Description

1,4,5,8-Naphthalenetetracarboxylic Acid Hydrate is a high-purity, polyfunctional aromatic acid derivative that serves as a critical building block in advanced organic synthesis. Its unique molecular structure, featuring four carboxylic acid groups, makes it an invaluable precursor for creating complex, high-performance materials. This compound is essential for manufacturers and research institutions in the organic electronics, specialty polymer, and advanced pigment industries.

Application

• Organic Semiconductor Precursor: A key intermediate in the synthesis of n-type organic semiconductor materials, perylene diimides (PDIs), and other naphthalene diimides (NDIs) for use in organic field-effect transistors (OFETs) and photovoltaics.
• High-Performance Pigments & Dyes: Used in the manufacture of vivid, thermally stable perylene-based pigments and vat dyes for automotive coatings, plastics, and high-quality inks.
• Polyimide and Polyamide Synthesis: Acts as a tetrafunctional monomer for producing high-temperature-resistant polymers, films, and adhesives with exceptional mechanical and dielectric properties.
• Liquid Crystal Materials: Employed in the development of discotic liquid crystals for electronic applications due to its rigid, planar core structure.
• Metal-Organic Frameworks (MOFs): Serves as a versatile organic linker for constructing porous coordination polymers with tailored properties for gas storage, separation, or catalysis.
• Chemical Research & Development: A fundamental reagent in academic and industrial R&D for exploring novel conjugated systems and functional materials.

Basic Information

Product Name	1,4,5,8-Naphthalenetetracarboxylic Acid Hydrate
CAS No.	199926-43-7
Molecular Formula	C14H8O8 · xH2O
Molecular Weight	304.21 (Anhydrous basis)
Synonyms	1,4,5,8-Naphthalenetetracarboxylic Acid; NTCA Hydrate; Naphthalene-1,4,5,8-tetracarboxylic Acid; 1,4,5,8-Naphthalene Tetracarboxylic Acid; Perylene Tetracarboxylic Dianhydride Precursor; 1,4,5,8-NTCA; Naphthalenetetracarboxylic Acid; 1,4,5,8-Naphthalenedicarboxylic-1,4:5,8-dianhydride Hydrolysis Product
EINECS	Contact for details

Quality Control

Our 1,4,5,8-Naphthalenetetracarboxylic Acid Hydrate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR, to ensure it meets exacting research and industrial-grade specifications. A detailed Certificate of Analysis (COA) documenting batch-specific results is provided with every shipment to guarantee traceability and consistency.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 5.0%
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.