Niobium 

 Niobium powder 
 Niobium powder one 

 Cas No. [7440-03-1] MDL: - MFCD00011126 
 The Beilstein EINECS: - 231-113-5 
 Formula Nb 
 Molecular weight of 92.91 
 Traits steel gray with shiny metal. Hard and scalability. Stable at room temperature in air. Heating generate five halide and halogen reaction. Soluble in hydrofluoric acid and concentrated sulfuric acid, reaction with sodium hydroxide solution. 
 Density: 8.57 
 Melting point: 2468 ± 10 ° C 
 Boiling point: 4742 ℃ 

 Note: The above description is for reference only, does not mean that you receive the product with this description exactly matches the standard of products manufactured, see the quality standards. 
 Quality standards 
 99.99%: 

 Appearance Appearance gray powder 
 X-ray diffraction analysis of the X-Ray Diffraction Conforms to standard 
 Purity Purity ≥ 99.99% Based On the Trace Metals, Analysis 
 ICP Assay Confirms Niobium component 
 Total metallic impurities, Total metallic C. A 200ppm by by ICP Atomic emission 


 99.5 percent: 


 Appearance Appearance gray powder 
 X-ray diffraction analysis of the X-Ray Diffraction Conforms to standard 
 Based On the Trace Metals, Analysis purity Purity ≥ 99.5% 
 ICP Assay Confirms Niobium component 
 Total metallic impurities, Total metallic C. A 3000ppm by by ICP Atomic emission 
 (Fe, Cu, C, N,, Ni, Mn, Si, Mo, and Cr, O, Ta) 

 Storage sealed save. 
 The purpose is mainly used for making special stainless steel, high temperature alloys, superconducting alloys, super-hard alloy. 
 UN number 
 Risk: 
 Safety: S24/25 - 
 Hazard: