Ethylene is a key organic compound that is widely used in the petrochemical industry. It is classified as a hydrocarbon and is composed of two carbon atoms and four hydrogen atoms, represented by the chemical formula C2H4. Ethylene is a colorless, flammable gas with a sweet odor, and it is considered one of the most important building blocks in the chemical industry. The primary use of ethylene is as a raw material for the production of various polymers, including polyethylene, which is the most widely used plastic in the world. Ethylene is also utilized in the manufacturing of numerous other chemicals and products, such as ethylene oxide, ethylbenzene, and ethanol. The production of ethylene is predominantly achieved through the steam cracking of hydrocarbons, such as natural gas, naphtha, and ethane, in a process that involves high-temperature pyrolysis. Ethylene plays a vital role in the production of plastics, packaging materials, detergents, synthetic fibers, and a wide range of industrial and consumer products. As a versatile chemical building block, ethylene is essential in various industrial applications and continues to be a cornerstone of the modern petrochemical industry. Its widespread use and versatility make it a critical component in the global chemical and manufacturing sectors.