Description

3,4-Pentadien-1-Yne-1,3-Diyl-5-Ylidenetetrakis(Ethyldimethylsilane) is a specialized organosilicon compound featuring a unique pentadienyne backbone functionalized with multiple ethyldimethylsilyl groups. This complex structure makes it a valuable advanced intermediate or precursor in the synthesis of novel materials and fine chemicals. It is primarily sought by R&D chemists and process developers in the fields of advanced polymers, organic electronics, and pharmaceutical research where tailored molecular architectures are critical.

Application

• Advanced Polymer Synthesis: As a functional monomer or cross-linking agent for creating silicon-containing polymers with specific thermal or electronic properties.
• Organic Semiconductor Research: Serving as a key building block in the development of novel π-conjugated systems for electronic and optoelectronic applications.
• Pharmaceutical Intermediate: Utilized in the research and development of complex drug candidates, particularly those requiring silicon-based functional groups.
• Material Science: A precursor for surface modification, coatings, or the creation of hybrid organic-inorganic materials (e.g., silsesquioxanes).
• Catalysis & Ligand Design: Potential use in designing novel ligands for transition metal catalysts due to its unique steric and electronic profile.
• Specialty Chemical Manufacturing: Intermediate for the production of high-value, custom silanes used in various high-tech industries.

Basic Information

Product Name	3,4-Pentadien-1-Yne-1,3-Diyl-5-Ylidenetetrakis(Ethyldimethylsilane)
CAS No.	41898-94-6
Molecular Formula	C21H44Si4
Molecular Weight	425.0 g/mol (approx.)
Synonyms	1,1,1,5,5,5-Hexamethyl-3-(3,3-dimethylethynyl-1-butenyl)-2,4-bis[(dimethylethylsilyl)methyl]-1,3,5-trisilapent-2-ene; Tetrakis(ethyldimethylsilyl)-3,4-pentadien-1-yne-1,3-diyl-5-ylidene; 3,4-Pentadien-1-yne-1,3-diyl-5-ylidenetetrakis(ethyldimethylsilane); (Ethyldimethylsilyl)pentadienyne derivative; CAS 41898-94-6; Organosilicon pentadienyne
EINECS	Contact for details

Quality Control

Every batch of 3,4-Pentadien-1-Yne-1,3-Diyl-5-Ylidenetetrakis(Ethyldimethylsilane) is produced and controlled under strict quality management systems. Our products undergo rigorous analytical testing including NMR, GC, and HPLC to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to guarantee compliance with your research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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