Synonyms: Cobaltate(3-),hexakis(nitrito-N)-, tripotassium, (OC-6-11)-; Cobaltate(3-), hexakis(nitrito-kN)-, tripotassium, (OC-6-11)-(9CI); Cobaltate(3-), hexanitro-, tripotassium (8CI); Potassiumhexanitrocobaltate(III) (7CI); Potassium nitrocobaltate(III) (6CI); Aureolin;C.I. Pigment Yellow 40; Cobalt yellow; Cobaltic potassium nitrite; PigmentYellow 40; Tripotassium cobaltinitrite; Tripotassium hexanitrocobaltate(3-);Tripotassium hexanitrocobaltate(III)