Description

Naphthalene-1,5-Dicarboxylic Acid CAS NO 7315-96-0 is a high-purity aromatic dicarboxylic acid derivative, serving as a critical building block for advanced organic synthesis. This compound is valued for its rigid, angular structure, which imparts unique properties to the resulting polymers and specialty chemicals. It is primarily sought by R&D chemists and manufacturers in the polymer, pharmaceutical, and advanced materials sectors for creating high-performance polyamides, polyesters, and liquid crystal polymers.

Application

• Polymer Synthesis: A key monomer for producing high-temperature resistant and high-strength engineering plastics, such as specialty naphthalate polyesters and polyamides (aramids).
• Pharmaceutical Intermediates: Used in the synthesis of active pharmaceutical ingredients (APIs) and complex organic molecules due to its functionalized aromatic core.
• Liquid Crystal Polymers (LCPs): Acts as a rigid-rod monomer component to enhance the thermal stability and mechanical properties of LCPs for electronics and precision molding.
• Dye & Pigment Manufacturing: Serves as a precursor for synthesizing high-performance dyes and organic pigments with excellent color fastness.
• Metal-Organic Frameworks (MOFs): Utilized as an organic linker in the construction of porous MOF materials for gas storage, separation, and catalysis.
• Epoxy Resin Hardeners: Can be formulated into acid-based hardeners to improve the heat resistance and chemical stability of epoxy resin systems.

Basic Information

Product Name	Naphthalene-1,5-Dicarboxylic Acid
CAS No.	7315-96-0
Molecular Formula	C12H8O4
Molecular Weight	216.19 g/mol
Synonyms	1,5-Naphthalenedicarboxylic Acid; Naphthalene-1,5-dioic Acid; 1,5-NDA; 1,5-Naphthalic Acid; 1,5-Benzenedicarboxylic Acid (related); NDCA; 1,5-Naphthalene Dicarboxylate (anion form)
EINECS	Contact for details

Quality Control

Our Naphthalene-1,5-Dicarboxylic Acid is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for advanced synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and consistency for your critical applications.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.1%
Single Unknown 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.