Description
Specifications Table
Product Name – Phenolphthalein pH Indicator
Quantity/Pack Size – 50 gm, 100 gm, 500 gm, 25 kg, 50 kg
Form – Powder
Grade – Analytical Reagent (AR) Grade
Application – pH determination, titration, lab analysis
Product Overview
Phenolphthalein is a widely used pH indicator in analytical chemistry, renowned for its distinct color change from colorless in acidic solutions (pH 10). This high-purity, analytical-grade phenolphthalein ensures reliable and reproducible results in titration experiments, making it indispensable for educational and research laboratories. Its precise pKa value and stability under standard conditions enhance its effectiveness in various acid-base reactions. The fine powder form ensures easy dissolution and consistent performance, adhering to stringent quality standards. Whether for undergraduate labs or advanced research, this indicator provides the accuracy and reliability required for precise pH measurements.
FAQs
1. What is the shelf life of phenolphthalein pH indicator?
When stored properly in a cool, dry place, phenolphthalein pH indicator typically has a shelf life of 2-3 years.
2. Can phenolphthalein be used in organic solvents?
Phenolphthalein is primarily used in aqueous solutions, but it can dissolve in certain organic solvents like ethanol for specific applications.
3. Is phenolphthalein safe for skin contact?
Phenolphthalein may cause irritation upon prolonged skin contact. Always use gloves and follow safety protocols.
4. What is the pH range for phenolphthalein’s color change?
Phenolphthalein changes from colorless to pink in the pH range of 8.3 to 10.0.
5. Can phenolphthalein be used in food-grade applications?
No, phenolphthalein is not approved for food-grade use and is intended solely for laboratory applications.






