4,7-Dihydroxy-1,10-phenanthroline, Thermo Scientific Chemicals

4,7-Dihydroxy-1,10-phenanthroline is used as a phenanthroline stain. Its iron(II) complex reacts rapidly with dissolved oxygen in aqueous solution, thereby it is utilized for the spectrophotometric determination of dissolved oxygen up to 20 ppm.

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.