sentence: Permanganates are the most toxic manganese compounds.
sentences_before: Manganese dust can irritate lungs. Some manganese compounds cause toxicity when ingested. Manganese is less toxic than nickel or copper.
sentences_after: When someone is exposed to manganese for a long time it can cause a problem with the nervous system.
concept_name: permanganate
headings: Manganese Safety
categories: Chemical elements Metals