Description

Pyrazine, 2,5-Diethynyl- (9Ci) is a specialized organic building block featuring a pyrazine core symmetrically functionalized with ethynyl groups. This compound matters for its role as a key precursor in the synthesis of advanced materials, particularly conjugated polymers and molecular frameworks for electronic applications. It is primarily needed by researchers and manufacturers in the fields of organic electronics, materials science, and pharmaceutical intermediate development.

Application

• Key monomer for synthesizing conjugated polymers used in Organic Light-Emitting Diodes (OLEDs) and organic photovoltaic cells.
• Building block for constructing Metal-Organic Frameworks (MOFs) and covalent organic frameworks (COFs) with tailored porosity and electronic properties.
• Precursor in the development of pharmaceutical intermediates and active pharmaceutical ingredients (APIs), particularly for nitrogen-containing heterocycles.
• Used in materials research for creating molecular wires and advanced sensors due to its rigid, linear ethynyl linkages.
• Intermediate for ligand synthesis in coordination chemistry and catalysis.
• Component in the research and development of non-linear optical (NLO) materials.

Basic Information

Product Name	Pyrazine, 2,5-Diethynyl- (9Ci)
CAS No.	649774-86-7
Molecular Formula	C8H4N2
Molecular Weight	128.13 g/mol
Synonyms	2,5-Diethynylpyrazine; 2,5-Bis(ethynyl)pyrazine; 1,4-Bis(ethynyl)-2,5-diazabenzene; Pyrazine, 2,5-diethynyl-; 2,5-Diethynyl-1,4-diazine
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. We provide comprehensive analytical data to support research and development. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request for every batch.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place. Recommended storage temperature is 2-8°C for long-term stability. Handle and store under an inert atmosphere to prevent potential degradation.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95%
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.