Description

9-Hydroxy-1,8-Naphthalide is a high-purity organic chemical intermediate characterized by its fused aromatic structure. This compound matters as a versatile building block for synthesizing more complex molecules, particularly in the development of functional dyes, pigments, and advanced materials. Industries such as specialty chemicals, pharmaceutical research, and material science require this precise intermediate for its role in creating compounds with specific optical or electronic properties.

Application

• Key Intermediate for Functional Dyes & Pigments: Serves as a crucial precursor in the synthesis of naphthalimide-based dyes, fluorescent brighteners, and colorants for textiles and plastics.
• Pharmaceutical Research & Development: Used as a building block in medicinal chemistry for creating potential pharmacologically active molecules, including those with anti-cancer or diagnostic imaging properties.
• Organic Electronic Materials: Acts as a starting material for developing organic semiconductors, light-emitting diodes (OLEDs), and other advanced optoelectronic components.
• Chemical Sensors and Probes: Utilized in the design of fluorescent chemosensors and biological probes due to the modifiable naphthalimide fluorophore core.
• Academic & Industrial Research: Employed in synthetic organic chemistry laboratories for method development and exploring new chemical reactions.
• Polymer Additives: Can be incorporated into polymer chains to impart specific characteristics like UV absorption or fluorescence.

Basic Information

Product Name	9-Hydroxy-1,8-Naphthalide
CAS No.	5656-90-6
Molecular Formula	C₁₄H₈O₃
Molecular Weight	224.21 g/mol
Synonyms	9-Hydroxy-1H-benzo[de]isochromene-1,3(2H)-dione; 9-Hydroxyperylene-3,4-dicarboximide; 9-Hydroxynaphthalimide; 1,8-Naphthalic Anhydride, 9-hydroxy-; 9-Hydroxy-1,8-naphthalic anhydride; 9-Hydroxy-1,8-naphthalenedicarboximide; 9-Hydroxybenzo[de]isochromene-1,3-dione
EINECS	Contact for details

Quality Control

Our 9-Hydroxy-1,8-Naphthalide is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation by FT-IR and NMR, to ensure it meets precise customer specifications and high industry standards. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (typically 15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
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.