Yttrium silicate

Yttrium silicate is a ceramic material with significant applications in both medical and industrial fields due to its chemical stability, biocompatibility, and radiolabeling potential. One of its most notable uses is as a carrier for radioactive isotopes, particularly yttrium-90 (Y-90), in targeted radiotherapy. In this form, Y-90-labeled yttrium silicate microspheres can be administered directly into tumors, including in radioembolization treatment for liver cancer, delivering high-dose radiation locally while minimizing systemic exposure. Its insolubility in biological fluids ensures that the radioactive component remains confined to the target site. Beyond medical applications, yttrium silicate is also used in phosphors for display technologies and in ceramic coatings due to its thermal resistance and mechanical durability. These properties make it a versatile material in both biomedical engineering and materials science. The directory classifies it as a commercial API with a mineral/inorganic source/manufacturing origin. Other names for this substance include Silicic acid, yttrium salt and Yttrium-90 silicate. Its PubChem CID is 56842922.

CAS No 39318-36-0
Molecular Formula O9Si3Y2
Molecular Weight 408.06 g/mol
Synonyms tris(dioxido(oxo)silane);bis(yttrium-90(3+))

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