Polyethylene glycol is used in the modification of therapeutic proteins and peptides to enhance its solubility. It is also used in the fabrication of bioactive and immuno isolating barriers for encapsulation of cells. In Gas chromatorgraphy, it is used as a polar stationary phase. It is used as mold release agent and lubricant in fabricating elastomers.

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.