Description

2,3-Naphthalenedicarboxylic Anhydride is a high-purity, versatile organic intermediate with the CAS number 716-39-2. This compound is valued for its rigid, fused aromatic structure, making it a critical building block for the synthesis of advanced materials and specialty chemicals. It is essential for manufacturers and R&D laboratories in the polymer, dyestuff, and pharmaceutical industries seeking to develop high-performance products.

Application

• Polymer & Resin Synthesis: Serves as a key monomer for producing high-temperature resistant polyimides, polyamides, and epoxy curing agents.
• Dyestuff & Pigment Manufacturing: Used as a precursor for synthesizing vivid and stable organic pigments and fluorescent dyes.
• Pharmaceutical Intermediates: Acts as a crucial building block in the synthesis of complex active pharmaceutical ingredients (APIs).
• Liquid Crystal & OLED Materials: Employed in the development of charge-transport materials and emissive layers for electronic displays.
• Organic Synthesis & Research: A valuable reagent for constructing naphthalene-based frameworks in academic and industrial R&D.
• Crosslinking Agent: Functions as a crosslinker to enhance the thermal and mechanical properties of specialty coatings and adhesives.

Basic Information

Product Name	2,3-Naphthalenedicarboxylic Anhydride
CAS No.	716-39-2
Molecular Formula	C₁₂H₆O₃
Molecular Weight	198.18 g/mol
Synonyms	2,3-Naphthalic Anhydride; 2,3-Naphthalenedicarboxylic Acid Anhydride; Naphthalene-2,3-dicarboxylic Anhydride; 2,3-NDA; 1H,3H-Naphtho[1,8-cd]pyran-1,3-dione; 1,8-Naphthalic Anhydride (isomer); Naphthalic Anhydride (mixed isomers); 2,3-Naphthalic Acid Anhydride
EINECS	211-944-2

Quality Control

Our 2,3-Naphthalenedicarboxylic Anhydride is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting specifications for industrial and research applications. A Certificate of Analysis (COA) detailing all quality parameters is provided with each shipment to guarantee traceability and consistency.

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); keep the container tightly sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	265 - 275 °C
Loss on Drying	≤ 1.0 %
Heavy Metals (as Pb)	≤ 20 ppm

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