Europium Powder

Formula: Eu

Form: Powder

Material: Europium

CAS Number: 7440-53-1

Commodity: Metals

Purity: 99.9%

Max Particle Size: 425μm

Weight: 1g

Hazard Pictogram: GHS02

Europium Powder is a rare earth element powder with unique optical and magnetic properties. It’s highly reactive and has a brilliant phosphorescence under UV light. This luminescent powder is used in fluorescent lamps, LEDs, lasers and as a red phosphor in televisions. With its excellent and highly sought-after properties, Europium Powder is well-suited for research and development applications.

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Technical Data Sheet Safety Data Sheet Tolerance Properties

Flammable

each

Tolerances

Powder

Mean Particle Size		Nominal
Minimum Particle Size		Nominal
Maximum Particle Size		Nominal
Maximum Particle Size		Nominal
Particle Size D10		Nominal
Particle Size D50		Nominal
Particle Size D90		Nominal

Material Properties for Metals

Atomic Properties

Element	Value
Atomic number	63
Crystal structure	Body centred cubic
Electronic structure	Xe 4f⁷ 6s²
Valences shown	2, 3
Atomic weight( amu )	151.96
Thermal neutron absorption cross-section( Barns )	4100
Photo-electric work function( eV )	2.5
Natural isotope distribution( Mass No./% )	153/ 52.2
Natural isotope distribution( Mass No./% )	151/ 47.8
Atomic radius - Goldschmidt( nm )	0.204
Ionisation potential( No./eV )	1/ 5.67
Ionisation potential( No./eV )	2/ 11.25

Mechanical Properties

Element	Value
Material condition	Polycrystalline
Poisson's ratio	0.286
Bulk modulus( GPa )	12.1
Tensile modulus( GPa )	14.7
Hardness - Vickers( kgf mm⁻² )	20

Electrical Properties

Element	Value
Electrical resistivity( µOhmcm )	90.0@25@25°C
Temperature coefficient( K⁻¹ )	0.0048@0-100°C

Physical Properties

Element	Value
Boiling point( C )	1597
Density( gcm⁻³ )	5.243@25°C

Thermal Properties

Element	Value
Melting point( C )	822
Latent heat of evaporation( J g⁻¹ )	1155
Latent heat of fusion( J g⁻¹ )	63.4
Specific heat( J K⁻¹ kg⁻¹ )	176@25°C
Thermal conductivity( W m⁻¹ K⁻¹ )	13.9@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	32@0-100°C

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Europium Powder

Tolerances

Material Properties for Metals