Tetrachloromethane (Carbon Tetrachloride)

Tetrachloromethane (Carbon Tetrachloride) Definition

• Tetrachloromethane, commonly known as Carbon Tetrachloride (CCl₄), is a colorless, volatile, non-flammable liquid with a characteristic sweet odor.
• It is a chlorinated hydrocarbon in which all four hydrogen atoms of methane (CH₄) are replaced by chlorine atoms.

Structure:

1. Chemical Formula: CCl₄
2. Molecular Structure: A single carbon atom bonded to four chlorine atoms.
3. Bonding: The carbon atom forms four single bonds, each to a chlorine atom.
4. Geometry: Tetrahedral geometry with the carbon atom at the center and chlorine atoms at the corners.

Uses:

1. Solvent: Historically used as a solvent for fats, oils, and greases.
2. Fire Extinguishers: Used in fire extinguishers due to its non-flammability (historically).
3. Refrigerant: Used as a precursor in the production of refrigerants like CFCs.
4. Pesticide: Employed in agriculture as a fumigant (now restricted due to environmental concerns).

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