Rhenium | Solubility of Things

Identification

Molecular formula

_Re

CAS number

7440-15-5

IUPAC name

rhenium

State

Rhenium is in a solid state at room temperature. It is known for its high melting point and stability at high temperatures, making it suitable for use in high-temperature superalloys and industrial applications.

Melting point (Celsius)

3 186.00

Melting point (Kelvin)

3 459.00

Boiling point (Celsius)

5 596.00

Boiling point (Kelvin)

5 869.00

General information

Molecular weight

186.21g/mol

Molar mass

186.2070g/mol

Density

21.0200g/cm³

Appearence

Rhenium appears as a silvery-white, heavy metal with a remarkable lustrous quality. It is one of the densest elements and closely resembles platinum in its appearance.

Comment on solubility

Solubility of Rhenium

Rhenium (Re), a transition metal, presents unique characteristics in terms of solubility. Due to its metallic nature, rhenium does not dissolve in water, making it insoluble in aqueous solutions. Here are some key points to consider:

Inertness in Water: Rhenium does not react with water, which means it remains undissolved.
Solubility in Acids: While generally insoluble, rhenium can dissolve in certain strong acids, such as aqua regia, indicating its reactivity under specific conditions.
Complex Formation: Rhenium can also form soluble complex ions when combined with ligands, enhancing its solubility in non-aqueous environments.

It is essential to note that the solubility of rhenium compounds varies significantly based on their composition. For example:

Rhenium Trioxide (ReO₃): Less soluble in water.
Rhenium Chloride (ReCl₅): More soluble in polar solvents.

In conclusion, while elemental rhenium is generally insoluble and unreactive in water, its behavior changes significantly in the presence of strong acids or when forming complex compounds, showcasing the fascinating nature of this rare metal.

Interesting facts

Interesting Facts about Rhenium

Rhenium, represented as ^Re in the periodic table, is a fascinating element that belongs to the transition metals. Here are some captivating points about this rare and valuable metal:

Rarity in Nature: Rhenium is one of the rarest elements on Earth, found in very small concentrations, usually associated with molybdenite ores. Its scarcity leads to its high market value and intriguing status as a precious metal.
High Melting Point: One of Rhenium's most notable physical properties is its exceptionally high melting point, which is second only to tungsten. This makes it particularly valuable in applications requiring materials that can withstand extreme heat.
Uses in Catalysis: Rhenium is extensively used as a catalyst in various chemical reactions, especially in the production of high-octane gasoline through catalytic reforming. "The role of Rhenium in enhancing fuel efficiency is indispensable in modern chemistry," emphasizes many chemists.
Alloys: The unique properties of Rhenium allow it to be used in high-temperature superalloys, which are crucial for aerospace applications, particularly in jet engines and gas turbines, where performance and durability are paramount.
Medical Applications: Rhenium-186 and Rhenium-188 isotopes are utilized in targeted radiotherapy for certain types of cancer, exemplifying how this metal not only supports modern industry but also contributes to advancements in healthcare.
Discovery and Naming: Discovered in 1925 by the German chemist Walter Noddack, it is named after the Rhine River, showcasing its geographical significance and the element's connection to European heritage.

In conclusion, Rhenium is not just a chemical element but a symbol of innovation and advancement across multiple fields. Its rare properties and applications make it a subject of continued research and development in the world of materials science.

Synonyms

RHENIUM

7440-15-5

rhenium atom

Rhenium, elementar

RHENIUM ELEMENT

UNII-7YHU292INY

EINECS 231-124-5

7YHU292INY

RHENIUM [MI]

RHENIUM, ELEMENTAL

DTXSID9064685

CHEBI:49882

EC 231-124-5

NSC-600662

UN3089 (powder)

DTXCID7047649

231-124-5

Rhenium pellets

renio

75Re

MFCD00011195

Rhenium powder (99.99%) PURATREM

Rhenium ion(Re7 )

Rhenium, ion(Re7 )

Rhenium Standard: Re @ 1000 microg/mL in 5% HNO3

Rhenium Standard: Re @ 10000 microg/mL in 5% HNO3

Rhenium hydride

Rhenium powder

Rhenium foil

Rhenium wire

Rhenium Nanofoil

Rhenium Nanorods

rhenium-on-carbon

Rhenium Nanoprisms

rhenium pentahydride

rhenium(iii) hydride

Rhenium Metal Powder

Rhenium, Powder 22 Mesh

Rhenium powder, -325 mesh

AKOS015914602

Rhenium slug, 12.7mm (0.5in) dia

Rhenium wire, 0.5mm (0.02in) dia

Rhenium wire, 1.0mm (0.04in) dia

Rhenium foil, 1.0mm (0.04in) thick

Rhenium powder, -22 mesh, Puratronic?

