P 2378 (OTTO) Potassium metavanadate, 98% Cas 13769-43-2 - used widely in chemical fertilizer industries, glass and ceramic industries, pharmaceutical industries. P 2378 (OTTO) Potassium metavanadate, 98% Cas 13769-43-2 - used in the process of pigment production for plastics, enamels, ceramics. P 2378 (OTTO) Potassium metavanadate, 98% Cas 13769-43-2 - used for industrial gas desulphuration and H2S adsorption and elimination.