Description

Phenylethynyldimethylsilane is a versatile organosilicon compound featuring a reactive ethynyl group attached to a silicon atom. This unique structure makes it a valuable building block and intermediate in advanced material synthesis and specialty chemical manufacturing. It is primarily utilized by R&D laboratories and industrial producers in the pharmaceutical, semiconductor, and polymer sectors.

Application

• Advanced Polymer Synthesis: Key monomer for creating silicon-containing acetylene polymers with tailored thermal and optical properties.
• Pharmaceutical Intermediates: Serves as a crucial synthon in the development of novel active pharmaceutical ingredients (APIs) and drug candidates.
• Semiconductor & Electronics: Used in the deposition of silicon carbide (SiC) thin films and as a precursor in chemical vapor deposition (CVD) processes.
• Crosslinking Agent: Functions as a reactive crosslinker in silicone-based resins and elastomers to enhance thermal stability.
• Material Science Research: Employed in the development of new hybrid organic-inorganic materials and metal-organic frameworks (MOFs).
• Surface Modification: Utilized to modify surface properties of materials via hydrosilylation or other coupling reactions.

Basic Information

Product Name	Phenylethynyldimethylsilane
CAS No.	87290-97-9
Molecular Formula	C10H12Si
Molecular Weight	160.29 g/mol
Synonyms	Dimethyl(phenylethynyl)silane; (Phenylethynyl)dimethylsilane; Dimethyl(phenylethynyl)silane; Phenylethynyl-dimethylsilane; Silane, dimethyl(phenylethynyl)-; (Dimethylsilyl)phenylacetylene
EINECS	Contact for details

Quality Control

Our Phenylethynyldimethylsilane is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality management system adheres to ISO guidelines, and we support customer audits and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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