Description

4-Nitro-1,8-Naphthalenedicarboxylic Acid is a high-purity, functionalized naphthalene derivative serving as a critical synthetic intermediate. Its value lies in the strategic positioning of the nitro and dicarboxylic acid functional groups, which enable precise chemical modifications for advanced material synthesis. This compound is essential for research and industrial chemists in the pharmaceutical, agrochemical, and specialty dye sectors who require a reliable building block for creating complex molecules and functional polymers.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of naphthalimide-based active pharmaceutical ingredients (APIs) and diagnostic agents.
• Agrochemical Synthesis: Building block for developing novel herbicides and plant growth regulators that leverage the naphthalene core structure.
• Functional Dye & Pigment Manufacturing: Core intermediate for producing high-performance, nitro-substituted naphthalic dyes with specific light-absorption properties.
• Organic Light-Emitting Diode (OLED) Materials: Used in the research and development of electron-transport or emissive layer materials for display technologies.
• Polymer & Resin Modifier: Serves as a monomer or cross-linking agent to introduce aromatic rigidity and polar functional groups into polymer chains.
• Chemical Research & Development: Versatile substrate for methodological studies in organic synthesis, including nitration, amidation, and cyclization reactions.
• Liquid Crystal & Electronic Chemical Production: Intermediate for synthesizing aromatic components used in liquid crystal displays and other electronic materials.

Basic Information

Product Name	4-Nitro-1,8-Naphthalenedicarboxylic Acid
CAS No.	5425-83-2
Molecular Formula	C₁₂H₇NO₆
Molecular Weight	261.19 g/mol
Synonyms	1,8-Naphthalenedicarboxylic acid, 4-nitro-; 4-Nitro-1,8-naphthalic acid; 4-Nitronaphthalene-1,8-dicarboxylic acid; 4-Nitroperylene-3,4-dicarboxylic acid (obsolete); 4-Nitro-1,8-NDA; 4-Nitro-1,8-naphthalic anhydride (precursor form); 5425-83-2; NSC 403107
EINECS	226-577-6

Quality Control

Our 4-Nitro-1,8-Naphthalenedicarboxylic Acid 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 spectroscopy, to ensure it meets exacting industry and research standards. A detailed Certificate of Analysis (COA) documenting all test results is provided with every shipment to guarantee traceability and batch-to-batch 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). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, the container should be opaque or stored in dark conditions.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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