Description

1,8-Bis(Trimethylsiloxy)Octane is a high-purity organosilicon compound, also known as a siloxane derivative, valued for its role as a versatile chemical intermediate and functional fluid. Its molecular structure provides unique properties such as thermal stability, low surface tension, and hydrophobicity, making it a critical component in advanced material synthesis. This product is essential for manufacturers in the silicone polymer, personal care, and specialty lubricant industries seeking to enhance product performance.

Application

• Silicone Polymer Modification: Acts as a chain extender or cross-linking agent in the synthesis of specialty polydimethylsiloxanes (PDMS) and other silicone elastomers.
• Personal Care & Cosmetics: Used as an emollient and conditioning agent in high-end skincare, sun care, and haircare formulations to provide a smooth, non-greasy feel.
• Release Agents & Lubricants: Serves as a base or additive in mold release fluids and high-performance lubricants for industrial and automotive applications.
• Surface Treatment: Imparts water-repellent (hydrophobic) characteristics to textiles, paper, and various substrates.
• Pharmaceutical Intermediates: Employed in the synthesis of active pharmaceutical ingredients (APIs) and drug delivery systems requiring organosilicon chemistry.
• Electronics Industry: Used in the formulation of heat-resistant coatings and encapsulants for electronic components.

Basic Information

Product Name	1,8-Bis(Trimethylsiloxy)Octane
CAS No.	16654-42-5
Molecular Formula	C14H34O2Si2
Molecular Weight	290.60 g/mol
Synonyms	Octane, 1,8-bis(trimethylsiloxy)-; 1,8-Octanediol, bis(trimethylsilyl) ether; Bis(trimethylsiloxy)octane; 1,8-Bis(trimethylsilyloxy)octane; 1,8-Octanediol bis(trimethylsilyl ether); TMS derivative of 1,8-octanediol; HMDS derivative of 1,8-octanediol; Octamethyl-1,8-octanedioxydisilane
EINECS	Contact for details

Quality Control

Our 1,8-Bis(Trimethylsiloxy)Octane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including Gas Chromatography (GC) and Nuclear Magnetic Resonance (NMR), to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical specifications. Our quality commitment supports applications requiring high-purity intermediates, from industrial synthesis to advanced research and development.

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 strong oxidizing agents and moisture. For long-term storage, consider using an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Refractive Index (20°C)	1.420 - 1.425
Density (20°C)	0.85 - 0.87 g/mL

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