Description

2,3,6,7-Naphthalenetetracarboxylic Acid is a high-purity, polyfunctional aromatic carboxylic acid derivative, serving as a critical advanced intermediate for the synthesis of complex organic materials. Its value lies in its rigid, planar naphthalene core and four strategically positioned carboxyl groups, which enable precise molecular engineering. This compound is essential for researchers and manufacturers in the fields of organic electronics, high-performance polymers, and specialty dyes and pigments.

Application

• Organic Semiconductor Precursor: A key building block for n-type organic semiconductors, perylene diimide (PDI) derivatives, and other electron-transport materials used in OLEDs, OFETs, and organic photovoltaics.
• High-Performance Polymer Synthesis: Used to produce polyimides and polyamides with exceptional thermal stability, mechanical strength, and chemical resistance for aerospace, electronics, and automotive applications.
• Dye and Pigment Intermediate: Serves as a precursor for the synthesis of vivid, high-stability perylene-based pigments and vat dyes.
• Metal-Organic Framework (MOF) Construction: Acts as a versatile organic linker or precursor for creating MOFs with specific pore structures for gas storage, separation, and catalysis.
• Liquid Crystal Materials: Employed in the development of discotic liquid crystals for electronic applications due to its ability to form ordered columnar structures.
• Analytical Chemistry Reagent: Utilized as a derivatization agent or a standard in chromatographic analysis and other analytical techniques.

Basic Information

Product Name	2,3,6,7-Naphthalenetetracarboxylic Acid
CAS No.	42200-15-7
Molecular Formula	C14H6O8
Molecular Weight	302.19 g/mol
Synonyms	2,3,6,7-Naphthalene Tetracarboxylic Acid; Naphthalene-2,3,6,7-tetracarboxylic Acid; 2,3,6,7-NTCA; 1H,3H-Naphtho[1,8-cd:4,5-c'd']dipyran-1,3,6,8-tetrone, 4,9-dihydro-; Perylene-3,4,9,10-tetracarboxylic Acid (isomer); NTCA; Naphthalenetetracarboxylic Dianhydride precursor
EINECS	Contact for details

Quality Control

Our 2,3,6,7-Naphthalenetetracarboxylic Acid is manufactured 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 research and industrial synthesis. Certificates of Analysis (COA) detailing all specifications are 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). This product is hygroscopic (moisture-sensitive) and must be kept under dry, inert conditions to prevent degradation.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
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.