Description

1,4,5,8-Naphthalene Tetracarboxylic Acid 4,5-Anhydride is a high-purity, polyfunctional aromatic anhydride building block of significant industrial importance. Its rigid, planar structure and multiple reactive sites make it a critical precursor for the synthesis of advanced organic materials. This compound is essential for manufacturers and researchers in the fields of high-performance polymers, organic electronics, and specialty dyes and pigments.

Application

• Polyimide Precursor: A key monomer for synthesizing high-temperature, high-strength polyimide resins and films used in aerospace, electronics, and flexible displays.
• Organic Semiconductor Synthesis: Serves as a core building block for n-type organic semiconductors, perylene diimide (PDI) derivatives, and other electron-transport materials in OLEDs and organic photovoltaics.
• Pigment and Dye Intermediate: Used in the manufacture of high-grade perylene-based pigments and vat dyes known for exceptional lightfastness and chemical stability.
• Liquid Crystal Materials: Employed in the synthesis of polycyclic aromatic cores for advanced liquid crystal compounds.
• Crosslinking Agent: Functions as a crosslinker in epoxy and other thermosetting resin systems to enhance thermal and mechanical properties.
• Research & Development: A valuable intermediate in academic and industrial R&D for exploring novel conjugated molecules and supramolecular structures.

Basic Information

Product Name	1,4,5,8-Naphthalene Tetracarboxylic Acid 4,5-Anhydride
CAS No.	141193-56-8
Molecular Formula	C14H4O6
Molecular Weight	268.18 g/mol
Synonyms	1,4,5,8-Naphthalenetetracarboxylic 4,5-anhydride; NTCA 4,5-Anhydride; 4,5-Anhydro-1,4,5,8-naphthalenetetracarboxylic 1,8-anhydride; Naphthalene-1,4,5,8-tetracarboxylic acid 4,5-anhydride; 1,4,5,8-Naphthalenetetracarboxylic dianhydride, 4,5-monoanhydride; Perylene tetracarboxylic acid derivative precursor
EINECS	Contact for details

Quality Control

Our 1,4,5,8-Naphthalene Tetracarboxylic Acid 4,5-Anhydride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise specifications for advanced material synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, impurity profile, and physical data is 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). This material is hygroscopic (moisture-sensitive); keep the original container tightly sealed to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm

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