In the realm of advanced materials, the precise molecular design of building blocks is paramount. 2,4,6-Tris(4-ethynylphenyl)-1,3,5-triazine (TEPT), identified by CAS number 425629-22-7, is a prime example of such a critical intermediate. This article provides a chemical overview of TEPT, highlighting its structure, properties, and indispensable role in the synthesis of Covalent Organic Frameworks (COFs) and other advanced porous materials.

Molecular Structure and Key Features:

TEPT possesses a distinctive structure centered around a 1,3,5-triazine ring. This heterocyclic core is known for its thermal stability and electron-deficient character, which can be leveraged in material design. Attached to each carbon atom of the triazine ring are 4-ethynylphenyl groups. The ethynyl (-C≡CH) functionalities are the key to TEPT's utility in polymerization reactions. These terminal alkynes are highly reactive and can readily undergo various coupling reactions, most notably:

  • Sonogashira–Hagihara Cross-Coupling: This palladium-catalyzed reaction allows the ethynyl groups of TEPT to couple with aryl or vinyl halides, forming extended conjugated systems. This is a primary method for constructing Covalent Organic Frameworks (COFs).
  • Click Chemistry (e.g., Azide-Alkyne Cycloaddition): TEPT can also participate in 'click' reactions, forming triazole linkages when reacted with azides, which is another common pathway for COF synthesis and polymer formation.

The molecular formula of TEPT is C27H15N3, with a molecular weight of approximately 381.43 g/mol. Its physical appearance is typically described as a light yellow to yellow solid, indicating its nature as a well-defined organic compound.

Synthesis and Purity:

While the source materials and specific synthesis routes can vary, TEPT is often synthesized through multi-step organic synthesis pathways. The critical factor for its application in advanced materials is high purity. Impurities can disrupt the ordered polymerization process, leading to defective frameworks with compromised performance. Therefore, sourcing TEPT from a reputable manufacturer with stringent quality control is essential. We specialize in supplying TEPT with purity levels exceeding 97%, ensuring that researchers and developers can rely on its consistent quality for their demanding applications.

Applications in Advanced Materials:

The primary application of TEPT is as a linker or monomer for the synthesis of COFs. These materials offer a unique combination of properties derived from their ordered porous structure and the chemical nature of their constituent building blocks:

  • Tunable Porosity: The precisely controlled arrangement of TEPT units creates frameworks with specific pore sizes and surface areas, ideal for gas adsorption, separation, and storage.
  • Electronic and Optical Properties: The conjugated system formed by the triazine and phenyl rings can lead to interesting photophysical and electronic properties, making them candidates for organic electronics and sensing.
  • Catalytic Activity: Functionalization of the TEPT-based COF structure can yield highly active and stable heterogeneous catalysts.

For those seeking to buy this versatile linker, understanding its chemical properties is key to successful integration into your material synthesis protocols. We are a trusted supplier of TEPT, offering competitive prices and technical support to facilitate your procurement process.

If your research or industrial applications require high-quality 2,4,6-Tris(4-ethynylphenyl)-1,3,5-triazine, consider partnering with us. We are committed to providing the essential chemical intermediates that drive innovation in materials science.