Description

1,3,5-Tris((trimethylsilyl)ethynyl)benzene is a highly functionalized aromatic building block featuring three trimethylsilyl-protected ethynyl groups in a symmetrical 1,3,5-substitution pattern. This compound matters as a key precursor in materials science and organic synthesis, offering a rigid, star-shaped core for constructing advanced molecular architectures. It is essential for researchers and manufacturers in the fields of organic electronics, supramolecular chemistry, and the development of novel porous materials and metal-organic frameworks (MOFs).

Application

• Organic Semiconductor Precursor: Serves as a core unit for synthesizing conjugated dendrimers and star-shaped molecules used in organic light-emitting diodes (OLEDs) and photovoltaic cells.
• Metal-Organic Framework (MOF) Linker: Acts as a versatile organic linker, where the ethynyl groups can be deprotected to form acetylene-based struts for constructing porous, crystalline frameworks for gas storage and separation.
• Supramolecular Chemistry Building Block: Utilized to create shape-persistent, three-dimensional scaffolds for host-guest chemistry and the self-assembly of complex nanostructures.
• Cross-coupling Reactions: The trimethylsilyl-protected alkynes are ideal substrates for Sonogashira and other cross-coupling reactions to create extended π-conjugated systems.
• Ligand Synthesis: Used in the preparation of multidentate ligands for catalysis and the formation of organometallic complexes with unique photophysical properties.
• Polymer Chemistry: Functions as a trifunctional monomer for the synthesis of hyperbranched polymers and networks with tailored thermal and mechanical properties.

Basic Information

Product Name	1,3,5-Tris((trimethylsilyl)ethynyl)benzene
CAS No.	18772-58-2
Molecular Formula	C21H30Si3
Molecular Weight	366.73 g/mol
Synonyms	1,3,5-Triethynyl-2,4,6-tris(trimethylsilyl)benzene; Benzene, 1,3,5-tris[(trimethylsilyl)ethynyl]-; 1,3,5-Tris(2-trimethylsilylethynyl)benzene; TMS-Ethynyl Benzene Derivative; Tris(trimethylsilylethynyl)benzene; Star-shaped TMS-acetylene benzene
EINECS	Contact for details

Quality Control

Our 1,3,5-Tris((trimethylsilyl)ethynyl)benzene is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, GC, NMR, and FT-IR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are available upon request to support your R&D and quality assurance requirements.

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 flame. The compound is light-sensitive and should be handled under an inert atmosphere for long-term stability.

Specification

Item	Specification
Appearance	White to off-white 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.