Molecular sieves, 5A, 1-2mm (0.04-0.08in) dia. Pellets are used in desiccation and purification of air. It finds application in natural gas and liquid petroleum gas especially for dehydration and desulphurization. In chemistry laboratory, it is used for separating compounds and drying reaction starting materials. In addition, it is used as commercial adsorbents.

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.