sentence: Organotin compounds are toxic, though.
sentences_before: The pipes on a pipe organ are made of tin. Tin foil was used before aluminium foil. Tin was one of the first superconductors to be found. Organotin compounds are more common than almost any other organometal compound. They are used in some PVC pipes to stop them from decaying.
concept_name: organotin compound
headings: Tin Uses
categories: Chemical elements Metals