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Scandium

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Identification
Molecular formula
Sc
CAS number
7440-20-2
IUPAC name
scandium
State
State
At room temperature, scandium is in a solid state. It is typically stored in a sealed container to maintain its metallic luster, as it can tarnish when it reacts with air or moisture.
Melting point (Celsius)
1 541.00
Melting point (Kelvin)
1 814.00
Boiling point (Celsius)
2 836.00
Boiling point (Kelvin)
3 109.00
General information
Molecular weight
44.96g/mol
Molar mass
44.9560g/mol
Density
2.9850g/cm3
Appearence

Scandium is a soft metal with a silvery-white appearance. It is characterized by its shimmering, metallic luster and is often described as having a similar appearance to aluminum. Its surface oxidizes slightly when exposed to air, which can lead to a slight yellowish or pinkish tint as a layer of oxide forms.

Comment on solubility

Solubility of Scandium Compounds

Scandium itself, represented by the chemical symbol Sc, is a metal and thus does not have solubility in water or organic solvents in its elemental form. However, the solubility of scandium can be quite different when it is present in a variety of compounds. Here are some key points to consider:

  • Oxides: Scandium oxide (Sc2O3) is generally insoluble in water. However, it can dissolve in strong acids and bases.
  • Salts: Many scandium salts, such as scandium chloride (ScCl3), exhibit good solubility in water.
  • Complexes: Scandium can form various aqueous complexes that can enhance solubility, particularly in solutions involving organic ligands.
  • Temperature and pH Effects: The solubility of scandium compounds can be significantly affected by changes in temperature and pH levels of the solution.

In conclusion, while pure scandium is not soluble, the behavior of its compounds varies widely. As the saying goes, "It’s not just what you have, but how you use it," reflecting the diverse solubility profiles of scandium when it interacts with other substances.

Interesting facts

Interesting Facts About Scandium

Scandium, represented by the symbol Sc, is a fascinating chemical element that holds a special place in the periodic table. Here are several intriguing facts about this unique element:

  • Discovery: Scandium was first identified in 1879 by the Swedish chemist Lars Fredrik Nilson. Its name is derived from "Scandia," the Latin name for Scandinavia.
  • Rarity: Despite being classified as a transition metal, scandium is relatively rare in the Earth's crust. It is typically found in trace amounts in ores like thortveitite and is mainly extracted through complex purification processes.
  • Applications in Technology: Scandium is often used in aerospace components and aluminum alloys, greatly improving their strength without significantly adding weight. This makes it highly valuable in industries like aviation and sports equipment manufacturing.
  • Stability and Reactivity: Scandium has a +3 oxidation state and shows moderate reactivity. It reacts slowly with water and can form a protective oxide layer that preserves its integrity over time.
  • Biological Role: While scandium does not have a known biological role in humans, it is considered non-toxic and has potential uses in the fields of medicine and biochemistry.

As a transition metal, scandium's unique properties not only enrich the field of chemistry but also allow it to contribute significantly to various technological advancements. Its impact is both profound and multifaceted, making it an intriguing subject for further research and study.

In the words of chemist Robert J. Oppenheimer: "We knew the world would not be the same." Scandium certainly contributes to our understanding of materials science and the elements that shape our world.

Synonyms
SCANDIUM
7440-20-2
Sc
DTXSID9064689
UNII-YUJ4U1EW7R
Scandium Metallicum
EINECS 231-129-2
YUJ4U1EW7R
SCANDIUM, ELEMENTAL
DTXCID1047653
231-129-2
MFCD00016323
Scandium Nanofoil
escandio
scandium atom
Scandium Std - Sc @ 5000microg/g in 75 cSt Oil
Scandium Standard: Sc @ 1000 microg/mL in 5% HNO3
Scandium Standard: Sc @ 10000 microg/mL in 5% HNO3
Skandium
Scandium powder
Scandium ingot
Scandium, lump, vacuum remelted
Scandium Nanorods
Scandium Nanoprisms
21Sc
Ultra Thin Scandium Nanofoil
Scandium Standard: Sc @ 10 microg/mL in 2% HNO3
CHEBI:33330
ICP-MS Internal Standard: Sc @ 100 ug/mL in 2% HNO3
Scandium Standard: Sc @ 1000 microg/g in Hydrocarbon Oil
Scandium Standard: Sc @ 2000 microg/g in Hydrocarbon Oil
Scandium Internal Standard: Sc @ 10 microg/mL in 2% HNO3
Scandium pieces, distilled dendritic
AKOS024257641
Scandium rod, 12.7mm (0.5in) dia
Q713
Scandium foil, 0.1mm (0.004in) thick
Scandium foil, 0.25mm (0.01in) thick
NS00082261
A12813
Scandium - Sc @ 1000 microg/mL in 5% HNO3
Scandium arc-cast pellet, 15.9mm (0.63in) dia
Scandium - Sc @ 1000 microg/g in Hydrocarbon Oil
Scandium Std - Sc @ 500 microg/g in 75 cSt Oil
Lanthanum Nickel Strontium Oxide (LSNO) Sputtering Targets
Scandium, foil, 25x25mm, thickness 0.1mm, as rolled, 99%
Scandium, foil, 50x50mm, thickness 0.1mm, as rolled, 99%
Scandium, foil, thickness 0.3 mm, size 25 x 25 mm, purity 99%
Scandium, foil, thickness 0.3 mm, size 50 x 50 mm, purity 99%
Scandium, lump, 25.4 mm max. lump size, weight 1 g, purity 96+%
Scandium, lump, 25.4 mm max. lump size, weight 2 g, purity 96+%
Scandium, lump, 25.4 mm max. lump size, weight 5 g, purity 96+%
Scandium, foil, not light tested, 25x25mm, thickness 0.0125mm, as rolled, 99%
Scandium, foil, not light tested, 25x25mm, thickness 0.025mm, as rolled, 99%
Scandium, powder, max. particle size 250 micron, weight 1 g, purity 99.9%
Scandium, powder, max. particle size 250 micron, weight 2 g, purity 99.9%