Nomenclature
CAS number: 12016-69-2
Chromium cobalt oxide (Cr
2CoO
4); cobalt chromite.
CoCr
2O
4; mol wt 226.92.
Co 25.97%, Cr 45.83%, O 28.20%.
Description and references
Prepn: Gmelins, Cobalt (8th ed.) 58, (part A), 479 (1932) and supplement, 874-876
(1961).
Properties
Brilliant greenish-blue powder having a cubic
spinel structure. Almost insol in concd HCl and HNO3.Use
Green pigment for ceramics.