Solvents
REACH
Diethylene glycol dimethyl ether
CAS Number
111-96-6
EC Number
203-924-4
What is Diethylene glycol dimethyl ether?
Diethylene glycol dimethyl ether (CAS 111-96-6), commercially known as Diglyme, is a high-boiling aprotic ether solvent.
Where is Diethylene glycol dimethyl ether used?
- Pharmaceutical manufacturing: reaction solvent for Grignard reactions, metal hydride reductions and moisture-sensitive syntheses
- Polymer processing: polymerization solvent and chain-transfer agent in specialty resins and adhesives
- Battery electrolyte research: co-solvent improving ionic conductivity and electrode compatibility
- Biotechnology: carrier solvent in reagent formulations
- Its controlled evaporation rate and strong solvating power suit specialty chemical manufacturing.
Commercial specifications
- Anhydrous and high-purity grades for pharmaceutical and battery-grade specifications
- Clear liquid in drum, IBC and bulk quantities
- Packaging from laboratory-scale containers to bulk tanker supply
Other Names (Synonyms)
Diethylene glycol dimethylether|1-methoxy-2-(2-methoxyethoxy)ethane|Diglyme
What are the physical properties of Diethylene glycol dimethyl ether?
Melting Point -68 °C
Boiling Point 162 °C @ Press: 760 Torr
Density 0.9451 g/cm³ @ Temp: 20 °C
Flash Point 134.6 °F
Appearance Colorless clear liquid
Color ≤10(APHA)
Odor Mild ethereal.
Form Liquid
Water Solubility Miscible
Vapor Pressure 3 mm Hg ( 20 °C)
Refractive Index n 20/D 1.408(lit.)
pH 7 (20°C)
Log P -0.36 at 25℃
How is Diethylene glycol dimethyl ether classified and handled safely? Learn More
Danger
GHS02· Flammable GHS08· Health Hazard GHS07· Irritant
Hazard Statements
H226 Flammable liquid and vapor
H303 May be harmful if swallowed
H316 Causes mild skin irritation
H320 Causes eye irritation
Precautionary Statements
P203 Obtain, consult and follow expert instructions for use.
P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P233 Keep container tightly closed.
P240 Ground and bond container and receiving equipment.
Which trade and regulatory codes apply to Diethylene glycol dimethyl ether?
HS Code 29091900
UN Number 3271
ADR Class 3
Packing Group III
Storage Class 3 - Flammable liquids
WGK (Germany) 1