Alcohol, High-Purity Solvents

Triethylene glycol (TEG)

Triethylene Glycol (TEG) 112-27-6

This product is a highly pure Triethylene Glycol (TEG) (CAS No. 112-27-6), composed of over 99% TEG. It presents as a clear, colorless, and odourless liquid, readily soluble in water. Engineered for diverse industrial applications, it serves effectively as a chemical intermediate, solvent, dehydrating agent, and heat transfer fluid. Key characteristics include a high boiling point of 287.4 °C, a low freezing point of -7.5 °C, and a relative density of 1.1245 at 20 °C. This versatile and non-flammable substance offers excellent stability for various processes.

Attributes

Key Features and Benefits

Effectively dehydrates natural gas and air conditioning systems.
Offers high purity for consistent industrial performance.
Serves as a versatile solvent for various organic and aqueous applications.
Possesses excellent thermal stability with a high boiling point.
Features low volatility and vapor pressure for stable operation.
Functions as a key intermediate in chemical synthesis, including plastics.
Ideal for heat transfer fluids and antifreeze formulations.
Safe to handle due to its colorless, odorless, and non-corrosive properties.

Specifications

Technical Highlights

Molecular Weight: 150.18
Appearance: Clear, colorless, practically odorless
Specific Gravity @ 20/20°C: 1.124 – 1.126
Purity, % wt: 99.0 min
Distillation Range (IBP-DP): 280.0 – 295.0°C
Water, % wt: 0.10 max
Acidity (as Acetic Acid), % wt: 0.005 max
Ash, % wt: 0.01 max
Refractive Index @ 20°C: 1.4530 – 1.4560
Viscosity @ 20°C, cP: 48

Download Technical Data Sheet (TDS)

Practical industry uses

Applications

Natural Gas Dehydration: Effectively removes water vapor from natural gas, preventing hydrate formation and corrosion in pipelines.
Aromatic Extraction Solvent: Used in petroleum refining to selectively dissolve aromatic compounds from hydrocarbon mixtures.
Humidity Control Agent: Utilized in air conditioning and ventilation systems to absorb moisture and maintain optimal humidity levels.
Solvent for Inks and Dyes: Serves as a versatile solvent in the formulation of printing inks, textile dyes, and other colorants.
Plasticizer: Employed in various polymers, such as vinyl films and coatings, to impart flexibility and durability.
Heat Transfer Fluid: Functions as a heat transfer fluid in industrial applications due to its high boiling point and thermal stability.