Description

1-Monochlorosilacyclobutane is a highly reactive organosilicon compound featuring a strained four-membered ring structure. This unique molecular architecture makes it a valuable precursor and building block in advanced materials science and specialty chemical synthesis. It is particularly sought after by researchers and manufacturers in the semiconductor and pharmaceutical industries for its utility in creating novel silicon-based polymers and fine chemicals.

Application

• Semiconductor Manufacturing: As a key precursor for Atomic Layer Deposition (ALD) and Chemical Vapor Deposition (CVD) processes to deposit silicon carbide (SiC) or silicon carbonitride (SiCN) thin films.
• Polymer Science: Serving as a monomer for the synthesis of novel polycarbosilanes and silicon-containing polymers with tailored thermal and mechanical properties.
• Organic Synthesis: Acting as a versatile reagent for introducing the silacyclobutane moiety into complex organic molecules for pharmaceutical and agrochemical research.
• Surface Modification: Used to create specialized silane-based coatings and adhesion promoters on various substrates.
• Materials Research: A critical starting material in the development of silicon-based ceramics and preceramic polymers.
• Chemical Vapor Infiltration (CVI): Employed in the production of ceramic matrix composites (CMCs) for high-temperature applications.

Basic Information

Product Name	1-Monochlorosilacyclobutane
CAS No.	20156-49-4
Molecular Formula	C3H7ClSi
Molecular Weight	106.62 g/mol
Synonyms	Monochlorosilacyclobutane; Chlorosilacyclobutane; 1-Chlorosilacyclobutane; Silacyclobutane, 1-chloro-; 1-Chloro-1-silacyclobutane; SCB-Cl; Chloro silacyclobutane
EINECS	Contact for details

Quality Control

Our 1-Monochlorosilacyclobutane is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including gas chromatography (GC) and NMR spectroscopy, to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to support your quality assurance and R&D documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at temperatures between 2°C and 8°C (refrigerated) under an inert atmosphere (argon or nitrogen) due to its moisture-sensitive and highly volatile nature. Keep away from heat, sparks, and open flames.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 97.0%
Density (at 20°C)	~1.05 g/cm³
Boiling Point	~ 95-100 °C

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