Email this pagePrint this page Phenolphthalein Go back to: Chemical Reagents, pH Indicators and Biological Stains Product Code: C2227 F.W. 318.33CAS# 77-09-8Laboratory Grade, Powder Hazard Rating4-Extreme 3-Severe 2-Moderate 1-Slight 0-Minimal Health1 Flammability1 Reactivity0 100 grams$22.72 each 500 grams$70.69 each 3-D Molecule Model of Phenolphthalein : From the ChemExper Chemical Directory MSDS for Phenolphthalein