Rhenium 99.95% 10 grams

Rhenium 99.95% 10 grams

 

Allied Chemicals GmbH (AL-GMBH) is a leading Specialty Chemicals & Science Based Company in Germany. With over 20 years of experience supplying to the manufacturing industry internationally, we deliver an extensive range of high quality Specialty Chemicals & Allied Products to several sectors.

The chemical preparation of all our products are synthesized. These substances possesses sterile effect, so you must be fully aware of what you are purchasing hence there’s no prejudice involved in the offer and acceptance.

Available for sale here is Rhenium 99.95% 10 grams :

Rhenium is a chemical element with the symbol Re and atomic number 75, classified as a dense, silvery-white transition metal that remains solid at room temperature and exhibits one of the highest melting points of any element at 3,180°C, surpassed only by tungsten and carbon.

With an atomic mass of 186.2 u and a density of 21.02 g/cm³, it adopts a hexagonal close-packed crystal structure and displays variable oxidation states from -1 to +7, most commonly +7, forming stable oxides such as rhenium(VII) oxide.

In 2025, rhenium was added to the U.S. list of critical minerals due to its economic and national security importance. Discovered in 1925 by German chemists Walter Noddack, Ida Tacke, and Otto Berg through concentration from gadolinite and molybdenum ores, rhenium was the last stable element to be identified in nature, marking the completion of the list of naturally occurring elements up to uranium.

Its extreme rarity in Earth’s crust, at about 0.4 parts per billion, makes it one of the scarcest refractory metals, primarily occurring as a trace component (100–3,000 ppm) in molybdenite (MoS₂) within porphyry copper deposits.

Due to an extremely high melting point it can’t be cast into molds and is far too hard and brittle to be formed, or even machined, into a finished shape. It is nonetheless extremely resistant to corrosion – as is common of all precious metals with the exception of silver.

Given these two characteristics it has long been used wherever engine parts get white hot, such as jet engines and rocket nozzles, and its use would be far wider if it wasn’t so dense (which adds weight) nor was so rare (which adds cost).

Rhenium’s exceptional properties, including high ductility, resistance to wear and corrosion, and ability to withstand extreme temperatures, render it indispensable in high-performance applications, with about 80% used in nickel-based superalloys for turbine blades in jet engines and 15% in platinum-rhenium reforming catalysts for producing high-octane gasoline from petroleum.

Despite its scarcity, rhenium poses no significant toxicity risks due to low environmental abundance, though mining-associated activities can impact ecosystems. Emerging uses include radioisotopes like for targeted cancer therapies and bone pain management in medicine.

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