English name: Niobium (V) oxide; Columbium pentaoxide; Niobium pentaoxide
Other names: columbium pentoxide; niobium oxide
CAS number: 1313-96-8
Nb2O5 = 265.81
Level: 4N
Content: ≥99.99%
Properties: white rhombic crystal or powder. Turns yellow when heated. It is soluble in molten potassium hydroxide and potassium sulfate, but also soluble in alkali metal carbonate and hydroxide, as well as hydrofluoric acid and hot sulfuric acid. The relative density is 4.6. Melting point is 1520 ° C. Low toxicity, LD50 (rat, oral) 1400mg / kg. Irritating
Uses: biochemical research. Manufacture of niobium salt and metallic niobium. Used as piezoelectric conductor material in the electronics industry.
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