Applied as neutralizing agent, filler, and extender in rubber, plastics, paints, opacifying agent in paper, putty, antacid, Portland cement, sulfur dioxide, removal from stack gases, allurgical flux, analytical chemistry, carbon dioxide generation, and determining halogens in organic compounds.

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.