Description

1-Ethynylnaphthalene is a specialized aromatic acetylene derivative, serving as a versatile and high-value building block in advanced organic synthesis. Its unique structure, featuring a reactive ethynyl group fused to a naphthalene ring system, makes it a critical precursor for constructing complex molecular architectures. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and materials science sectors, particularly for developing novel active ingredients and functional organic materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, especially in oncology and CNS research.
• Agrochemical Synthesis: Used in creating advanced pesticides and herbicides with specific activity profiles.
• Organic Electronic Materials: Serves as a precursor for organic semiconductors, OLED (Organic Light-Emitting Diode) materials, and conductive polymers.
• Ligand & Catalyst Development: Employed in the preparation of specialized ligands for transition metal catalysis and organometallic chemistry.
• Polymer & Resin Chemistry: Acts as a monomer or cross-linking agent for producing high-performance, heat-resistant polymers.
• Fluorescent Dye & Probe Synthesis: Used to create naphthalene-based fluorescent markers and sensors for biological and chemical detection.
• Academic & R&D: A valuable reagent for methodological development in synthetic organic chemistry and material science research.

Basic Information

Item	Detail
Product Name	1-Ethynylnaphthalene
CAS No.	15727-65-8
Molecular Formula	C₁₂H₈
Molecular Weight	152.19 g/mol
Synonyms	1-Naphthylethyne; (Naphthalen-1-yl)ethyne; 1-Naphthalenylacetylene; Ethynyl-1-naphthalene; 1-Ethynyl-naphthalene; α-Ethynylnaphthalene; 1-(Ethynyl)naphthalene
EINECS	Contact for details

Quality Control

Our 1-Ethynylnaphthalene is produced under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to verify identity and purity against established specifications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment. We support cGMP compliance for pharmaceutical applications and can tailor quality protocols to meet specific customer and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from heat, sparks, and open flames. For long-term storage, consider maintaining under an inert atmosphere (e.g., nitrogen or argon) to prevent potential oxidation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Water Content (KF)	≤ 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.