Phenolphthalein

30 mL bottle of 1% Phenolphthalein aqueous solution for chemical activities only. Perform clear and precise acid–base analysis with our phenolphthalein indicator solution, prepared at a 1% concentration for reliable laboratory use. This classic pH indicator is widely used in titrations, neutralization reactions, and instructional chemistry activities due to its sharp and easily observed color change. Essential for chemical activities and analytical experiments, phenolphthalein provides consistent results when identifying basic solutions and reaction endpoints. The 30 mL bottle offers a practical volume for repeated classroom and laboratory use.  Property Details Chemical formula      C₂₀H₁₄O₄ Formula weight 318.32 g/mol CAS number 77-09-8 Characteristics Colorless solution; turns pink in basic solutions Physical state Liquid aqueous solution Storage code Green — general storage   Did You Know? Phenolphthalein remains colorless in acidic and neutral solutions but tur