Tetrachloromethane is a colorless liquid that is also known by other names such as carbon tetrachloride, perchloromethane, and tetraform. It has a sweet odor and is commonly used as a solvent, fire extinguisher, and refrigerant. Some other synonyms for tetrachloromethane include carbon tet, halon-104, methane tetrachloride, and chlorofluorocarbon-10. It is a highly toxic substance that can cause liver and kidney damage, as well as nerve damage if ingested or inhaled in large amounts. Therefore, it is important to handle this substance with extreme caution and follow proper safety procedures.