Tetraethylene Glycol (TetraEG) is a chemical compound from the glycol family. It consists of four ethylene units and five hydroxyl groups, giving it unique properties suitable for various industrial applications.

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Chemical and Physical Properties:

• Chemical Formula: C8H18O5C_8H_{18}O_5

• Molecular Weight: 194.23 g/mol

• Appearance: Transparent, colorless, viscous liquid

• Boiling Point: Approximately 314°C

• Freezing Point: Around 4°C

• Density: ~1.12–1.13 g/cm³ at room temperature

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Key Characteristics:

1. High viscosity compared to Triethylene Glycol (TEG).

2. Strong hygroscopic (moisture-absorbing) properties.

3. Excellent thermal stability and chemical resistance.

4. Good solubility in water and polar solvents.

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Applications of Tetraethylene Glycol
 

1. In Chemical Industries:

• Resin and Polymer Production:
  Used as a precursor in the synthesis of specific resins such as polyesters and epoxies.

• Surfactant Manufacturing:
  Involved in the production of surface-active agents.

2. In Oil and Gas Industry:

• Used as a solvent for cleaning equipment.

• Occasionally employed for water removal from certain gases.

3. In Lubricants and Industrial Fluids:

• An additive in lubricants due to its high viscosity.

• Utilized in heat transfer fluids or coolants.

4. In Paints and Printing Inks:

• Acts as a solvent or stabilizing agent in the formulation of specialized paints and inks.

5. In Pharmaceutical Industry:

• Used as a solvent or chemical intermediate in drug production.

6. In Textile Industry:

• Functions as a softening or lubricating agent during fabric production.

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Differences from Other Glycols:

• Larger and heavier than Triethylene Glycol (TEG), with higher boiling points and viscosity.

• Specialized for applications like resin production and complex chemical products.

If you need detailed technical specifications or insights into its use in a specific industry, let us know!