Rhenium wire, 0.1mm (0.004in) dia

Rhenium wire, 0.25mm (0.01in) dia

Q737

Rhenium foil, 0.1mm (0.004in) thick

Rhenium foil, 0.25mm (0.01in) thick

NS00082233

Rhenium foil, 0.025mm (0.001in) thick

Rhenium rod, 4.7-5mm (0.19-0.2in) dia

Rhenium, powder, 99.995% trace metals basis

EN300-7565166

Rhenium - Re @ 1000 microg/mL in 5% HNO3

Rhenium foil, 0.5mm (0.02in) thick, annealed

Strontium Cobalt Oxide (SrCoO3) Sputtering Targets

Rhenium, powder, -100 mesh, >=99.9% trace metals basis

Rhenium, foil, thickness 0.25 mm, 99.98% trace metals basis

Rhenium, foil, thickness 1.0 mm, 99.98% trace metals basis

Rhenium, rod, 1.5 mm diameter, length 25 mm, purity 99.99%

Rhenium, rod, 1.5 mm diameter, length 50 mm, purity 99.99%

Rhenium, wire reel, 0.1m, diameter 0.2mm, annealed, 99.97%

Rhenium, wire reel, 0.1m, diameter 0.3mm, annealed, 99.97%

Rhenium, wire reel, 0.1m, diameter 0.5mm, annealed, 99.97%

Rhenium, wire reel, 0.1m, diameter 1.0mm, annealed, 99.97%

Rhenium, wire reel, 0.2m, diameter 0.2mm, annealed, 99.97%

Rhenium, wire reel, 0.2m, diameter 0.3mm, annealed, 99.97%

Rhenium, wire reel, 0.2m, diameter 0.5mm, annealed, 99.97%

Rhenium, wire reel, 0.2m, diameter 1.0mm, annealed, 99.97%

Rhenium, wire reel, 0.5m, diameter 0.2mm, annealed, 99.97%

Rhenium, wire reel, 0.5m, diameter 0.3mm, annealed, 99.97%

Rhenium, wire reel, 0.5m, diameter 0.5mm, annealed, 99.97%

Rhenium, wire reel, 1m, diameter 0.076mm, annealed, 99.97%

Rhenium, wire reel, 1m, diameter 0.10mm, annealed, 99.97%

Rhenium, wire reel, 1m, diameter 0.125mm, annealed, 99.97%

Rhenium, wire reel, 1m, diameter 0.15mm, annealed, 99.97%

Rhenium, wire reel, 1m, diameter 0.178mm, annealed, 99.97%

Rhenium, wire reel, 1m, diameter 0.25mm, annealed, 99.97%

Rhenium, wire reel, 1m, diameter 0.2mm, annealed, 99.97%

Rhenium, wire reel, 1m, diameter 0.3mm, annealed, 99.97%

Rhenium, wire reel, 2m, diameter 0.125mm, annealed, 99.97%

Rhenium, wire reel, 2m, diameter 0.15mm, annealed, 99.97%

Rhenium, wire reel, 2m, diameter 0.178mm, annealed, 99.97%

Rhenium, wire reel, 2m, diameter 0.25mm, annealed, 99.97%

Rhenium, wire reel, 2m, diameter 0.2mm, annealed, 99.97%

Rhenium, foil, thickness 0.025 mm, 99.98% trace metals basis

Rhenium, foil, thickness 0.03 mm, length 1 m, coil width 0.76 mm

Rhenium, foil, thickness 0.03 mm, length 2 m, coil width 0.76 mm

Rhenium, foil, thickness 0.04 mm, length 0.1 m, coil width .7 mm

Rhenium, foil, thickness 0.04 mm, length 0.1 m, coil width .8 mm

Rhenium, foil, thickness 0.04 mm, length 0.2 m, coil width .7 mm

Rhenium, foil, thickness 0.04 mm, length 0.2 m, coil width .8 mm

Rhenium, foil, thickness 0.04 mm, length 0.5 m, coil width .7 mm

Rhenium, foil, thickness 0.04 mm, length 0.5 m, coil width .8 mm

Rhenium, foil, thickness 0.04 mm, length 1 m, coil width .7 mm

Rhenium, foil, thickness 0.04 mm, length 1 m, coil width .8 mm

Rhenium, foil, thickness 0.04 mm, length 2 m, coil width .7 mm

Rhenium, foil, thickness 0.04 mm, length 2 m, coil width .8 mm

Rhenium, foil, thickness 0.05 mm, length 1 m, coil width 0.76 mm

Rhenium, foil, thickness 0.05 mm, length 2 m, coil width 0.76 mm

Rhenium, foil, thickness 1.0 mm, diameter 12 mm, purity 99.99%

