Mercury (element) used in teething powders for infants. The mercury-containing organohalide merbromin (sometimes sold as Mercurochrome) is still widely used but has been banned in some countries such as the U.S. Mercury and most of its compounds are extremely toxic and must be handled with care; in cases of spills involving mercury (such as from certain thermometers or fluorescent light bulbs), specific cleaning procedures are used to avoid exposure and contain the spill. Protocols call for physically merging smaller droplets on hard surfaces, combining them into a single larger pool for easier removal with an eyedropper, or for gently pushing the spill
Demon in a Bottle he carries in his briefcase, flies out of the plane, and guides it to a safe landing in the ocean. Navy ships approach and soldiers help the passengers to safety, and bring Iron Man to an island base. They tell him the tank was thrown by Namor, who was defending a resident of the island that the soldiers were trying to remove, because the island is used as a toxic waste disposal site. Iron Man confronts and fights Namor, before it's revealed that the soldiers actually belong to the Roxxon Oil Corporation, which is secretly occupying the island to mine