Product: Niobium Pentoxide CAS: 12034-59-2 PURITY: 99%MIN EINECS: 215-213-6 MW: 265.81 Density: 4.47 g/cm3 Functions and Applications 1. Used to prepare nickel niobate single crystal, special optical glass, piezoelectric ceramic components, lithium battery composite materials; 2. Used as raw material for preparation of niobium and its compounds; 3. Used as catalyst, refractory material.