Description

1,4,5,8-Naphthalenetetracarboxylic Acid 1,8-Monoanhydride is a high-purity, versatile organic intermediate of significant industrial importance. Its unique polycyclic aromatic structure makes it a critical building block for synthesizing advanced functional materials. This compound is essential for manufacturers and R&D facilities in the electronics, specialty polymer, and advanced pigment sectors seeking to develop next-generation products.

Application

• Polyimide Precursor: A key monomer for synthesizing high-performance, heat-resistant polyimide films and resins used in flexible electronics and aerospace.
• Organic Semiconductor Material: Serves as a fundamental building block for n-type organic semiconductors and electron-transport materials in OLEDs and OFETs.
• Pigment and Dye Intermediate: Used in the production of high-grade perylene-based pigments and vat dyes known for exceptional lightfastness and color stability.
• Liquid Crystal Materials: Employed in the synthesis of components for liquid crystal displays (LCDs) and other optoelectronic devices.
• Pharmaceutical Intermediate: Acts as a sophisticated synthon in the research and development of complex active pharmaceutical ingredients (APIs).
• Research & Development: A valuable tool in academic and industrial R&D for exploring novel conjugated molecules and supramolecular chemistry.

Basic Information

Product Name	1,4,5,8-Naphthalenetetracarboxylic Acid 1,8-Monoanhydride
CAS No.	52671-72-4
Molecular Formula	C14H4O7
Molecular Weight	284.18 g/mol
Synonyms	1,8-Naphthalenetetracarboxylic 1,8-Anhydride; 1,4,5,8-Naphthalenetetracarboxylic Dianhydride (partial anhydride form); NTCDA Monoanhydride; 1H,3H-Naphtho[1,8-cd]pyran-1,3,5,7-tetrone; 4,5-Dicarboxy-1,8-naphthalic Anhydride; Perylenetetracarboxylic Acid Monoanhydride (common name); 1,8-NTCDA
EINECS	Contact for details

Quality Control

Our 1,4,5,8-Naphthalenetetracarboxylic Acid 1,8-Monoanhydride is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR, to ensure it meets exacting standards for high-value applications. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

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). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (IR)	Conforms to structure
Purity (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.