C.I. Pigment Brown 24 (9CI, ACI)
C.I. Pigment Brown 24
An inorganic pigment that is the reaction product of high temperature calcination in which titanium (IV) oxide, chromium (III) oxide and antimony oxide in varying amounts are homogeneously and ionically interdiffused to form a crystalline matrix of rutile.  Its composition may include any one or a combination of the modifiers Al2O3, MnO, NiO, WO3, or ZnO.  This substance is identified in the COLOUR INDEX by Colour Index Constitution Number, C.I. 77310.