SoleChem

Triethylene glycol monoethyl ether

CAS
112-50-5
EC
203-978-9
Mol. Weight
178.23 g/mol

Description

Triethylene glycol monoethyl ether (CAS 112-50-5), sold commercially as Dowanol TE, is a slow-evaporating glycol ether solvent used to control drying rates and improve flow. It helps extend open time in coating and printing formulations.

Its low volatility and strong solvency for resins and pigments make it a preferred carrier in systems where rapid evaporation causes defects. In printing inks, it functions as a retarder solvent to prevent premature drying on press.

This chemical reduces screen clogging in gravure and flexographic operations. Architectural and industrial coatings use it to improve leveling and reduce brush marks in both waterborne and solvent-based systems for better finishes.

Adhesive formulators incorporate it to extend working time in contact adhesives and pressure-sensitive formulations. This is critical to bond quality where open time must be maintained during the application process.

Sealant and elastomer compounders use it as a coalescing aid and plasticizing solvent. These properties help maintain flexibility and processability in finished products across various industrial and commercial environments.

Triethylene glycol monoethyl ether is supplied as a clear, low-viscosity liquid in drums, IBCs, and bulk tanker quantities. Technical grade is the standard commercial offering for industrial coatings and inks.

High-purity grades are available for specialty formulation work requiring tighter quality specifications. Our logistics network ensures reliable delivery of this essential solvent for your manufacturing and production needs.

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Physical Properties

Melting Point -18.7 °C
Boiling Point 255.4 °C @ Press: 760 Torr
Density 1.018 g/cm³ @ Temp: 25 °C
Flash Point >230 °F
Appearance Odorless colorless liquid. Sinks and mixes with water.
Color Colorless to Almost colorless
Form clear liquid
Water Solubility 1.02g/L at 20℃
Vapor Pressure 1.15Pa at 19.85℃
Refractive Index n 20/D 1.438(lit.)
Log P -0.6 at 20℃

Safety & Handling (Learn More)

Warning GHS07
Hazard Statements
H319 Causes serious eye irritation
Precautionary Statements
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P264+P265 Wash … thoroughly after handling.
P337+P317 If eye irritation persists: Get medical advice/attention. Get emergency medical help.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Trade & Regulatory

HS Code 29094990
Storage Class 10 - Combustible liquids

Documentation

Other Names

2-(2-(2-Ethoxyethoxy)ethoxy)ethanol|Dowanol TE|Triglycol monoethyl ether|Ethoxytriethylene glycol|Triethylene glycol ethyl ether|Ethanol, 2-[2-(2-ethoxyethoxy)ethoxy]-

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