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Lanthanum Boride (LaB6)-Rod

  • 12008-21-8
  • LaB6
  • 570500RD
  • 99.5%
  • Dia 7 mmx 50 mm length.
  • 234-531-6

Lanthanum hexaboride (LaB6, also called lanthanum boride and LaB) is an inorganic chemical, a boride of lanthanum. It is a refractory ceramic material that has a melting point of 2210 °C, and is insoluble in water and hydrochloric acid.

Chemical formula:LaB6

Molar mass: 203.78 g/mol

Appearance: intense purple violet

Density: 4.72 g/cm3

Melting point: 2,210 °C (4,010 °F; 2,480 K)

Solubility in water:insoluble


The principal use of lanthanum hexaboride is in hot cathodes, either as a single crystal or as a coating deposited by physical vapor deposition. 

LaB6 is also used as a size/strain standard in X-ray powder diffraction to calibrate instrumental broadening of diffraction peaks.

LaB6 is a superconductor with a relatively low transition temperature of 0.45 K.