Description

1,4,5,8-Naphthalenetetracarboxylic Acid is a high-purity, polyfunctional aromatic carboxylic acid derivative serving as a critical building block in advanced material synthesis. Its rigid, planar structure and four reactive carboxyl groups make it an essential precursor for creating high-performance pigments and functional polymers. This compound is primarily sought by manufacturers and R&D laboratories in the organic electronics, specialty dyes, and polymer industries.

Application

• Perylene-Based Pigments & Dyes: A key intermediate for synthesizing high-grade perylene tetracarboxylic diimide (PTCDI) pigments, known for exceptional lightfastness and thermal stability used in automotive paints, plastics, and artists' colors.
• Organic Semiconductor Materials: Serves as a core building block for n-type organic semiconductors and electron-transport materials in OLEDs, organic photovoltaics (OPVs), and field-effect transistors (OFETs).
• Polyimide and Polyamide Polymers: Used to manufacture high-temperature, high-strength engineering plastics and films with excellent chemical and thermal resistance for aerospace and electronics applications.
• Liquid Crystal Materials: Acts as a precursor for discotic liquid crystals utilized in optical films and electronic displays.
• Metal-Organic Frameworks (MOFs): Employed as a versatile organic linker to construct porous MOF materials for gas storage, separation, and catalysis.
• Chemical Research & Synthesis: A valuable starting material in academic and industrial research for developing novel conjugated systems and functional organic molecules.

Basic Information

Product Name	1,4,5,8-Naphthalenetetracarboxylic Acid
CAS No.	128-97-2
Molecular Formula	C14H6O8
Molecular Weight	302.19 g/mol
Synonyms	1,4,5,8-Naphthalenetetracarboxylic Acid; NTCA; Naphthalene-1,4,5,8-tetracarboxylic Acid; 1,4,5,8-Naphthalene Tetracarboxylic Acid; Pyromellitic Acid, Naphthalene-; 1,4,5,8-Naphthalenetetracarboxylic Dianhydride Precursor; 1,4,5,8-Tetracarboxynaphthalene
EINECS	204-916-7

Quality Control

Our 1,4,5,8-Naphthalenetetracarboxylic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting specifications for advanced material synthesis. Certificates of Analysis (COA) documenting all critical parameters are provided with every shipment.

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). Keep away from strong bases and oxidizing agents. The material is moisture-sensitive; ensure containers are sealed after use to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Off-white to light yellow 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.