Description

(Dimethylphenylsilyl)Acetylene is a high-purity organosilicon reagent featuring a reactive alkyne group protected by a dimethylphenylsilyl moiety. This compound matters as a versatile and critical building block in advanced organic synthesis, enabling the controlled introduction of silicon-protected acetylene units into complex molecular architectures. It is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and materials science industries who require precise and reliable intermediates for constructing novel compounds, such as active pharmaceutical ingredients (APIs) and functional polymers.

Application

• Pharmaceutical Intermediate: A key synthon in the synthesis of complex drug candidates, particularly for creating silicon-containing analogs and alkyne-functionalized bioactive molecules.
• Agrochemical Synthesis: Used in the development of novel pesticides and herbicides where the silylacetylene group imparts specific biological activity or stability.
• Material Science & Polymer Chemistry: Serves as a monomer or cross-linking agent in the production of specialty silicon-based polymers, resins, and advanced materials with tailored properties.
• Organic Synthesis & Catalysis: Employed in Sonogashira coupling and other palladium-catalyzed cross-coupling reactions to construct conjugated systems and complex organic frameworks.
• Chemical Research & Development: A valuable reagent in academic and industrial R&D labs for exploring new synthetic methodologies and creating novel chemical entities.
• Liquid Crystal & OLED Precursor: Used in the synthesis of organic semiconductors and liquid crystal materials that require precise alkyne functionalization.

Basic Information

Product Name	(Dimethylphenylsilyl)Acetylene
CAS No.	17156-64-8
Molecular Formula	C10H12Si
Molecular Weight	160.29 g/mol
Synonyms	Dimethyl(phenylethynyl)silane; Phenylethynyldimethylsilane; Ethynyl(dimethyl)phenylsilane; (Phenylethynyl)dimethylsilane; Dimethyl(phenylethynyl)silicon; (Dimethylsilyl)phenylacetylene; Phenyl(dimethylsilyl)acetylene; 1-Dimethylsilyl-2-phenylethyne
EINECS	Contact for details

Quality Control

Our (Dimethylphenylsilyl)Acetylene is produced under strict quality management protocols to ensure batch-to-batch consistency and high chemical purity. Each lot undergoes rigorous analytical testing, including GC, NMR, and FTIR, to verify identity and assay. A comprehensive Certificate of Analysis (COA) detailing purity, physical properties, and impurity profiles is provided with every shipment to support your quality assurance and regulatory compliance needs.

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). Due to its highly volatile nature, ensure containers are kept tightly sealed when not in use to prevent evaporation and potential concentration changes. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Density (at 20°C)	~0.92 g/mL
Refractive Index (n20D)	~1.52

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