Description

Naphthalene, 1,5-Difluoro- CAS NO 315-58-2 is a fluorinated aromatic compound that serves as a versatile and valuable building block in advanced organic synthesis. Its unique structure, featuring fluorine atoms at the 1 and 5 positions, makes it a critical intermediate for creating complex molecules with tailored electronic and physical properties. This high-purity intermediate is essential for research and development chemists and process engineers in the pharmaceutical, agrochemical, and advanced materials sectors.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of active pharmaceutical ingredients (APIs), particularly in the development of fluorine-containing drugs where the fluorine atoms can enhance metabolic stability and bioavailability.
• Agrochemical Synthesis: Used in the production of advanced herbicides, pesticides, and fungicides, leveraging the fluorine substituents to improve product efficacy and environmental profile.
• Liquid Crystal & OLED Materials: Serves as a core structure in the development of fluorinated liquid crystals and organic light-emitting diode (OLED) materials, where it helps fine-tune electronic properties and stability.
• Polymer & Specialty Chemicals: Acts as a monomer or modifier in the synthesis of high-performance polymers, coatings, and specialty chemicals requiring specific thermal or chemical resistance.
• Organic Synthesis & Catalysis: A valuable substrate in cross-coupling reactions (e.g., Suzuki, Stille) and other metal-catalyzed transformations for constructing complex polycyclic aromatic systems.
• Research & Development: Used in academic and industrial R&D labs as a standard or starting material for exploring new synthetic methodologies and fluorine chemistry.

Basic Information

Product Name	Naphthalene, 1,5-Difluoro-
CAS No.	315-58-2
Molecular Formula	C₁₀H₆F₂
Molecular Weight	164.15 g/mol
Synonyms	1,5-Difluoronaphthalene; 1,5-Difluoronaphthalin; 1,5-F₂-Naphthalene; Naphthalene, 1,5-difluoro-; 315-58-2; 1,5-Difluoronaphtalene; 1,5-Difluoronaphtaline; 1,5-Difluoronaftaleno
EINECS	206-257-5

Quality Control

Every batch of our 1,5-Difluoronaphthalene is manufactured and tested under a strict quality management system. We provide comprehensive analytical data to ensure the material meets the precise requirements of your synthesis. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is supplied with each shipment, confirming compliance with agreed specifications.

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 strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥98.0%
Melting Point	95 - 99 °C
Related Substances (HPLC)	Total impurities ≤2.0%
Residual Solvents (GC)	Meets ICH guidelines

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