Phenolphthalein Solution is a chemical compound with the formula C₂₀H₁₄O₄ and is often written as “HIn”, “HPh”, “phph”, or simply “Ph” in shorthand notation. Phenolphthalein is frequently used as an indicator in acid-base titrations. For this application, it turns colorless in acidic solutions and pink in basic solutions.
Specification of Phenolphthalein Solution
- Phenolphthalein 1% Liquid
- Concentration: Typically 1% in ethanol or isopropanol (check label for specifics)
- Appearance: Colorless to pale pink solution
- pH Range: 8.2 (colorless) to 10.0 (fuchsia pink)
- Application: Ideal for analytical chemistry, educational laboratories, and titration experiments
- Pack Size: 100mL
- Packed in Bangladesh
Storage & Safety:
- Store in a cool, dry place away from direct sunlight
- Flammable: Contains alcohol – handle with care
- Use personal protective equipment (PPE) when handling
Note: For laboratory use only. Not for drug, food, or household use.


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