Description

(4-((4-(Phenylethynyl)Phenyl)Ethynyl) Phenyl)Ethynyltrimethylsilane is a high-purity, functionalized organic compound featuring a conjugated ethynylphenyl backbone terminated with a trimethylsilyl protecting group. This compound is a critical advanced intermediate for synthesizing complex organic electronic materials and specialty polymers. It is essential for R&D and production in industries requiring tailored molecular architectures with specific electronic or steric properties. Key users include manufacturers and researchers in organic semiconductors, liquid crystal displays (LCDs), and advanced photoresists.

Application

• Organic Semiconductor Precursor: A key building block for synthesizing p-type or n-type organic semiconductor materials used in OLEDs, OFETs, and organic photovoltaics (OPVs).
• Liquid Crystal (LC) Material Synthesis: Serves as a rigid, linear core component for creating novel liquid crystal molecules with high thermal stability and birefringence for display applications.
• Polymer & Dendrimer Chemistry: Used in the construction of conjugated polymers, dendrimers, and molecular wires via Sonogashira or other cross-coupling reactions, imparting specific electronic characteristics.
• Advanced Photoresist & Patterning Agent: Employed in the development of next-generation photoresists for micro- and nano-lithography in semiconductor manufacturing.
• Metal-Organic Framework (MOF) Linker: Acts as a functionalized organic linker to create MOFs with unique porosity and electronic properties for gas storage or catalysis.
• Fluorescent Dye & Sensor Development: Utilized as a core structure for synthesizing fluorescent probes and chemosensors due to its extended π-conjugation system.
• Academic & Industrial R&D: A valuable reagent for fundamental research in materials science, supramolecular chemistry, and organic synthesis.

Basic Information

Product Name	(4-((4-(Phenylethynyl)Phenyl)Ethynyl) Phenyl)Ethynyltrimethylsilane
CAS No.	518342-75-1
Molecular Formula	C27H22Si
Molecular Weight	374.55 g/mol
Synonyms	1-((4-((4-(Phenylethynyl)phenyl)ethynyl)phenyl)ethynyl)trimethylsilane; Trimethyl[4-((4-(phenylethynyl)phenyl)ethynyl)phenylethynyl]silane; TMS-Terminated Triplyne Derivative; 4,4',4''-Triethynyltriphenylsilane derivative; (4-((4-(Phenylethynyl)Phenyl)Ethynyl)Phenyl)Ethynyl-trimethylsilane; TMS-Protected Triarylacetylene; 1,1',1''-(Benzene-1,3,5-triyl)tris(ethyne-2,1-diyl)tris(trimethylsilane) related compound
EINECS	Contact for details

Quality Control

Our production of (4-((4-(Phenylethynyl)Phenyl)Ethynyl) Phenyl)Ethynyltrimethylsilane adheres to stringent internal quality protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical characterization, including HPLC, GC, NMR, and mass spectrometry. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting purity, identity, and impurity profiles. We support custom synthesis and can tailor specifications to meet specific research or production-grade 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). The compound is moisture-sensitive (hygroscopic) and should be handled under an inert atmosphere (e.g., nitrogen or argon) for long-term storage to prevent degradation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Area %)
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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