Description

Ethene, 1,1-Methylenebis(Oxy)Bis- is a versatile chemical intermediate, also known as 1,1'-Oxybis(2-methoxyethane) or diglyme. This high-purity solvent and reaction medium is valued for its excellent solvating power, high boiling point, and thermal stability, making it a critical component in demanding chemical processes. It is primarily utilized in industries such as pharmaceuticals, specialty chemicals, and battery electrolyte formulation where consistent quality and reliable performance are paramount.

Application

• Pharmaceutical Synthesis: Acts as a high-boiling, aprotic solvent and reaction medium for Grignard reactions, alkylations, and other organometallic processes requiring strict moisture control.
• Specialty Chemical Manufacturing: Serves as a key solvent in the production of pesticides, dyes, and other fine chemicals where its stability under harsh conditions is advantageous.
• Electrolyte Formulation: Used as a co-solvent in advanced lithium-ion and other battery electrolytes due to its ability to enhance ionic conductivity and electrochemical stability.
• Polymer Chemistry: Employed as a solvent and processing aid in the synthesis and purification of specialty polymers and resins.
• Gas Treating & Absorption: Functions as a physical solvent in gas scrubbing processes for the selective removal of acidic gases like CO2 and H2S from natural gas streams.
• Laboratory Research: Utilized as a high-purity solvent for analytical chemistry, spectroscopy, and advanced material research.

Basic Information

Product Name	Ethene, 1,1-Methylenebis(Oxy)Bis-
CAS No.	111-38-6
Molecular Formula	C6H14O3
Molecular Weight	134.17 g/mol
Synonyms	Diethylene glycol dimethyl ether; Diglyme; Bis(2-methoxyethyl) ether; 1,1'-Oxybis(2-methoxyethane); 2-Methoxyethyl ether; Dimethyl carbitol; Ethane, 1,1'-oxybis[2-methoxy-; DEGDME
EINECS	203-872-2

Quality Control

Our Ethene, 1,1-Methylenebis(Oxy)Bis- is manufactured under stringent quality management systems. Every batch undergoes comprehensive analytical testing to ensure it meets precise specifications for purity, water content, and other critical parameters. A Certificate of Analysis (COA) detailing the results is provided with each shipment to guarantee traceability and compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials. Due to its highly volatile nature, ensure containers are kept tightly sealed to prevent evaporation and concentration of peroxides. Recommended storage temperature is 15-25°C.

Specification

Item	Specification
Appearance	Colorless clear liquid
Identification (IR)	Conforms
Assay (GC)	≥ 99.0%
Water Content (KF)	≤ 0.05%
Peroxides (as H2O2)	≤ 0.005%
Acidity (as CH3COOH)	≤ 0.005%
Residue on Evaporation	≤ 0.01%
Density (20°C)	0.938 - 0.942 g/mL
Refractive Index (n20/D)	1.407 - 1.409
Boiling Point	160 - 162°C

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