... 50kg paper bucketUsage: The catalyst, intermediates, also applied in coating, anyi UV glass, nigrosine, black ink, enamel, photographic developer . medicine, plant protection.Properties ... .3.357;Flake: brown flake solid,M.P.:690oC, decomposition in 1750oCSpecifications:we can supply large vanadium pentoxide99% ,99.5% ,99 ...