Description

1,1,1,3,5,7,9,11,11,11-Decamethyl-5-(Trimethylsiloxy)Hexasiloxane is a specialized organosilicon compound, specifically a branched hexasiloxane functionalized with a trimethylsiloxy group. This unique molecular architecture provides a versatile combination of low surface tension, high thermal stability, and excellent spreading properties, making it a valuable intermediate and performance additive. It is primarily utilized in the formulation of advanced silicone fluids, release agents, and high-performance lubricants. Industries such as personal care, coatings, and specialty chemicals rely on this compound to enhance product performance and process efficiency.

Application

• Silicone Fluid Intermediate: A key building block for synthesizing custom silicone oils and polymers with tailored viscosity and reactivity.
• Release Agent Formulation: Used in the production of mold release agents for plastics, rubber, and composite materials manufacturing.
• Personal Care Ingredients: Serves as a volatile carrier or emollient in antiperspirants, hair care products, and skin creams due to its smooth feel and evaporation profile.
• Lubricant & Grease Additive: Imparts lubricity and thermal stability to specialty lubricants for high-temperature or precision applications.
• Coating & Paint Additive: Enhances flow, leveling, and surface wetting properties in industrial and protective coatings.
• Water Repellent Treatments: Acts as a hydrophobic component in treatments for textiles, paper, and construction materials.
• Adhesive & Sealant Modifier: Modifies rheology and improves compatibility in silicone-based adhesive and sealant formulations.

Basic Information

Product Name	1,1,1,3,5,7,9,11,11,11-Decamethyl-5-(Trimethylsiloxy)Hexasiloxane
CAS No.	50694-26-3
Molecular Formula	C15H48O6Si7
Molecular Weight	541.19 g/mol
Synonyms	Hexasiloxane, 1,1,1,3,5,7,9,11,11,11-decamethyl-5-[(trimethylsilyl)oxy]-; 5-(Trimethylsiloxy)hexasiloxane, decamethyl-; Decamethyl-5-(trimethylsiloxy)hexasiloxane; MD4M'(T); Branched Hexasiloxane with TMS group; Silicone Fluid Intermediate T3475; TMS-functionalized Hexasiloxane
EINECS	Contact for details

Quality Control

Our production of 1,1,1,3,5,7,9,11,11,11-Decamethyl-5-(Trimethylsiloxy)Hexasiloxane adheres to stringent quality management protocols to ensure batch-to-batch consistency and purity. Each lot undergoes comprehensive analysis using advanced techniques including Gas Chromatography (GC), Nuclear Magnetic Resonance (NMR), and Fourier-Transform Infrared Spectroscopy (FT-IR). Certificates of Analysis (COA) detailing purity, identity, and key physical parameters are provided with every shipment. Our quality system is designed to meet the rigorous demands of industrial and formulation chemistry.

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). Keep away from heat, sparks, and open flame. Ensure containers are kept tightly sealed when not in use to prevent moisture absorption and maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Refractive Index (20°C)	1.395 - 1.405
Density (20°C)	0.95 - 0.98 g/mL
Volatile Matter	≤ 1.0%

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