Description

3-Chloropropyltrimethylsilane is a versatile organosilicon compound that serves as a critical intermediate in organic synthesis and materials science. Its bifunctional nature, featuring both a reactive chloropropyl group and a hydrolytically stable trimethylsilyl group, makes it an essential building block for introducing silyl functionality into target molecules. This product is primarily utilized by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty polymer industries for applications such as surface modification, coupling agent synthesis, and the preparation of functionalized silanes.

Application

• Surface Modification Agent: Used to functionalize silica, glass, and other inorganic surfaces to impart hydrophobic properties or create reactive sites for further chemical grafting.
• Pharmaceutical Intermediate: Acts as a key synthon in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs, particularly for introducing silyl-protecting groups or creating silicon-containing drug candidates.
• Coupling Agent Precursor: Serves as a starting material for manufacturing silane coupling agents used in adhesives, sealants, and composite materials to improve bonding between organic polymers and inorganic substrates.
• Polymer Functionalization: Employed to modify polymers and resins, introducing chloropropyl side chains that can be further derivatized to alter material properties like adhesion, compatibility, or reactivity.
• Agrochemical Synthesis: Utilized in the production of certain herbicides, fungicides, and plant growth regulators where the organosilicon moiety can influence bioavailability and stability.
• Crosslinking Agent: Functions as a crosslinker in silicone rubber and other elastomer formulations to enhance mechanical strength and thermal stability.

Basic Information

Product Name	3-Chloropropyltrimethylsilane
CAS No.	2744-83-4
Molecular Formula	C6H15ClSi
Molecular Weight	150.72 g/mol
Synonyms	(3-Chloropropyl)trimethylsilane; Trimethyl(3-chloropropyl)silane; 3-Chloropropyltrimethylsilane; γ-Chloropropyltrimethylsilane; Chloropropyltrimethylsilane; 1-Chloro-3-(trimethylsilyl)propane; Silane, (3-chloropropyl)trimethyl-; NSC 9375
EINECS	220-386-3

Quality Control

Our 3-Chloropropyltrimethylsilane is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including Gas Chromatography (GC) for assay and impurity profiling, to meet exacting customer specifications. A Certificate of Analysis (COA) detailing identity, purity, and specific test results is provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); containers must be kept tightly sealed and under an inert atmosphere (e.g., nitrogen) after opening to prevent degradation. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (at 20°C)	0.92 - 0.94 g/mL
Refractive Index (n20/D)	1.428 - 1.432
Water Content (KF)	≤ 0.2%

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