What is carbon tetrachloride?

Carbon Tetrachloride

Carbon tetrachloride, also known by many other names (the most notable being carbon tet in the cleaning industry, and as Halon or Freon in HVAC; see Table for others) is the organic compound with the formula CCl4. It was formerly widely used in fire extinguishers, as a precursor to refrigerants, and as a cleaning agent. It is a colourless liquid with a "sweet" smell that can be detected at low levels.

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