Description

1,1-Dichloro-1-Silacyclo-3-Pentene CAS NO 872-46-8 is a specialized organosilicon compound featuring a reactive silacyclopentene core. This chemical is a valuable synthetic intermediate, prized for its unique reactivity which enables the construction of complex silicon-containing molecular architectures. It is primarily sought after 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: Key building block in the synthesis of novel silicon-based drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and development of new-generation pesticides and herbicides with enhanced properties.
• Polymer & Material Science: Serves as a monomer or cross-linking agent for producing specialty silicones and silicon-containing polymers with tailored thermal or mechanical characteristics.
• Organic Synthesis Reagent: Employed in academic and industrial laboratories for cyclization reactions and the introduction of silicon functionalities into organic molecules.
• Ligand Precursor: Acts as a starting material for the synthesis of novel organosilicon ligands used in catalysis.
• Surface Modification: Potential use in creating functionalized surfaces for specialized coatings or adhesion promotion.

Basic Information

Item	Detail
Product Name	1,1-Dichloro-1-Silacyclo-3-Pentene
CAS No.	872-46-8
Molecular Formula	C4H6Cl2Si
Molecular Weight	153.08 g/mol
Synonyms	1,1-Dichlorosilacyclopent-3-ene; 1,1-Dichloro-1-silacyclopent-3-ene; 3-Pentene, 1,1-dichloro-1-sila-; Silacyclopent-3-ene, 1,1-dichloro-; Dichloro(cyclopentenyl)silane; 1-Silacyclopent-3-ene, 1,1-dichloro-
EINECS	212-828-5

Quality Control

Every batch of 1,1-Dichloro-1-Silacyclo-3-Pentene is manufactured and tested under strict quality management protocols. We ensure compliance with relevant industry standards for high-purity intermediates. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee traceability and consistency for your critical R&D and production processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place 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 strong acids and incompatible organic solvents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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