Description

Triethylene Glycol Dimethyl Ether is a high-purity, aprotic polar solvent with excellent chemical stability and a high boiling point. Its unique combination of solvating power and low volatility makes it a critical component in demanding chemical synthesis and formulation processes. This versatile chemical is essential for industries including pharmaceuticals, agrochemicals, and specialty polymers, where consistent solvent performance is paramount for reaction efficiency and product quality.

Application

• Chemical Synthesis: A high-boiling, polar aprotic solvent for Grignard reactions, alkylations, and other organometallic processes requiring anhydrous conditions.
• Electrolyte Formulation: A key solvent component in non-aqueous electrolytes for lithium-ion and other advanced battery systems.
• Polymer & Resin Production: Used as a reaction medium and viscosity modifier in the synthesis of polyimides, epoxy resins, and other high-performance polymers.
• Gas Treating: Employed as a physical solvent for the selective removal of acid gases like CO₂ and H₂S from natural gas streams.
• Pharmaceutical Intermediates: Serves as a solvent and reagent in multi-step synthesis of active pharmaceutical ingredients (APIs).
• Agrochemical Formulations: Used as a co-solvent and stabilizer in concentrated pesticide and herbicide formulations.
• Industrial Cleaning: An effective component in specialized cleaning formulations for precision electronics and optics due to its low residue.

Basic Information

Product Name	Triethylene Glycol Dimethyl Ether
CAS No.	112-49-2
Molecular Formula	C8H18O4
Molecular Weight	178.23 g/mol
Synonyms	Triglyme; Triethylene glycol dimethyl ether; 1,2-Bis(2-methoxyethoxy)ethane; 2,5,8,11-Tetraoxadodecane; Dimethyl triglycol; Bis[2-(2-methoxyethoxy)ethyl] ether; Triethyleneglycol dimethylether; Glyme-3
EINECS	203-977-3

Quality Control

Our Triethylene Glycol Dimethyl Ether is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. Production adheres to current Good Manufacturing Practices (cGMP) where applicable. Every lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing key parameters such as assay, water content, and impurity profiles. We support compliance with global regulatory frameworks including REACH.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat sources and incompatible materials. Recommended storage temperature is between 15°C and 25°C. The product is hygroscopic; ensure containers are kept tightly sealed to prevent moisture absorption.

Specification

Item	Specification
Appearance	Colorless clear liquid
Identification (IR)	Conforms
Assay (GC)	≥ 99.0%
Water Content (KF)	≤ 0.05%
Acidity (as CH3COOH)	≤ 0.005%
Peroxide (as H2O2)	≤ 0.005%
Refractive Index (n20D)	1.423 - 1.425
Density (20°C)	1.018 - 1.022 g/mL
Boiling Point	216 - 218 °C

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