Rhenium, rod, L 25 mm, diam. 4 mm, 99.99% trace metals basis

Rhenium, rod, length 100 mm, 1.5 mm diameter, purity 99.99%

Rhenium, wire reel, 0.025m, diameter 1.0mm, annealed, 99.97%

Rhenium, wire reel, 0.05m, diameter 0.5mm, annealed, 99.97%

Rhenium, wire reel, 0.05m, diameter 1.0mm, annealed, 99.97%

Rhenium, wire reel, 0.1m, diameter 0.076mm, annealed, 99.97%

Rhenium, wire reel, 0.1m, diameter 0.10mm, annealed, 99.97%

Rhenium, wire reel, 0.1m, diameter 0.125mm, annealed, 99.97%

Rhenium, wire reel, 0.1m, diameter 0.15mm, annealed, 99.97%

Rhenium, wire reel, 0.1m, diameter 0.178mm, annealed, 99.97%

Rhenium, wire reel, 0.1m, diameter 0.25mm, annealed, 99.97%

Rhenium, wire reel, 0.2m, diameter 0.076mm, annealed, 99.97%

Rhenium, wire reel, 0.2m, diameter 0.10mm, annealed, 99.97%

Rhenium, wire reel, 0.2m, diameter 0.125mm, annealed, 99.97%

Rhenium, wire reel, 0.2m, diameter 0.15mm, annealed, 99.97%

Rhenium, wire reel, 0.2m, diameter 0.178mm, annealed, 99.97%

Rhenium, wire reel, 0.2m, diameter 0.25mm, annealed, 99.97%

Rhenium, wire reel, 0.5m, diameter 0.076mm, annealed, 99.97%

Rhenium, wire reel, 0.5m, diameter 0.10mm, annealed, 99.97%

Rhenium, wire reel, 0.5m, diameter 0.125mm, annealed, 99.97%

Rhenium, wire reel, 0.5m, diameter 0.15mm, annealed, 99.97%

Rhenium, wire reel, 0.5m, diameter 0.178mm, annealed, 99.97%

Rhenium, wire reel, 0.5m, diameter 0.25mm, annealed, 99.97%

Rhenium standard for AAS, analytical standard, ready-to-use, in nitric acid

Rhenium, foil, thickness 0.0125 mm, size 25 x 25 mm, purity 99.99%

Rhenium, foil, thickness 0.025 mm, length 0.1 m, coil width 0.76 mm

Rhenium, foil, thickness 0.025 mm, length 0.2 m, coil width 0.76 mm

Rhenium, foil, thickness 0.025 mm, length 0.5 m, coil width 0.76 mm

Rhenium, foil, thickness 0.025 mm, length 1 m, coil width 0.76 mm

Rhenium, foil, thickness 0.025 mm, length 2 m, coil width 0.76 mm

Rhenium, foil, thickness 0.025 mm, length 5 m, coil width 0.76 mm

Rhenium, foil, thickness 0.025 mm, size 25 x 25 mm, tolerance 0.25

Rhenium, foil, thickness 0.03 mm, length 0.1 m, coil width 0.76 mm

Rhenium, foil, thickness 0.03 mm, length 0.2 m, coil width 0.76 mm

Rhenium, foil, thickness 0.03 mm, length 0.5 m, coil width 0.76 mm

Rhenium, foil, thickness 0.035 mm, length 0.1 m, coil width 0.76 mm

Rhenium, foil, thickness 0.035 mm, length 0.5 m, coil width 0.76 mm

Rhenium, foil, thickness 0.05 mm, length 0.1 m, coil width 0.76 mm

Rhenium, foil, thickness 0.05 mm, length 0.2 m, coil width 0.76 mm

Rhenium, foil, thickness 0.05 mm, length 0.5 m, coil width 0.76 mm

Rhenium, foil, thickness 0.05 mm, size 25 x 25 mm, purity 99.99%

Rhenium, foil, thickness 0.125 mm, size 25 x 25 mm, purity 99.99%

Rhenium, foil, thickness 0.15 mm, size 25 x 25 mm, purity 99.99%

Rhenium, foil, thickness 0.20 mm, size 25 x 25 mm, purity 99.99%

Rhenium, foil, thickness 0.25 mm, size 25 x 25 mm, purity 99.99%

Rhenium, foil, thickness 0.5 mm, size 25 x 25 mm, purity 99.99%

Rhenium, foil, thickness 1.0 mm, size 25 x 25 mm, purity 99.99%

Rhenium, powder, max. particle size 45 micron, weight 5 g, purity 99.99%

Rhenium, powder, 45 max. part. size (micron), weight 10 g, purity 99.99%