS	208-052-2

Quality Control

Our 1,4-Naphthalenedicarboxylicacid is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and FTIR, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with every shipment, confirming compliance with agreed specifications. Custom synthesis and purity grades (e.g., >98%, >99%) are available to meet specific project requirements.

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). This product is hygroscopic (moisture-sensitive); the container must be kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

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

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