Chlorine (Cl₂) Essential Disinfectant and Industrial Chemical

Chlorine is a greenish-yellow gas with a strong, pungent odor, widely used for disinfection and chemical manufacturing.

Atomic Number: 17
State: Gas at room temperature, can be liquefied
Uses:
- Water disinfection (drinking water, pools)
- Production of bleach and cleaning products
- Manufacture of plastics (like PVC)
- Chemical synthesis

Toxic and corrosive; inhalation or contact can cause irritation and health hazards
Requires careful handling with protective equipment