Comprehensive Guide to Tetraethylene Glycol Monomethyl Ether (CAS 23783-42-8)
Table of Contents
- 1. Product Overview & Technical Specifications
- 2. Key Applications & Industrial Uses
- 3. Performance Comparison with Similar Compounds
- 4. Operational Guidelines & Safety Protocols
- 5. Industry-Specific Use Cases
- 6. Verified Customer Implementations
- 7. Procurement & Technical Inquiry
1. Product Overview & Technical Specifications
Tetraethylene Glycol Monomethyl Ether (CAS 23783-42-8) is a high-purity glycol ether derivative with the molecular formula C9H20O5. This clear, colorless liquid exhibits exceptional solvent properties and thermal stability, making it ideal for precision industrial applications.
| Parameter | Specification |
|---|---|
| Molecular Weight | 208.25 g/mol |
| Boiling Point | 285-290°C |
| Flash Point | 145°C (Closed Cup) |
| Density | 1.06 g/cm³ at 20°C |
| Viscosity | 15-20 mPa·s at 25°C |
2. Key Applications & Industrial Uses
This multifunctional compound serves critical roles in:
- Polymer Production: Reactive diluent in epoxy resin formulations
- Electronics Manufacturing: Carrier solvent for photoresist compounds
- Pharmaceuticals: Co-solvent in transdermal drug delivery systems
- Coating Systems: Flow control additive in automotive paints
- Chemical Synthesis: Intermediate for specialty surfactants
3. Performance Comparison with Similar Compounds
| Property | Tetraethylene Glycol Monomethyl Ether | Triethylene Glycol Monomethyl Ether |
|---|---|---|
| Hydroxyl Value | 270-290 mg KOH/g | 310-330 mg KOH/g |
| Evaporation Rate | 0.01 (Butyl Acetate=1) | 0.03 (Butyl Acetate=1) |
| Water Solubility | Complete | Complete |
4. Operational Guidelines & Safety Protocols
- Storage: Maintain in sealed containers under nitrogen atmosphere
- Handling: Use chemical-resistant gloves (Butyl rubber recommended)
- PPE Requirements: Full-face protection during transfer operations
- Disposal: Incinerate in approved chemical waste facilities
5. Industry-Specific Use Cases
Case 1: Semiconductor Photoresist Formulation
A leading Asian electronics manufacturer achieved 23% improvement in pattern resolution by incorporating this ether as a viscosity modifier in EUV photoresists.
Case 2: High-Performance Adhesive Development
European adhesive producer enhanced bond strength by 40% in extreme temperatures (-50°C to 200°C) through optimized concentration in epoxy formulations.
6. Verified Customer Implementations
Client A: Global Paint Manufacturer (Germany)
– Application: Waterborne industrial coatings
– Result: 18% reduction in VOC emissions while maintaining film integrity
Client B: Pharmaceutical Company (USA)
– Application: Transdermal patch solvent system
– Outcome: 35% increase in drug permeability rates
7. Procurement & Technical Inquiry
For technical specifications sheets, bulk pricing, or application engineering support:
Email: info@vivalr.com
Phone: (86) 15866781826
Our chemical engineering team provides:
– Custom formulation assistance
– Regulatory compliance documentation
– Just-in-time delivery solutions



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