Known as Freon 14, carbon tetrafluoride is a stable, non-flammable, colorless gas. It absorbs light at 8 mm (in the infrared), is very stable, and does not react with water. This compound is theoretically considered a likely candidate for warming the earth during the next ice age. [Chemical Physics Letters; 2; 663-664; 1968.] [International Journal or Mass Spectrometry and Ion Physics. 47; 159-162; 1983.]