Barium oxide, 99.5% (metals basis excluding Sr), Sr <500ppm

Barium oxide is used in cathode ray tubes, crown glass, and catalysts. It is used for the adsorption NO and NO₂. It also plays an important role for NO₂ storage and reduction. It acts as an efficient ethoxylation catalyst.

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.