Iodine-131

Iodine-131 (aka Radiodine) is an extremely radioactive and hazardous Iodine isotope. It is naturally pyrophoric.

Production
Radiodine is a fission product that can be extracted from Short-Lived Nuclear Waste, of which Radiodine makes on average ~6.3% of.

Uses
Currently, it has no uses.

Trivia

 * Radiodine is why Iodine pills/tablets are given out or otherwise consumed during nuclear accidents.
 * IRL, it has medicinal uses.