CAS No.7440-19-9,Samarium Suppliers,MSDS download

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Basic Information

Molecular Structure:
CAS No.:	7440-19-9
Name:	Samarium
Article Data:	54

Formula:	Sm
Molecular Weight:	150.36
Synonyms:	SAMARIUM, PLASMA STANDARD SOLUTION;SAMARIUM SINGLE ELEMENT STANDARD;SAMARIUM STANDARD;SAMARIUM ATOMIC ABSORPTION STANDARD SOLUTION;SAMARIUM, AAS STANDARD SOLUTION;SAMARIUM;SAMARIUM ICP STANDARD;SAMARIUM PLASMA EMISSION SPECTROSCOPY STANDARD
EINECS:	231-128-7
Density:	7.47 g/mL at 25 °C(lit.)
Melting Point:	1074 °C(lit.)
Boiling Point:	1794 °C(lit.)
Solubility:	Insoluble in water.
Appearance:	silvery grey powder
Hazard Symbols:	F,R
Risk Codes:	11-15-33
Safety:	16-30-33
PSA:	0.00000
LogP:	0.00000

Synthetic route

: samarium(III) oxide

: 7440-19-9
samarium

Conditions

Conditions	Yield
With zirconium In neat (no solvent) reduction by heating the pressesd mixture (99.05 Sm2O3, purity of reducing reagent >99.5%) to 1100-1200°C at maximal 2E-4 Torr, distn. of Sm, Mo-vessel;;;	91%
With lanthanum In neat (no solvent) heating in a Ta-vessel to 1450°C at less than 1E-3 Torr for 30min, distn. of Sm;; purity >98%;;	>80
With aluminium In neat (no solvent) reduction, formation of Al-Sm-alloy;;

: samarium(III) oxide

: 7440-45-1
cerium

A: cerium(III) oxide

B: 7440-19-9
samarium

Conditions

Conditions	Yield
vapor pressure of Sm between 1217 and 1473°K given as equation; optimal conditions: 1200°C, 1E-3 Torr;	A n/a B 90%
in vac.;

...Expand

: samarium(III) nitrate

: 7440-19-9
samarium

Conditions

Conditions	Yield
In ethylenediamine Electrolysis; 150V, 4.4mA/cm**2, 0.37g nitrate in ethylene diamine;;	41%

: samarium(III) oxide

: 7439-91-0
lanthanum

A: lanthanum(III) oxide

B: 7440-19-9
samarium

Conditions

Conditions	Yield
in vac.;

...Expand

: samarium diiodide

: 80937-33-3
oxygen

: 7440-23-5
sodium

A: 7440-19-9
samarium

B: samarium(II,III) oxide iodide

C: 7681-82-5
sodium iodide

Conditions

Conditions	Yield
In melt under Ar in a tantalum ampoule, in Na melt, heating to 650 °C for7 d, oxygen as the contamination of SmI2; cooling in air to room temp., selected under a microscope;

...Expand

: samarium(III) oxide

: 7429-90-5
aluminium

A: 1333-84-2, 1344-28-1
aluminum oxide

B: 7440-19-9
samarium

Conditions

Conditions	Yield
in vac.;

...Expand

: 10361-82-7
samarium(III) chloride

: 7440-19-9
samarium

Conditions

Conditions	Yield
In neat (no solvent) reduction with alkali metal between 200 and 400°C; reversible react. >400°C;;
With calcium In neat (no solvent) byproducts: Zn-Sm-alloy; 400-750°C, steel-tube coated with CaO, booster: ZnCl2;; small amounts of alloy;;	0%
In melt Electrolysis; melting at 8V and 30-40A, electrolysis at very high temperatures and 50-100A;;
In melt eutectic KCl/LiCl-mixture, 800°C, 2A/cm**2; cathode: liquid Cd, formation of an alloy, separation of cathode material by distn.;;
In melt eutectic KCl/LiCl-mixture, 800°C, 2A/cm**2; cathode: liquid Mg, Zn or Cd, formation of an alloy, separation of cathode material by distn.;;

: 10361-82-7
samarium(III) chloride

A: 7440-19-9
samarium

B samarium(II) chloride: samarium(II) chloride

Conditions

Conditions	Yield
With sodium In neat (no solvent) reduction of oxide-free chloride;;	A 0% B n/a
With calcium In neat (no solvent) 400-750°C, steel-tube coated with CaO, booster: I2, sulfur or KClO3;;	A 0% B n/a
With calcium In neat (no solvent) byproducts: CaCl2; reduction under Ar, 550-1000°C;;	A 0% B n/a

: 13765-24-7
samarium(III) fluoride

: 7440-19-9
samarium

Conditions

Conditions	Yield
With lithium In neat (no solvent) byproducts: LiF; reduction in a Ta-vessel under Ar, start of react. at 700°C, cooling within 2-3h, removal of excess Li with H2O, mechanical separation of LiF;;
With LiF; CaF2 In melt Electrochem. Process; electrodeposited onto Ni at 850°C;
With LiF; CaF2 In melt Electrochem. Process; electrodeposited onto Mo at 850°C;	0%

: (Sm((CH3)3CCOCHCOC(CH3)3)3)

A: 7440-19-9
samarium

B: 122031-37-2
2,2,6,6-tetramethyl-3,5-heptadionato ion

Conditions

Conditions	Yield
In gaseous matrix Irradiation (UV/VIS); photodissociation (248 nm) in a buffer gas (N2+CH4), heating of precursor; laser-induced fluorescence;

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Specification

The Samarium is an organic compound with the formula Sm. The IUPAC name of this chemical is samarium. With the CAS registry number 7440-19-9, it is also named as samario. The product's categories are Inorganics; Catalysis and Inorganic Chemistry; Chemical Synthesis; Metals; Samarium; SamariumMetal and Ceramic Science. Besides, it is a silvery grey powder, which should be stored in a cool and dry place.

Preparation: the metal is often prepared by electrolysis of a molten mixture of samarium(III) chloride with sodium chloride or calcium chloride. Samarium can also be obtained by reducing its oxide with lanthanum. The product is then distilled to separate samarium (boiling point 1794 °C) and lanthanum (b. p. 3464 °C).

Uses of Samarium: one of the most important applications of samarium is in samarium-cobalt magnets, which have a nominal composition of SmCo₅ or Sm₂Co₁₇. They have high permanent magnetization, which is about 10,000 times that of iron and is second only to that of neodymium magnets. However, samarium-based magnets have higher resistance to demagnetization, as they are stable to temperatures above 700 °C. These magnets are found in small motors, headphones, high-end magnetic pickups for guitars and related musical instruments. Another important application of samarium and its compounds is as catalyst and chemical reagent. Samarium catalysts assist decomposition of plastics, dechlorination of pollutants.

When you are using this chemical, please be cautious about it as the following:
It is highly flammable and has danger of cumulative effects. Please keep away from sources of ignition - No smoking. Besides, this chemical contacts with water liberates extremely flammable gases. When you are using it, never add water to this product. Take precautionary measures against static discharges.

You can still convert the following datas into molecular structure:
(1)SMILES: [Sm]
(2)InChI: InChI=1/Sm
(3)InChIKey: KZUNJOHGWZRPMI-UHFFFAOYAI
(4)Std. InChI: InChI=1S/Sm
(5)Std. InChIKey: KZUNJOHGWZRPMI-UHFFFAOYSA-N