Description

(Methyldiphenylsilyl)Acetylene is a specialized organosilicon building block featuring a silyl-protected acetylene moiety. This compound matters as a versatile synthon in advanced organic synthesis, enabling the controlled introduction of alkynyl groups under mild conditions. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and materials science industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring alkynyl linkages.
• Agrochemical Synthesis: Used in the research and development of novel pesticides and herbicides where the silylacetylene group is a crucial structural element.
• Material Science Precursor: Serves as a monomer or cross-linking agent in the development of advanced polymers, silicones, and hybrid organic-inorganic materials.
• Organic Synthesis Reagent: Employed in Sonogashira coupling and other palladium-catalyzed cross-coupling reactions to form carbon-carbon bonds.
• Ligand Synthesis: Utilized for the preparation of sophisticated ligands used in catalysis and coordination chemistry.
• Academic & Industrial Research: A valuable tool for methodology development and exploring new reaction pathways in synthetic chemistry laboratories.

Basic Information

Item	Details
Product Name	(Methyldiphenylsilyl)Acetylene
CAS No.	17156-65-9
Molecular Formula	C₁₅H₁₄Si
Molecular Weight	222.36 g/mol
Synonyms	Methyldiphenylsilylacetylene; Diphenylmethylsilylacetylene; Ethynyl(methyl)diphenylsilane; (Methyl-diphenyl-silyl)-acetylene; MDPSA; Silane, ethynyldiphenylmethyl-; (Diphenylmethylsilyl)ethyne
EINECS	Contact for details

Quality Control

Our (Methyldiphenylsilyl)Acetylene is produced and handled under strict quality management protocols. Each batch undergoes rigorous analytical testing, including NMR, GC, and HPLC analysis, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are available upon request, supporting your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and moisture. For long-term storage, consider maintaining under an inert atmosphere.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (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.