Description

3-Amino-4-Hydroxy-1,8-Naphthalic Anhydride is a high-purity, functionalized naphthalimide derivative that serves as a critical advanced intermediate for the synthesis of complex organic molecules. Its unique bifunctional structure, featuring both amino and hydroxyl groups on the naphthalic anhydride core, makes it a versatile building block for creating materials with tailored optical and electronic properties. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty dyes and pigments industries, where it is used to develop novel active ingredients and functional colorants.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting specific biological pathways where the naphthalimide scaffold is active.
• Agrochemical Synthesis: Used to develop advanced active ingredients for crop protection products, leveraging its functional groups for structural modification.
• Functional Dye & Pigment Production: Core building block for creating high-performance dyes, fluorescent markers, and pigments with specific light-absorption and emission characteristics.
• Organic Semiconductor Materials: Intermediate in the production of organic light-emitting diodes (OLEDs) and other electronic materials due to its conjugated aromatic system.
• Chemical Sensor Development: Utilized in the design of chemosensors and biosensors where its fluorescence properties can be modulated by specific analytes.
• Research & Development: Serves as a valuable reagent in academic and industrial R&D for exploring new chemical entities and material science applications.

Basic Information

Product Name	3-Amino-4-Hydroxy-1,8-Naphthalic Anhydride
CAS No.	134870-46-5
Molecular Formula	C₁₂H₇NO₄
Molecular Weight	229.19 g/mol
Synonyms	3-Amino-4-hydroxybenzo[de]isochromene-1,3-dione; 4-Hydroxy-3-amino-1,8-naphthalic anhydride; 3-Amino-4-hydroxy-1,8-naphthalenedicarboxylic anhydride; AHNA; 1H-Benz[de]isochromene-1,3(2H)-dione, 3-amino-4-hydroxy-; 3-Amino-4-hydroxynaphthalene-1,8-dicarboxylic anhydride
EINECS	Contact for details

Quality Control

Every batch of 3-Amino-4-Hydroxy-1,8-Naphthalic Anhydride is produced and tested under a strict quality management system. Our products undergo rigorous quality testing, including advanced chromatographic and spectroscopic methods, to ensure compliance with industry standards and customer-specific requirements. Certificates of Analysis (COA) documenting purity, identity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); therefore, the container must be kept tightly sealed after opening to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	Yellow to orange powder or crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 1.0%
Total Impurities (HPLC)	≤ 3.0%

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