Chemical Name: Tetraethyleneglycol Monomethyl Ether
Synonyms: 3,6,9,12-Tetraoxotridecanol
CAS No.: 23783-42-8
Molecular Fomula: C9H20O5
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 |
This multifunctional compound serves critical roles in:
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 |
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.
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
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