Niobium pentoxide 

Niobium pentoxide (Nb2O5) is an insoluble solid fairly unreactive that is relatively abundant in nature.

Specifications

ShapeColorPurityPackageStorage
SinterGranule1-3 mm
3-5 mm
Upon demand
Black
Grey
99.99%1 Kg/BagAvoid exposure to sunlight & acid
Keep dry

Characteristics of niobium pentoxide

CAS NumberDensity (g/cm3)Boiling point (Cº)Melting point (Cº)Refractive index at 550 (nm)Transparency range (µm)Evaporation source
1313-96-84.47/15302.1-2.30.35-9E
ApplicationsFilter; HR coating

Evaporation technique

It can be deposited by electron beam and a tungsten crucible liner can be used.