Description

2-Ethynyl-Naphthalene 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 core, makes it a critical intermediate for constructing complex molecular architectures. This compound is essential for research and development in the pharmaceutical, agrochemical, and materials science sectors, where it is used to create novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in oncology and CNS research.
• Agrochemical Synthesis: Used in the development of new-generation pesticides and herbicides with enhanced efficacy.
• Organic Light-Emitting Diodes (OLEDs): Acts as a precursor for electron-transport materials and emissive layer components in display technologies.
• Polymer & Material Science: Serves as a monomer or cross-linking agent for creating specialty polymers with tailored thermal and optical properties.
• Ligand Synthesis: Utilized in organometallic chemistry to create sophisticated ligands for catalysis.
• Academic & Industrial R&D: Fundamental reagent for methodological development and exploration of new chemical reactions in laboratories worldwide.

Basic Information

Product Name	2-Ethynyl-Naphthalene
CAS No.	123333-47-1
Molecular Formula	C₁₂H₈
Molecular Weight	152.19 g/mol
Synonyms	2-Ethynylnaphthalene; Naphthalen-2-ylethyne; 2-Naphthylethyne; 2-(Ethynyl)naphthalene; 2-Ethynylnaphthalin; 2-Naphthylacetylene; 2-Acetylenylnaphthalene
EINECS	Contact for details

Quality Control

Our 2-Ethynyl-Naphthalene is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. We employ advanced analytical techniques, including GC, HPLC, and NMR, to verify identity and quantify impurities. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment to support your quality assurance and regulatory needs.

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. Due to its light-sensitive nature, prolonged exposure to light should be avoided.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Heavy Metals	< 20 ppm
Residual Solvents (GC)	Complies with ICH guidelines

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