Iodine is probably one of the more well known chemicals that you are going to find on the periodic table because it is one of the few that everybody hears about when they learn the chemicals initially. This chemical is going to be the heaviest of the stable halogens that you are going to find and it will exist as a purple/black metallic solid when it is at standard conditions. It was originally founded in 1811. Iodine is used in a wide variety of different applications and each one has a different level of importance that surrounds it. For example, about half of all iodine works to help produce an assortment of organoiodine compounds. Among the main practical uses of this chemical, you are going to find it uses in animal feed supplements, sanitations, photograph and pharmaceutical as well. As you can tell, there is clearly a wide variety of uses for this particular chemical.