Color: Bright red to brick red
Form: Fine powder
Odour: Odourless
Solubility: Insoluble in water; dissolving in strong acid (such as HCl)
Pigments: Mainly used as a coloring agent in paint, cosmetics, and ceramics
Pure enough for analytical and educational applications
Other: Polishes (such as “jeweller’s rouge”), dental abrasives, and coloring in compounds






