Description

Ethanone, 1-[2-Methylene-1-(Trimethylsilyl)Cyclopropyl]- (CAS 958990-70-0) is a specialized organosilicon building block featuring a unique cyclopropane ring fused with a silyl-protected ketone functionality. This compound matters for its role as a key synthetic intermediate in advanced organic and organometallic chemistry, enabling the construction of complex molecular architectures. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors for creating novel active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of novel drug candidates, particularly those requiring cyclopropane or silicon-containing motifs for enhanced biological activity or metabolic stability.
• Agrochemical Synthesis: Used in the research and development of new pesticides and herbicides, where its reactive methylene and silyl groups can be leveraged to create unique bioactive molecules.
• Advanced Material Precursor: Acts as a monomer or cross-linking agent in the development of specialty silicones, silicon-based polymers, and hybrid organic-inorganic materials.
• Organometallic Chemistry: Employed in catalytic research and the synthesis of novel organosilicon reagents and ligands for transition metal catalysis.
• Fine Chemical Production: Utilized in custom synthesis and contract manufacturing for producing high-value, complex chemical entities.
• Academic & Industrial R&D: A valuable tool for methodological development in organic synthesis, enabling new ring-forming and functionalization reactions.

Basic Information

Product Name	Ethanone, 1-[2-Methylene-1-(Trimethylsilyl)Cyclopropyl]-
CAS No.	958990-70-0
Molecular Formula	C9H16OSi
Molecular Weight	168.31 g/mol
Synonyms	1-[2-Methylene-1-(Trimethylsilyl)cyclopropyl]ethanone; 1-(2-Methylene-1-trimethylsilylcyclopropyl)ethan-1-one; 2-Methylene-1-(trimethylsilyl)cyclopropyl methyl ketone; (2-Methylene-1-trimethylsilylcyclopropyl)methyl ketone; TMS-Cyclopropyl Ketone Derivative; Silylated Cyclopropyl Ketone; CAS 958990-70-0
EINECS	Contact for details

Quality Control

Our Ethanone, 1-[2-Methylene-1-(Trimethylsilyl)Cyclopropyl]- is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatographic purity analysis and structural confirmation, to ensure it meets the high standards required for research and process chemistry. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment and are available upon request.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 95.0% (Area %)
Water Content (KF)	≤ 0.5% w/w

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