Description

1,3,5-Tris(Trimethylsilylethynyl)Mesitylene is a highly functionalized, star-shaped organic building block featuring three trimethylsilyl-protected ethynyl groups symmetrically arranged around a mesitylene core. This compound is valued for its role as a key precursor in materials science, enabling the synthesis of advanced polymers and nanostructures with tailored electronic and optical properties. It is primarily sought by researchers and manufacturers in the fields of organic electronics, semiconductor materials, and supramolecular chemistry for developing novel functional materials.

Application

• Organic Semiconductor Precursor: Serves as a critical monomer for constructing conjugated polymers and small molecules used in organic field-effect transistors (OFETs) and organic photovoltaics (OPVs).
• Dendrimer and Hyperbranched Polymer Synthesis: Acts as a versatile core unit for building three-dimensional, highly branched macromolecular architectures.
• Metal-Organic Framework (MOF) Linker: Used to create functionalized ligands that impart unique porosity and reactivity to coordination polymers.
• Cross-coupling Reactions: The protected ethynyl groups are ideal for Sonogashira and other palladium-catalyzed coupling reactions to create extended π-conjugated systems.
• Surface Modification Agent: Employed to functionalize silicon, gold, or other material surfaces with organic layers for sensor or device applications.
• Research & Development: A valuable tool in academic and industrial R&D for exploring new carbon-rich materials and molecular electronics.

Basic Information

Item	Details
Product Name	1,3,5-Tris(Trimethylsilylethynyl)Mesitylene
CAS No.	216143-02-1
Molecular Formula	C24H36Si3
Molecular Weight	409.80 g/mol
Synonyms	1,3,5-Tris[(trimethylsilyl)ethynyl]benzene; Mesitylene, 1,3,5-tris[(trimethylsilyl)ethynyl]-; 1,3,5-Triethynyl-2,4,6-trimethylbenzene tris(trimethylsilyl) ether; TTSM; Tris(trimethylsilylethynyl)mesitylene
EINECS	Contact for details

Quality Control

Every batch of 1,3,5-Tris(Trimethylsilylethynyl)Mesitylene is manufactured and tested under strict quality management protocols to ensure high purity and batch-to-batch consistency. Our standard analytical suite includes HPLC, GC, NMR, and FT-IR for comprehensive identification and purity verification. A detailed Certificate of Analysis (COA) documenting all test results is provided with each shipment. We support custom purity grades and specifications to meet specific research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) when possible to prevent oxidation and moisture uptake. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC/GC)	≥ 97.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%

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