Description

3-(Trimethylsiloxypropyl)Dimethylchlorosilane is a bifunctional organosilicon compound featuring both a reactive chlorosilane group and a protected siloxy moiety. This dual functionality makes it a highly versatile intermediate for introducing silyl groups and creating siloxane linkages in controlled synthesis. It is primarily used by manufacturers in the silicone polymer, surface treatment, and advanced materials sectors to develop specialized coatings, adhesives, and release agents with tailored properties.

Application

• Silicone Polymer Modification: Acts as a key monomer or cross-linking agent in the synthesis of specialty silicone oils, resins, and elastomers.
• Surface Primers & Coupling Agents: Used to treat inorganic surfaces like glass, silica, or metals to improve adhesion of silicone-based coatings and sealants.
• Hydrophobic Coatings: Imparts water-repellent characteristics to textiles, construction materials, and electronic components.
• Release Agent Synthesis: A building block for creating non-stick silicone release coatings used in adhesive tapes and liners.
• Pharmaceutical & Cosmetic Intermediates: Serves as a protected silane reagent in the synthesis of active ingredients or silicone-based delivery systems.
• Adhesion Promoters: Enhances the bonding between organic polymers and inorganic fillers in composite materials.

Basic Information

Product Name	3-(Trimethylsiloxypropyl)Dimethylchlorosilane
CAS No.	54175-55-2
Molecular Formula	C8H21ClO Si2
Molecular Weight	224.88 g/mol
Synonyms	Chlorodimethyl[3-(trimethylsiloxy)propyl]silane; Dimethyl[3-(trimethylsiloxy)propyl]chlorosilane; 3-(Trimethylsilyloxy)propyldimethylchlorosilane; (3-(Trimethylsiloxy)propyl)dimethylchlorosilane; TMSOPDCS; Silane, chlorodimethyl[3-(trimethylsiloxy)propyl]-; γ-Trimethylsiloxypropyldimethylchlorosilane
EINECS	Contact for details

Quality Control

Our production of 3-(Trimethylsiloxypropyl)Dimethylchlorosilane adheres to stringent quality management protocols. Each batch undergoes rigorous analytical testing, including GC and NMR, 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 regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive) and reacts with strong acids and bases; it must be kept under an inert atmosphere (e.g., nitrogen or argon) and away from incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Chlorosilane Content	Contact for details
Water Content (KF)	≤ 0.1%

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