Gadolinium 99.9% 10 grams

Gadolinium 99.9% 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 Gadolinium 99.9% 10 grams

Gadolinium (Gd) is a malleable, silvery-white rare-earth metal (atomic number 64) with unique paramagnetic properties, widely used in gadolinium-based contrast agents (GBCAs) for MRI scans to enhance image clarity.

It enables detection of vascular structures and tumors. While generally safe, free Gd ions are toxic; therefore, it is administered via specialized chelates to minimize risks like nephrogenic systemic fibrosis (NSF) in patients with renal impairment.

Medical Uses and Properties

MRI Contrast Agent: Gadolinium has seven unpaired electrons, providing a large magnetic moment that improves image contrast in roughly 30–40% of all MRIs.

Mechanism: It acts by shortening the spin-lattice relaxation time of water molecules in the body, causing specific tissues to appear brighter on scans.

Safety Profile: Although generally safe and eliminated by the kidneys with a half-life of ~2 hours, gadolinium can be retained in tissues for months or years. It should be used cautiously in patients with severe kidney disease due to risks of nephrogenic systemic fibrosis.

Physical and Chemical Properties

Ferromagnetism: Gadolinium is the only lanthanide that is ferromagnetic near room temperature (Curie point ).
Reactivity: It tarnishes in air and reacts slowly with water, forming a protective oxide coating.
Nuclear Application: Due to high neutron absorption capabilities, it is used in nuclear reactor shielding.
Safety and Toxicity
Toxicity: Free, unchelated gadolinium ions are toxic, as they can interfere with calcium signaling and damage tissue.
Chelation: Medical agents use “chelates”—organic molecules that cage the metal to prevent it from interacting with the body.

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