A sulfonphthalein dye used as a pH indicator.
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.
ApplicationsA sulfonphthalein dye used as a pH indicator.
SolubilitySolubility in 0.1 N sodium hydroxide solution, almost transparent. Soluble in alcohol, dilute alkali, 0.1% ethanol. Insoluble in water.
NotesStore away from oxidizing agents. Keep the container tightly closed and place it in a cool, dry and well ventilated condition.