Description

Naphthalene, 2,7-Diethynyl CAS NO 113705-27-4 is a specialized diethynyl-substituted naphthalene derivative, a key building block in advanced organic synthesis. This compound is valued for its rigid, linear structure and conjugated ethynyl groups, which are critical for constructing functional organic materials. It is primarily sought by researchers and manufacturers in the fields of organic electronics, polymer chemistry, and materials science for developing novel polymers, ligands, and molecular frameworks.

Application

• Organic Semiconductor Precursor: A fundamental monomer for synthesizing conjugated polymers and small molecules used in OLEDs, OFETs, and organic photovoltaic cells.
• Metal-Organic Framework (MOF) Linker: Serves as a rigid, linear organic linker to construct porous coordination polymers with tailored electronic properties.
• Polymer Chemistry: Used in step-growth polymerization reactions, such as Sonogashira coupling, to create high-performance poly(arylene ethynylene)s (PAEs) and other acetylene-based polymers.
• Ligand Synthesis: Acts as a backbone for creating sophisticated polytopic ligands in coordination chemistry and catalysis.
• Materials Research: Employed in academic and industrial R&D for exploring new carbon-rich materials, molecular wires, and advanced functional nanostructures.
• Pharmaceutical Intermediates: Potential use as a synthetic intermediate in the development of complex bioactive molecules and drug candidates.

Basic Information

Product Name	Naphthalene, 2,7-Diethynyl
CAS No.	113705-27-4
Molecular Formula	C₁₄H₆
Molecular Weight	174.20 g/mol
Synonyms	2,7-Diethynylnaphthalene; 1,4-Diethynylnaphthalene; Naphthalene-2,7-diylbis(ethyne); 2,7-Bis(ethynyl)naphthalene; 2,7-Naphthalenediylbis(acetylene); 2,7-Diethynylnaphthalin; 2,7-Naphthalenediyldiacetylene
EINECS	Contact for details

Quality Control

Our Naphthalene, 2,7-Diethynyl is produced and handled under strict quality protocols to ensure batch-to-batch consistency and high purity for research and development applications. Each lot undergoes comprehensive analytical characterization. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided to guarantee material integrity for your sensitive synthetic work.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at controlled room temperature (15-25°C) in a cool, dry, and well-ventilated place. Due to its sensitivity to light and oxidation, prolonged exposure to air and light should be avoided to maintain product stability.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details

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