Description

3-Ethyl-1,1,1,5,5,5-Hexamethyl-3-Trimethylsilanyloxy-Trisiloxane is a specialized organosilicon compound, specifically a functionalized trisiloxane, valued for its unique combination of silicone properties and reactive functionality. This chemical serves as a critical intermediate and performance additive, enabling precise control over surface properties and material compatibility in advanced formulations. It is essential for manufacturers in the personal care, coatings, adhesives, and specialty chemical industries seeking to enhance product performance through tailored silicone chemistry.

Application

• Silicone Intermediate: A key building block for synthesizing more complex silicone polymers, resins, and copolymers.
• Personal Care & Cosmetics: Used in hair conditioners, skin creams, and antiperspirants to provide a smooth, non-greasy feel and improve spreadability.
• Release Agents & Mold Lubricants: Imparts excellent release properties in plastic, rubber, and composite manufacturing processes.
• Surface Modification & Coatings: Functions as a surface active agent to improve wetting, leveling, and mar resistance in industrial and protective coatings.
• Adhesives & Sealants: Acts as a flow control and compatibility agent, enhancing adhesion and reducing viscosity.
• Lubricants & Greases: Serves as a high-performance additive to improve thermal stability and reduce friction in specialty lubricants.
• Pharmaceutical & Agrochemical Excipients: Utilized as an inert carrier or coating agent to modify the release profile of active ingredients.

Basic Information

Product Name	3-Ethyl-1,1,1,5,5,5-Hexamethyl-3-Trimethylsilanyloxy-Trisiloxane
CAS No.	18030-66-5
Molecular Formula	C11H32O3Si4
Molecular Weight	324.71 g/mol
Synonyms	1,1,1,5,5,5-Hexamethyl-3-ethyl-3-[(trimethylsilyl)oxy]trisiloxane; 3-Ethyl-1,1,1,5,5,5-hexamethyl-3-(trimethylsiloxy)trisiloxane; Trisiloxane, 3-ethyl-1,1,1,5,5,5-hexamethyl-3-[(trimethylsilyl)oxy]-; Ethylhexamethyltrisiloxanyloxytrimethylsilane; MD'EM Siloxane (where M=(CH3)3SiO1/2, D'=C2H5(CH3)SiO2/2, E=(CH3)3SiO1/2); Functional Trisiloxane; TMS-Protected Silanol
EINECS	Contact for details

Quality Control

Our production of 3-Ethyl-1,1,1,5,5,5-Hexamethyl-3-Trimethylsilanyloxy-Trisiloxane adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing purity, identity, and key physical parameters are provided with each shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong acids, bases, and oxidizing agents. The product is moisture-sensitive; ensure containers are sealed tightly after use to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Refractive Index (n20D)	1.395 - 1.405
Density (20°C)	0.88 - 0.92 g/cm³
Water Content (KF)	≤ 0.1%

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