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12 Examples of Hydrophobic Substances

September 23, 2023
written by Sidra Batool

Hydrophobic substances are molecules or materials that repel water and do not easily mix or dissolve in it. These substances are typically nonpolar or have very weak polar properties.

Examples of Hydrophobic Substances

Here are some examples of hydrophobic substances:

1. Oil

Common cooking oils like vegetable oil, olive oil, and canola oil are hydrophobic and do not mix with water.

2. Fats and Lipids    

Butter is a hydrophobic substance composed of fats, making it resistant to water.

3. Wax    

Candle wax is hydrophobic and does not mix with water, which is why candles can burn in water.

4. Grease

Automotive grease is a hydrophobic lubricant used in vehicle maintenance.

5. Hydrophobic Membranes    

The lipid bilayer of cell membranes is hydrophobic, creating a barrier between the interior and exterior of cells.

6. Polytetrafluoroethylene (PTFE)    

Teflon is a hydrophobic material known for its nonstick properties and is used in cookware.

7. Hydrophobic Coatings    

Fabrics treated with hydrophobic coatings, such as those used in rain jackets, resist water absorption.

8. Nonpolar Gases    

Methane is an example of hydrophobic substance. They are nonpolar gas that does not readily dissolve in water.

9. Plastic    

Many plastics, including polyethylene, are hydrophobic and do not interact with water.

10. Polystyrene    

Polystyrene foam, commonly known as Styrofoam, is hydrophobic and repels water.

11. Hydrophobic Proteins    

Some amino acids, such as leucine and valine, have hydrophobic side chains that can contribute to the hydrophobic nature of proteins.

12. Hydrophobic Drugs    

Some drugs have hydrophobic properties, affecting their solubility and absorption in the body.

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