Description

4-Amino-1,8-Naphthalic Anhydride is a high-value, functionalized naphthalene derivative that serves as a critical intermediate in advanced organic synthesis. Its unique structure, featuring both an amino group and a reactive anhydride moiety, makes it a versatile precursor for creating complex molecules with tailored optical and electronic properties. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty materials sectors seeking to develop novel dyes, sensors, and active pharmaceutical ingredients (APIs).

Application

• Fluorescent Dye & Pigment Synthesis: A key building block for creating naphthalimide-based fluorescent dyes, probes, and colorants used in biological imaging, textile printing, and analytical chemistry.
• Pharmaceutical Intermediate: Serves as a precursor in the synthesis of various drug candidates and active pharmaceutical ingredients (APIs), particularly those with naphthalene-based scaffolds.
• Organic Light-Emitting Diodes (OLEDs): Used in the development of electron-transport materials and emissive layers for display and lighting technologies.
• Chemical Sensors: Employed to construct selective chemosensors and molecular probes for detecting metal ions, anions, or specific biomolecules due to its signaling capability.
• Agrochemical Research: Acts as an intermediate in the synthesis of novel herbicides, fungicides, or plant growth regulators.
• Polymer & Material Science: Incorporated into polymers to impart specific functionalities, such as fluorescence, or to modify thermal and mechanical properties.
• Academic & Industrial R&D: A valuable reagent for synthetic organic chemists exploring new reactions and constructing complex heterocyclic compounds.

Basic Information

Product Name	4-Amino-1,8-Naphthalic Anhydride
CAS No.	6492-86-0
Molecular Formula	C₁₂H₇NO₃
Molecular Weight	213.19 g/mol
Synonyms	4-Amino-1,8-naphthalenedicarboxylic anhydride; 4-Amino-1,8-naphthalic anhydride; 4-Amino-1,8-naphthalenedicarboxylic acid anhydride; 1,8-Naphthalic anhydride, 4-amino-; 4-Amino-1,8-naphthalimide precursor; 4-Amino-1,8-naphthalenedicarboxylic cyclic anhydride; 4-Amino-NA
EINECS	229-363-9

Quality Control

Our 4-Amino-1,8-Naphthalic Anhydride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity assessment and spectroscopic methods for structural confirmation, to ensure consistent quality and reliable performance in your applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials such as strong bases and oxidizing agents. The compound is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Yellow to orange powder or crystals
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 20 ppm

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