Short Name: PHENOLPHTHALEIN INDICATOROther Names: 3,3-Bis(4-hydroxyphenyl)-1(3H)-isobenzofuranone(indicator) POWDERChemical SpecificationsAppearance : A white to off white powderpH range (8.2 - 10.0) : Colourless to red-violetAbsorption maxima (buffer pH 9.8) : 551 - 554 nmSensitivity : Passes testS..