Commune nomen Phenolphthalein CAS Number 77-09-8 Phenolphthalein Densitas 1.4±0.1 g/cm3 Phenolphthalein Fervens 557.8±50.0 °C 760 mmHg Phenolphthalein liquescens Point 258-263 Phenolphthalein Molecular Formula C20H14O4 Phenolphthalein Molecularis Pondus 318.323 Phenolphthalein Flash Point 206.5±23.6 °C Phenolphthalein Exige Missam 318.089203