Description

1,8-Bis(Trimethylsiloxy)-3,6-Dioxaoctane is a specialized organosilicon compound, specifically a siloxane ether, valued for its unique bifunctional structure. This chemical serves as a versatile intermediate and functional additive, offering properties such as hydrophobicity, thermal stability, and reactivity with various substrates. It is primarily sought after by manufacturers in the pharmaceutical, agrochemical, and advanced material sectors for synthesis and formulation processes.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs, particularly where silyl protection of hydroxyl groups is required.
• Agrochemical Synthesis: Acts as a key building block or modifying agent in the production of advanced pesticides and herbicides.
• Polymer & Material Science: Serves as a cross-linking agent, chain extender, or modifier in silicone-based polymers and hybrid organic-inorganic materials to enhance properties.
• Surface Treatment Agent: Imparts hydrophobic and release characteristics to surfaces in coatings, textiles, and paper products.
• Adhesive & Sealant Formulations: Functions as a reactive diluent or property enhancer in high-performance silicone adhesives and sealants.
• Laboratory Reagent: Employed in organic synthesis as a protecting group reagent for diols or polyols in complex multi-step reactions.

Basic Information

Product Name	1,8-Bis(Trimethylsiloxy)-3,6-Dioxaoctane
CAS No.	62185-58-4
Molecular Formula	C14H34O4Si2
Molecular Weight	322.59 g/mol
Synonyms	1,8-Bis(trimethylsiloxy)-3,6-dioxaoctane; 3,6-Dioxa-1,8-octanediol, 1,8-bis(trimethylsilyl) ether; Bis(trimethylsilyl) PEG4; PEG-4 bis(trimethylsilyl) ether; 2,5,8,11-Tetraoxadodecane, 1,12-bis(trimethylsiloxy)-; TMS-PEG4-OTMS; 1,12-Bis(trimethylsiloxy)-2,5,8,11-tetraoxadodecane; Ethanol, 2,2'-[oxybis(2,1-ethanediyloxy)]-, bis(trimethylsilyl) ether
EINECS	Contact for details

Quality Control

Our 1,8-Bis(Trimethylsiloxy)-3,6-Dioxaoctane is produced under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specific results for purity, moisture content, and other critical parameters are provided and available upon request to support your quality assurance protocols.

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 product is hygroscopic (moisture-sensitive). Keep the container tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent degradation from moisture absorption.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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