Description

1-Ethynyl-Naphthalene is a high-purity, specialized organic building block featuring a naphthalene core with an ethynyl substituent. This compound is valued for its role as a versatile intermediate in advanced organic synthesis, enabling the construction of complex molecular architectures. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and materials science industries for applications in drug discovery, ligand synthesis, and the development of organic electronic materials.

Application

• Pharmaceutical Intermediate: A key synthon for the synthesis of novel active pharmaceutical ingredients (APIs) and drug candidates, particularly in oncology and CNS research.
• Agrochemical Synthesis: Used in the research and development of new pesticides, herbicides, and plant growth regulators.
• Material Science Research: Serves as a precursor for organic semiconductors, conductive polymers, and advanced organic frameworks (MOFs/COFs).
• Ligand and Catalyst Development: Employed in the creation of specialized ligands for transition metal catalysis and asymmetric synthesis.
• Fluorescent Probe Synthesis: Acts as a building block for developing naphthalene-based fluorescent dyes and molecular sensors.
• Academic & Industrial R&D: A valuable reagent for methodological development in synthetic organic chemistry and cross-coupling reactions.

Basic Information

Product Name	1-Ethynyl-Naphthalene
CAS No.	304905-17-7
Molecular Formula	C₁₂H₈
Molecular Weight	152.19 g/mol
Synonyms	1-Ethynylnaphthalene; Naphthalen-1-ylethyne; 1-Naphthylethyne; 1-(Ethynyl)naphthalene; 1-Naphthaleneacetylene; Ethynyl-1-naphthalene
EINECS	Contact for details

Quality Control

Our 1-Ethynyl-Naphthalene is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and identity confirmation. A detailed Certificate of Analysis (COA) documenting purity, assay, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flames. For long-term storage under inert atmosphere, please contact our technical team for specific recommendations.

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.