Description

((4-((4-Ethynylphenyl)Ethynyl)Phenyl) Ethynyl)Triisopropylsilane is a specialized organosilicon compound featuring a rigid, extended conjugated system terminated with a triisopropylsilyl-protected alkyne group. This molecular architecture makes it a critical building block in advanced materials science, particularly for constructing precisely defined molecular frameworks. It is essential for researchers and manufacturers in organic electronics, nonlinear optics (NLO), and polymer chemistry who require high-purity, functionalized intermediates for creating novel polymers and small molecules with tailored electronic properties.

Application

• Organic Semiconductor Precursor: Serves as a key monomer for synthesizing conjugated polymers and small molecules used in OLEDs, OFETs, and organic photovoltaic (OPV) cells.
• Nonlinear Optical (NLO) Materials: Used in the development of chromophores with high hyperpolarizability for applications in electro-optics and photonics.
• Molecular Wire and Rigid-Linker Synthesis: The extended, rod-like structure is ideal for creating molecular-scale wires and rigid spacers in supramolecular chemistry and metal-organic frameworks (MOFs).
• Surface Functionalization Agent: The protected alkyne allows for controlled attachment to surfaces (e.g., silicon, gold) via "click chemistry" or other coupling reactions for sensor development.
• Cross-coupling Reactions (Sonogashira, etc.): Acts as a versatile reagent in palladium-catalyzed cross-coupling reactions to build complex aromatic and acetylene-bridged structures.
• Advanced Polymer Research: Employed in the synthesis of poly(aryleneethynylene)s and other π-conjugated polymers with specific chain lengths and functionalities.

Basic Information

Item	Detail
Product Name	((4-((4-Ethynylphenyl)Ethynyl)Phenyl) Ethynyl)Triisopropylsilane
CAS No.	176977-37-0
Molecular Formula	C29H34Si
Molecular Weight	410.67 g/mol
Synonyms	1,4-Bis((4-(triisopropylsilylethynyl)phenyl)ethynyl)benzene (common name); TIPS-protected tetraethynylbenzene derivative; Triisopropyl((4-((4-((triisopropylsilyl)ethynyl)phenyl)ethynyl)phenyl)ethynyl)silane; 1,4-Di((4-(triisopropylsilylethynyl)phenyl)ethynyl)benzene; TIPS-Acetylene Extended Benzene; Extended Conjugated Acetylene Silane; Molecular Building Block 176977-37-0; Research Compound 176977-37-0
EINECS	Contact for details

Quality Control

Our production of ((4-((4-Ethynylphenyl)Ethynyl)Phenyl) Ethynyl)Triisopropylsilane adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity for sensitive research and manufacturing applications. Certificates of Analysis (COA) are provided with each shipment, detailing key parameters such as purity (by HPLC/NMR), identity confirmation, and impurity profiles. We support custom synthesis and purification to meet specific research-grade or process development 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) under an inert atmosphere (e.g., argon or nitrogen) to prevent oxidation and moisture uptake. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Standard Grade)
Purity (NMR)	Conforms
Melting Point	Contact for details

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