Aspirin(aq)
Formation Gibbs Energy
Estimated ΔfG'm -255.3 ± 6.4 [kJ/mol]    Enter custom concentration »
Estimated ΔfG'° -238.2 ± 6.4 [kJ/mol]
Estimated using Component Contribution (2013)
pH
Ionic strength [M]
General Properties
Formula C9H8O4
Common names Aspirin; 2-Acetoxybenzenecarboxylic acid; Acetylsalicylate; Acetylsalicylic acid; C01405
Molar Mass 180.04 [Da]
Structure
Links KEGG »
Species Formation Energies
Phase Net charge #Hydrogens Δf [kJ/mol] ΔfG'° [kJ/mol] Reference
aqueous -1 7 -521.4 -238.2 Component Contribution (2013)
aqueous 0 8 -540.8 -216.5