Description

2,2'-[(Dimethylsilylene)Bis(Oxy)]Bisethanol is a specialized organosilicon compound featuring a central dimethylsilylene group linked to two ethanol units via ether bridges. This unique structure makes it a valuable bifunctional monomer and reactive intermediate for synthesizing silicone-based polymers and hybrid materials. It is primarily used by R&D chemists and formulators in the polymer, coatings, and specialty chemical industries seeking to incorporate hydrophilic and crosslinkable properties into their products.

Application

• Silicone Polymer Modification: Acts as a key monomer for synthesizing polyether-modified silicones, imparting hydrophilicity, surfactant properties, and compatibility with polar systems.
• Crosslinking Agent: Serves as a reactive diluent and crosslinker in UV-curable resins, epoxy systems, and polyurethane formulations to enhance flexibility and adhesion.
• Surface Treatment Agent: Used to modify the surface properties of inorganic materials like silica, glass, and metals, improving dispersion and interfacial bonding in composites.
• Personal Care & Cosmetics: Employed in the synthesis of silicone polyethers used as emulsifiers, conditioners, and foam stabilizers in shampoos, creams, and lotions.
• Pharmaceutical Intermediates: Utilized in the synthesis of drug delivery systems and bioactive molecules where controlled hydrophilicity and biodegradability are required.
• Adhesives & Sealants: Incorporated to improve the wetting, adhesion, and moisture resistance of silicone-based adhesive formulations.

Basic Information

Product Name	2,2'-[(Dimethylsilylene)Bis(Oxy)]Bisethanol
CAS No.	27560-48-1
Molecular Formula	C6H16O4Si
Molecular Weight	180.28 g/mol
Synonyms	Bis(2-hydroxyethoxy)dimethylsilane; Diethylene glycol monomethyl ether dimethylsilyl ether; 2,2'-Oxybis[ethanol] 1,1'-dimethylsilylene ether; Dimethylbis(2-hydroxyethoxy)silane; 1,1'-Dimethylsilylene bis(oxy-2,1-ethanediyl) diacetate (related ester); Hydroxyethoxy dimethylsilane dimer; (Dimethylsilylene)di-2-oxyethanol; Dihydroxyethoxy dimethylsilane
EINECS	Contact for details

Quality Control

Our production of 2,2'-[(Dimethylsilylene)Bis(Oxy)]Bisethanol adheres to stringent quality management protocols. Each batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure chemical identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with every shipment, detailing all critical specifications. Our quality system is designed to support applications requiring high-purity intermediates for research and industrial synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive) and should be kept under an inert atmosphere (e.g., nitrogen or argon) for long-term storage to prevent hydrolysis and oxidation. Keep away from strong acids, bases, and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.430 - 1.440
Density (20°C)	1.05 - 1.10 g/mL

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