Antimony(III) oxide, 99.6% min

It finds applications in flame retardants, catalysts, batteries, and alloys. It acts as an opacifying agent in glasses, ceramics and enamels. It is used as a catalyst in the manufacture of PET plastic (polyethylene terephthalate), and the vulcanization of rubber.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.