Bismuth is a chemical element with symbol Bi and atomic number 83. Bismuth, a pentavalent post-transition metal, chemically resembles arsenic and antimony. Elemental bismuth may occur naturally
B 0185 (OTTO) Bismuth, powder, 99.99% Cas no 7440-69-9 - used in metal alloys with other metals such as iron, to create alloys to go into automatic sprinkler systems for fires