Description

Chlorozinc(1+),Ethynyl(Trimethyl)Silane CAS NO 78389-87-4 is a highly reactive organometallic compound featuring a zinc chloride moiety and an ethynyl(trimethyl)silane group. This unique structure makes it a valuable reagent for introducing the protected ethynylsilane functionality in advanced organic synthesis and materials science. It is primarily sought after by researchers and manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly for constructing carbon-carbon bonds and introducing acetylene-derived functional groups.
• Agrochemical Synthesis: Serves as a key building block in the production of advanced crop protection agents and herbicides.
• Polymer & Material Science: Acts as a monomer or cross-linking agent in the development of specialty silicones, silicon-containing polymers, and advanced composite materials.
• Organic Synthesis Reagent: Employed in Sonogashira coupling and other palladium-catalyzed cross-coupling reactions to install alkynyl groups.
• Surface Modification: Utilized for the functionalization of surfaces and nanoparticles with stable organosilane layers.
• Ligand Precursor: Can be used to prepare novel ligands for catalysis and coordination chemistry.

Basic Information

Product Name	Chlorozinc(1+),Ethynyl(Trimethyl)Silane
CAS No.	78389-87-4
Molecular Formula	C5H11ClSiZn
Molecular Weight	199.98 g/mol
Synonyms	Ethynyltrimethylsilane Zinc Chloride Adduct; (Ethynyltrimethylsilyl)zinc Chloride; Trimethyl(ethynyl)silane Zinc Chloride Complex; Zinc, chloro(ethynyltrimethylsilyl)-; Chloro(ethynyltrimethylsilyl)zinc; Ethynyltrimethylsilylzinc Chloride; TMS-acetylene Zinc Chloride Reagent
EINECS	Contact for details

Quality Control

Our Chlorozinc(1+),Ethynyl(Trimethyl)Silane is produced under stringent quality protocols. Each batch undergoes rigorous analytical testing, including NMR, FT-IR, and titration methods, to ensure high purity and consistent performance. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with every shipment to guarantee compliance with your research and production specifications.

Storage

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

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 95.0%
Zinc Content	Contact for details
Solubility	Soluble in common organic solvents (THF, Ether)

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