Fluorine is the most powerful oxidizing agent. like its relative ,chlorine ,it is classified as a 2.3 poison gas the DOT and is toxic by inhalation, with a TLV of 1 ppm Liquid fluorine is such a strong oxidizers that it can cause concrete to burn. it is a pale-yellow gas or cryogenic liquid with a pungent odor. It reacts violently with a wide range of organic compounds, and is a dangerous fire and explosion risk when in contact with these materials. It is used in the production of metallic and other fluorides production of fluorocarbons, active constituent of fluoridating compounds use in drinking water, toothpastes, est