Description

1,3,5,7-Naphthalenetetracarboxylic Acid is a high-purity, multifunctional aromatic carboxylic acid derivative characterized by its four symmetrically arranged carboxyl groups. This compound serves as a critical advanced organic intermediate for the synthesis of complex polycyclic structures and high-performance materials. It is primarily sought by R&D and production teams in the pharmaceutical, agrochemical, and specialty polymer industries for developing novel compounds with tailored properties.

Application

• Pharmaceutical Intermediate: A key building block for synthesizing complex active pharmaceutical ingredients (APIs), particularly those with polycyclic or rigid molecular frameworks.
• Agrochemical Synthesis: Used in the research and development of advanced herbicides, fungicides, and plant growth regulators requiring specific aromatic backbones.
• Polyimide and Polyamide Precursor: Serves as a monomer for producing high-temperature-resistant polymers, films, and coatings used in electronics and aerospace.
• Organic Semiconductor Material: Investigated as a core component for organic light-emitting diodes (OLEDs) and other electronic devices due to its conjugated structure.
• Metal-Organic Framework (MOF) Synthesis: Acts as a versatile organic linker for constructing porous coordination polymers with applications in gas storage and catalysis.
• Dye and Pigment Intermediate: Utilized in the synthesis of high-performance, complex organic colorants and fluorescent dyes.
• Cross-linking Agent: Employed in the formulation of specialty resins and adhesives to enhance thermal and mechanical properties.
• Research & Development: A valuable reagent in academic and industrial laboratories for exploring new synthetic pathways and material science applications.

Basic Information

Product Name	1,3,5,7-Naphthalenetetracarboxylic Acid
CAS No.	54201-52-4
Molecular Formula	C14H6O8
Molecular Weight	302.19 g/mol
Synonyms	1,3,5,7-Naphthalenetetracarboxylic Acid; Naphthalene-1,3,5,7-tetracarboxylic Acid; 1H,3H,5H,7H-Naphtho[1,2-c:4,5-c']difuran-1,3,5,7-tetrone; NTCA; Naphthalene Tetracarboxylic Acid; 1,3,5,7-NTCA; 1,3,5,7-Naphthalene Tetracarboxylic Dianhydride precursor
EINECS	Contact for details

Quality Control

Our 1,3,5,7-Naphthalenetetracarboxylic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure high purity and consistent performance. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality commitment supports applications requiring reliable and traceable raw materials.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under dry conditions to prevent degradation. Keep away from incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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