Tetrachloroethylene, also known as perchloroethylene or PERC, is a colorless liquid commonly used as a solvent in dry cleaning and degreasing operations. It has a sweet odor and is effective in dissolving oils and fats, making it popular in various industrial applications. This chemical is classified as a volatile organic compound (VOC) and can pose health risks if inhaled or absorbed through the skin. Prolonged exposure may lead to symptoms such as dizziness, headaches, and respiratory issues. Due to its environmental impact, regulations are in place to limit its use and emissions.