Description

1-Cyclopropyl-1-(Trimethylsilyloxy)-Ethylene is a high-purity organosilicon compound featuring a reactive vinyl ether moiety protected by a trimethylsilyl (TMS) group. This unique structure makes it a valuable protected synthon and versatile building block for advanced organic synthesis, particularly in the development of complex molecules. It is essential for researchers and process chemists in the pharmaceutical, agrochemical, and specialty chemical industries who require reliable, high-quality intermediates for constructing cyclopropane-containing frameworks and other intricate architectures.

Application

• Pharmaceutical Intermediate: A key protected synthon for the synthesis of active pharmaceutical ingredients (APIs) containing cyclopropyl or vinyl ether functional groups.
• Agrochemical Synthesis: Used as a building block in the research and production of novel herbicides, fungicides, and insecticides.
• Material Science Research: Serves as a precursor for specialty monomers or ligands in catalyst development and polymer chemistry.
• Organic Synthesis: Employed in cyclopropanation reactions, [2+2] cycloadditions, and as a masked carbonyl equivalent in multi-step synthetic sequences.
• Academic & R&D: A critical reagent for methodological development and the construction of complex natural product analogs in research laboratories.

Basic Information

Product Name	1-Cyclopropyl-1-(Trimethylsilyloxy)-Ethylene
CAS No.	42161-96-6
Molecular Formula	C9H18OSi
Molecular Weight	170.32 g/mol
Synonyms	1-Cyclopropyl-1-[(trimethylsilyl)oxy]ethene; (1-Cyclopropylvinyloxy)trimethylsilane; Trimethyl[(1-cyclopropylvinyl)oxy]silane; 1-Cyclopropylethylene Trimethylsilyl Ether; Cyclopropyl TMS Enol Ether; 42161-96-6; Cyclopropyl vinyloxytrimethylsilane
EINECS	Contact for details

Quality Control

Our 1-Cyclopropyl-1-(Trimethylsilyloxy)-Ethylene is manufactured under strict quality protocols to ensure batch-to-batch consistency and high purity. The product undergoes rigorous analytical testing, including GC, HPLC, and NMR, to meet the specified 98% minimum purity. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory needs.

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 compound is hygroscopic (moisture-sensitive); containers 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/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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