Description

Hexaethylene Glycol Dimethyl Ether is a high-purity, non-ionic polyether solvent and chemical intermediate, also known as a glycol diether. This compound is valued for its excellent solvating power, high boiling point, and chemical stability, making it a versatile component in advanced formulations. It is primarily sought after by manufacturers in the electronics, pharmaceutical, and specialty polymer industries for applications requiring precise chemical performance and purity.

Application

• Electrolyte Solvent for Lithium-Ion Batteries: Used as a co-solvent in advanced electrolyte formulations to enhance ionic conductivity and battery performance at various temperatures.
• Chemical Synthesis & Catalysis: Serves as a polar aprotic solvent and phase-transfer catalyst in organic synthesis, particularly for Grignard and other organometallic reactions.
• Gas Treating & Separation: Employed as a physical solvent in gas scrubbing processes for the selective removal of acid gases like CO₂ and H₂S from natural gas streams.
• Polymer & Resin Production: Acts as a chain extender, plasticizer, or reactive diluent in the production of polyurethanes, epoxy resins, and other specialty polymers.
• Pharmaceutical Intermediate: Utilized in the synthesis of complex drug molecules and as a formulation aid for controlled-release drug delivery systems.
• Industrial Cleaning & Degreasing: An effective component in precision cleaning formulations for electronic components and optical surfaces due to its low residue and high solvency.

Basic Information

Product Name	Hexaethylene Glycol Dimethyl Ether
CAS No.	1072-40-8
Molecular Formula	C₁₄H₃₀O₇
Molecular Weight	310.38 g/mol
Synonyms	2,5,8,11,14,17-Hexaoxaoctadecane; Dimethoxypolyethylene glycol (avg. Mn 300); PEG-6 dimethyl ether; Poly(ethylene glycol) dimethyl ether (PEGDME); Triethylene glycol dimethyl ether, dimer; Glyme-6; Bis[2-(2-methoxyethoxy)ethyl] ether, extended; Diglyme, hexamer
EINECS	213-994-8

Quality Control

Our Hexaethylene Glycol Dimethyl Ether is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay by GC/HPLC, water content (KF), and impurity profiling, to ensure it meets the high standards required for technical and electronic grade applications. A Certificate of Analysis (COA) detailing all specifications and test results is provided with every shipment.

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 product is hygroscopic (moisture-sensitive); keep the container tightly sealed when not in use to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Refractive Index (n20/D)	1.438 - 1.442
Density (20°C)	1.020 - 1.040 g/mL
Boiling Point	~ 250°C (dec.)

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