Lanthanum

Physical properties
Content created by REAL intelligence since 2016



Physical state @ 20°C: Solid [1]
Color: Silvery-white [1]
Luminescence: -
Luster: -
Transparancy: -
Streak: -
Odor: -

Molecular weight (g/mol): 138.90547(7) [9]
Melting point (°C): List of melting points 920 [1]
Boiling point (°C): List of boiling points 3420 [1]
Density (g/cm3): Density list α-form: 6.162 [5]
β-form: 6.19 [5]
γ-form: 5.97 [5]
Relative vapor density (g/cm3): -
Molar volume (cm3): 22.60 (20 °C) [2]
Vapor pressure: -
Critical temperature (°C): -
Critical pressure (kPa): -

Elastic properties:
Young's modulus (GPa):
Rigidity modulus (GPa):
Bulk modulus (GPa):
Poisson ratio:

38.2 [2]
14.3 [2]
27.9 [2]
0.28 [2]
Hardness:
Mineral hardness:
Brinell hardness (MN/m2):
Vicker hardness (MN/m2):

-
-
-

Reflectivity (%): -
Refractive index: -
Velocity of sound (m/s): -
Surface tension: -

Solubility: -

Decomposition temperature: n/a
Flammability: -
Flash point: -
Auto ignition temperature: -
Flammability or explosive limits (% v/v):
Upper:
Lower:


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