Samarium - Materials / Alfa Chemistry

NAVIGATION

Samarium

PRICE INQUIRY

Catalog Number

ACMA00014366

Product Name

Samarium

Category

Glass Additives

IUPAC Name

samarium

Molecular Weight

150.4g/mol

Molecular Formula

Canonical SMILES

[Sm]

InChI

InChI=1S/Sm

InChI Key

KZUNJOHGWZRPMI-UHFFFAOYSA-N

Boiling Point

1794 °C

Melting Point

1072 °C

Density

7.52 g cu cm at 25 °C

Color/Form

Silvery metal; rhombohedral

Complexity

Covalently-Bonded Unit Count

EC Number

231-128-7

Exact Mass

151.91974g/mol

Formal Charge

Heavy Atom Count

MeSH Entry Terms

Samarium

Monoisotopic Mass

151.91974g/mol

Other Experimental

Samarium has high thermal neutron capture cross section ... has a low rate of burn off when used in control rods or in ceramics for radiation protection;Reasonably stable in air;Three crystal modifications of the metal exit, eith transformations at 734 and 922 °C;Ignites in air at 150 °C;Specific heat capacity at 298 K, J-mol/K: 29.6; linear coefficient of expansion, 10-6/K: 10.4; thermal conductivity W/cm/K: 0.133; Vickers hardness: 45; Modulus of elasticity, 10+10 N/sq m: 5.75; Shear modulus, 10+10 N/sq m:1.26;Poisson's ratio: 0.352; Grueneisen constant for temperature dependence of electrical resistivity: 0.63; Electrical resistivity, microohlm/cm: 94; Electrion emission, eV: 2.7-2.8; crystal structure of stable phase at room temperature; Lattice constants, nm: 0.3621 (a); 2.625 (c); Distillation rate: 83 g-sq cm/hr at 1.3X10-3 bar;33 isotopes and isomers of samarium ... natural samarium is a mixture of seven isotopes, three of which are unstable but have long half-lives;Samarium-147 and -148 are naturally occurring and stable. Samarium-129 through -143 and samarium-155 through -162 are artificially produced and are radioactive.

Rotatable Bond Count

UNII

42OD65L39F

Vapor Pressure

1.3X10-5 bar at 722 mm Hg; 1.3X10-3 bar at 964 mm Hg

MSDS

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COA

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Spec Sheet

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