Cadmium Carbonate is a white, odorless crystal or powder. It is a ... known as Otavite). Cadmium Carbonate Cadmium Carbonate is a white, odorless crystal or powder. It is a naturally ... (known as Otavite), Which may be used in fungicides and in chemical reagents. Chemical Family : Metal Carbonate Formula : ... Insoluble, soluble in acids, KCN,NH, salts. Appearance and Odor : White, amorphous powder, no odor.