Phenolphthalin(aq)
Formation Gibbs Energy
Estimated ΔfG'm 269.8 ± 14.1 [kJ/mol]    Enter custom concentration »
Estimated ΔfG'° 286.9 ± 14.1 [kJ/mol]
Estimated using Component Contribution (2013)
pH
Ionic strength [M]
General Properties
Formula C20H16O4
Common names Phenolphthalin; C14223
Molar Mass 320.10 [Da]
Structure
Links KEGG »
Species Formation Energies
Phase Net charge #Hydrogens Δf [kJ/mol] ΔfG'° [kJ/mol] Reference
aqueous -3 13 -206.7 314.9 Component Contribution (2013)
aqueous -2 14 -265.5 299.8
aqueous -1 15 -320.7 286.9
aqueous 0 16 -341.8 306.9