CAS No.: 27774-13-6 UN No.: 2931 Used in Manufacturing vanadium redox batterie. Dye stuff for textile industry. Colouring & pigment for coating and plating industry. Dispersions for styrene-butadiene, acryl. Additive for service time extension in lubricants. Catalysts for glyphosate, nitric acid. Glucose control in multi vitamin/multi mineral drugs.