Description

n-Hydroxy-1,8-Naphthalimide is a versatile organic intermediate and functional compound characterized by its fused aromatic imide structure. This compound matters for its role as a key precursor in the synthesis of advanced materials, including fluorescent dyes, optical brighteners, and photoactive polymers. Industries such as specialty chemicals, advanced material science, and analytical reagent manufacturing require this high-purity building block for research and production.

Application

• Fluorescent Dye & Pigment Synthesis: Serves as a core scaffold for developing naphthalimide-based fluorescent probes and colorants.
• Optical Brightening Agents (OBAs): Used in the manufacture of brighteners for paper, textiles, and detergents.
• Photoinitiators & Photoresists: Acts as a functional component in light-sensitive formulations for electronics and printing.
• Organic Light-Emitting Diodes (OLEDs): Employed as an intermediate in the synthesis of electron-transport or emissive layer materials.
• Chemical Sensors: Utilized to construct chelating agents and molecular sensors for metal ion detection.
• Pharmaceutical Intermediates: Functions as a building block in the research and development of active pharmaceutical ingredients (APIs).
• Polymer Modification: Incorporated into polymer chains to impart specific optical or chemical properties.
• Analytical Reagents & Standards: Used as a high-purity reference standard in chromatographic and spectroscopic analysis.

Basic Information

Product Name	n-Hydroxy-1,8-Naphthalimide
CAS No.	7797-81-1
Molecular Formula	C₁₂H₇NO₃
Molecular Weight	213.19 g/mol
Synonyms	1H-Benz[de]isoquinoline-1,3(2H)-dione, 2-hydroxy-; 2-Hydroxy-1H-benz[de]isoquinoline-1,3(2H)-dione; 2-Hydroxybenzo[de]isoquinoline-1,3-dione; N-Hydroxynaphthalimide; N-Hydroxy-1,8-naphthalenedicarboximide; 1,8-Naphthalimide, N-hydroxy-; Hydroxynaphthalimide
EINECS	Contact for details

Quality Control

Our n-Hydroxy-1,8-Naphthalimide is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation by FT-IR and NMR spectroscopy, to ensure it meets exacting standards for research and industrial use. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment.

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). This material is light-sensitive and should be handled and stored away from direct light exposure to maintain stability.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	285 - 295 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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