Description
Zinc Oxide (ZnO) is a white, inorganic compound that is insoluble in water and widely used in various industries due to its antibacterial, UV-protective, and semiconductor properties.
Properties
- Chemical Formula: ZnO
- Appearance: White powder
- Density: ~5.6 g/cm³
- Melting Point: ~1,974°C (decomposes)
- Boiling Point: ~2,360°C
- Solubility: Insoluble in water, soluble in acids and bases
- Crystal Structure: Wurtzite (hexagonal) or Zincblende (cubic)
- Band Gap: ~3.3 eV (semiconductor property)
Uses & Applications
- Medicine & Skincare: Found in sunscreens, diaper rash creams, and acne treatments due to its antibacterial and soothing properties.
- Rubber Industry: Used in vulcanization to improve durability and UV resistance.
- Paints & Coatings: Acts as a pigment and UV stabilizer in paints and coatings.
- Electronics & Semiconductors: Used in solar cells, LEDs, and transistors due to its semiconductor properties.
- Food Industry: Added to breakfast cereals and dietary supplements as a zinc source.
- Ceramics & Glass: Enhances thermal stability and mechanical strength.
- Cement & Construction: Improves water resistance and processing.
Advantages
- UV Protection: Shields against harmful radiation, making it ideal for sunscreens.
- Antibacterial Properties: Helps in wound healing and skincare.
- Versatile Industrial Uses: Essential in rubber, ceramics, and electronics.
- Non-Toxic & Safe: Approved for use in cosmetics and food.
- High Thermal Stability: Suitable for high-temperature applications.
Zinc Oxide is a multifunctional compound with applications across medicine, industry, and technology.
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