CAS No 55353-02-1 , dichromium copper diiron heptaoxide
Name: dichromium copper diiron heptaoxide
Synonyms: Pigment Black 22;dichromium copper diiron heptaoxide;Chromium copper iron oxide (Cr2CuFe2O7);Fast Black 100;77429;Copper chromite black spinel;chromic copper ferric oxygen(-2) anion;