Ethylene Glycol Diglycidyl Ether (CAS 2224-15-9): Comprehensive User Guide
Table of Contents
1. Product Overview & Technical Specifications
Ethylene Glycol Diglycidyl Ether (EGDGE, CAS 2224-15-9) is a bifunctional epoxy compound with molecular formula C8H14O4. Key parameters:
| Parameter | Specification |
|---|---|
| Molecular Weight | 174.19 g/mol |
| Purity | ≥98% |
| Viscosity (25°C) | 15-25 mPa·s |
| Epoxide Value | 0.65-0.75 eq/100g |
2. Industrial Applications & Functional Uses
Primary applications include:
- Reactive diluent in epoxy resin systems
- Crosslinking agent for polymers
- Surface modification in textile treatments
- Adhesive formulation component
- Electronic encapsulant material
3. Comparative Analysis with Compounding Agents
| Property | EGDGE | BDGE | PEGDGE |
|---|---|---|---|
| Reactivity | High | Medium | Low |
| Viscosity | 15-25 mPa·s | 30-50 mPa·s | 100-150 mPa·s |
| Thermal Stability | Up to 180°C | Up to 150°C | Up to 130°C |
4. Implementation Case Studies
Case 1: High-Performance Composite Manufacturing
Challenge: Achieve 30% viscosity reduction in aerospace epoxy without compromising Tg
Solution: 12% EGDGE substitution in DGEBA system
Result: Viscosity reduced from 8500 to 3200 mPa·s, Tg maintained at 145°C
5. Verified Client Implementations
Client A: Specialty Coatings Producer (Germany)
Application: Low-VOC industrial floor coating
Outcome: 22% faster curing at 50°C, achieved REACH compliance
Client B: Electronics Manufacturer (Japan)
Application: Semiconductor encapsulation
Outcome: Moisture resistance improved by 40%, CTE reduced to 28 ppm/°C
6. Technical Consultation & Ordering
For formulation assistance or bulk pricing:
Email: info@vivalr.com
Tel: (86) 15866781826
Our epoxy specialists provide:
- Technical datasheets with FTIR/NMR analysis
- Custom formulation support
- Regulatory compliance documentation



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