Diethylene glycol dimethyl ether CAS 111-96-6

Chemical Name: Diethylene glycol dimethyl ether (Diglyme)
Synonyms: 2-Methoxyethyl ether; Bis(2-methoxyethyl) ether
CAS No.: 111-96-6
Molecular Formula: C6H14O3
Molecular Weight: 134.17
Appearance: Transparent liquid

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Diethylene Glycol Dimethyl Ether (CAS 111-96-6) Comprehensive Guide

Table of Contents

1. Product Overview & Specifications

Diethylene glycol dimethyl ether (DGDE, CAS 111-96-6) is a high-purity solvent with molecular formula C6H14O3. Key parameters:

Parameter Value
Molecular Weight 134.17 g/mol
Boiling Point 162°C
Flash Point 58°C
Density (20°C) 0.945 g/cm³
Viscosity (25°C) 1.4 mPa·s

2. Key Applications & Industrial Uses

Primary industrial applications include:

  • ✔️ Lithium-ion battery electrolytes
  • ✔️ Pharmaceutical intermediate reactions
  • ✔️ Specialty coating formulations
  • ✔️ Industrial cleaning solutions
  • ✔️ Polymerization processes

3. Performance Comparison with Alternatives

Property DGDE THF DME
Dielectric Constant 7.2 7.6 5.0
Water Solubility Miscible Limited Partial
Hansen Solubility δD=16.3, δP=6.1, δH=9.2 δD=17.4, δP=5.7, δH=8.0 δD=15.1, δP=4.3, δH=10.1

4. Step-by-Step Usage Guidelines

  1. Material Preparation: Store at 15-30°C in sealed containers
  2. Dosage Control: Typical concentration 5-15% in electrolyte systems
  3. Mixing Procedure: Add gradually under nitrogen atmosphere
  4. Quality Control: Monitor water content (<500 ppm)

5. Industry Case Studies

Case 1: Battery Manufacturer (Shenzhen, China)

  • Challenge: Improve low-temperature performance of Li-ion cells
  • Solution: 8% DGDE in electrolyte formulation
  • Result: 40% improvement in -20°C discharge capacity

Case 2: Pharmaceutical Company (Mumbai, India)

  • Challenge: Reduce reaction time for API synthesis
  • Solution: DGDE as reaction medium at 80°C
  • Result: 25% faster reaction kinetics

6. Technical Support & Inquiry

For bulk pricing, SDS documentation, or customized solutions:

Email: info@vivalr.com

Tel: (86) 15866781826

Our technical team provides:

  • 24/7 application support
  • Custom formulation development
  • Regulatory compliance guidance
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