Description

2,2,4,4-Tetramethyl-3,8,11,14,17-Pentaoxa-2,4-Disilaoctadecane, 99+% Electrolyte Solvent Anl-2Sm3 is a high-purity organosilicon compound featuring a unique oligoether-silane structure. This material is engineered to serve as a critical performance additive and solvent in advanced electrochemical systems, offering enhanced stability and ionic conductivity. It is primarily required by manufacturers of lithium-ion batteries, supercapacitors, and other next-generation energy storage devices seeking to improve electrolyte formulation and cell longevity.

Application

• Lithium-Ion Battery Electrolyte Additive/Solvent: Used to improve thermal stability, widen the electrochemical window, and enhance the solid electrolyte interphase (SEI) layer formation on anode materials.
• Supercapacitor Electrolyte Component: Employed in formulations to increase operating voltage and improve cycle life in high-performance energy storage systems.
• Specialty Chemical Synthesis: Acts as a versatile precursor or protecting group in organic and organometallic synthesis, particularly for introducing silicon and polyether functionalities.
• Coating and Adhesive Formulations: Utilized as a cross-linking agent or modifier to impart moisture resistance, flexibility, and adhesion properties.
• Conductive Polymer Research: Serves as a dopant or processing aid in the development of polymers with tailored electronic properties.
• Analytical Chemistry Reagent: Functions as a derivatization agent in chromatography (e.g., GC, HPLC) for the analysis of sensitive compounds.

Basic Information

Product Name	2,2,4,4-Tetramethyl-3,8,11,14,17-Pentaoxa-2,4-Disilaoctadecane, 99+% Electrolyte Solvent Anl-2Sm3
CAS No.	855996-83-7
Molecular Formula	C16H36O5Si2
Molecular Weight	364.63 g/mol
Synonyms	1,3-Bis(2-(2-(2-methoxyethoxy)ethoxy)ethoxy)-1,1,3,3-tetramethyldisiloxane; PEGylated disiloxane; Anl-2Sm3; Glyme-functionalized disiloxane; Oligoethylene glycol tetramethyldisiloxane; Tetramethyldisiloxane ethoxylate; 2,2,4,4-Tetramethyl-3,8,11,14,17-pentaoxa-2,4-disilaoctadecane; Bis(2-(2-(2-methoxyethoxy)ethoxy)ethoxy)tetramethyldisiloxane
EINECS	Contact for details

Quality Control

Our 2,2,4,4-Tetramethyl-3,8,11,14,17-Pentaoxa-2,4-Disilaoctadecane is produced under stringent quality management systems to ensure batch-to-batch consistency and high purity for demanding electrochemical applications. Each lot undergoes comprehensive analytical testing including HPLC, GC, NMR, and Karl Fischer titration to verify identity, purity, and critical impurity profiles. A detailed Certificate of Analysis (COA) documenting all test results is provided with every shipment.

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). To prevent degradation, containers should be kept tightly sealed and under an inert atmosphere (e.g., nitrogen or argon) after opening.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC/HPLC)	≥ 99.0%
Water Content (KF)	≤ 0.05%
Refractive Index (n20/D)	1.430 - 1.435
Density (20°C)	1.00 - 1.05 g/mL

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