Description

1,1,3-Trimethyl-1-silacyclobutane is a highly volatile, strained organosilicon compound featuring a four-membered ring structure. This unique cyclic silane is a valuable precursor in advanced materials science, offering high reactivity for ring-opening polymerizations and functional group transformations. It is primarily utilized by R&D chemists and process engineers in the semiconductor, specialty polymer, and fine chemical synthesis industries.

Application

• Semiconductor Manufacturing: Serves as a silicon-containing precursor for chemical vapor deposition (CVD) and atomic layer deposition (ALD) processes to create thin films and silicon carbide (SiC) materials.
• Polymer Science: Acts as a key monomer for the synthesis of novel polysilacyclobutane polymers and copolymers with unique thermal and mechanical properties.
• Surface Modification: Used to introduce hydrophobic silane functionalities onto inorganic surfaces like silica or metals for improved adhesion and water repellency.
• Organic Synthesis: Functions as a versatile building block for synthesizing complex organosilicon molecules and pharmaceutical intermediates via ring-opening reactions.
• Adhesives & Sealants: Incorporated as a cross-linking agent or modifier to enhance the thermal stability and chemical resistance of silicone-based formulations.
• Research & Development: Employed in academic and industrial labs for exploring new reactions in organometallic chemistry and materials development.

Basic Information

Product Name	1,1,3-Trimethyl-1-silacyclobutane
CAS No.	76545-10-3
Molecular Formula	C7H16Si
Molecular Weight	128.29 g/mol
Synonyms	1,1,3-Trimethylsilacyclobutane; Trimethylsilacyclobutane; 1-Silacyclobutane, 1,1,3-trimethyl-; 1,1,3-Trimethyl-1-silacyclobutane; TMSB; TMSCB
EINECS	Contact for details

Quality Control

Our 1,1,3-Trimethyl-1-silacyclobutane is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing, including gas chromatography (GC) and nuclear magnetic resonance (NMR) spectroscopy, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and open flames. Due to its highly volatile nature, containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent moisture ingress and decomposition. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Colorless clear liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Density (20°C)	~0.78 g/mL
Refractive Index (n20D)	~1.425

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