Phenolphthalein is often used as an indicator in acid–base titrations. For this application, it turns colorless in acidic solutions and pink in basic solutions. It belongs to the class of dyes known as phthalein dyes. Formula: C20H14O4. Molar mass: 318,32 g/mol. Boiling point: 557,8 °C. Solubility in water: 400 mg/L. UV-vis (λmax): 552 nm (1st); 374 nm (2nd).
Weight: 0.500 kg. Dimensions: 10 × 10 × 15 cm
• Formula: C20H14O4
• Molar mass: 318,32 g/mol
• Boiling point: 557,8 °C
• Solubility in water: 400 mg/L
• UV-vis (λmax): 552 nm (1st); 374 nm (2nd)
• Used in laboratory for research and analysis
• Turns colorless in acidic solutions and pink in basic solutions
• Belongs to the class of dyes known as phthalein dyes
• Formula: C20H14O4
• Molar mass: 318,32 g/mol
• Boiling point: 557,8 °C
• Solubility in water: 400 mg/L
• UV-vis (λmax): 552 nm (1st); 374 nm (2nd)