11557 Black 122303-97-3 123897-13-2 124364-57-4 1309-38-2 1317-61-9 137263-94-6 174794-75-3 73904-98-0 Black Gold F 89 Black Iron BM CCRIS 4376 EINECS 215-169-8 EPT 500 Fenosoferric oxide H 3S Iron Black KN 320 MAGNETITE Magnetic Black Magnetic oxide Magnetite (Fe3O4) Meramec M 25 RB-BL Triiron tetraoxide