- Phenolphthalein Indicator 500ml AR
Its used in laboratory for research and analysis
Phenolphthalein is often used as an indicator in acid–base titrations.
For this application, it turns colorless in acidicsolutions and pink in basic solutions.
It belongs to the class of dyes known a 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)
Phenolphthalein Indicator 500ml AR
