JESS is the world's largest single source of thermodynamic information relating to electrolytes and reactions in aqueous media. The full contents of certain databases are available to inspect online (click the links below to start browsing).
Reactions
  • 76,000 reactions
  • 202,000 equilibrium constants
  • 30,000 enthalpy values
Species
  • 4,700 primitive species
  • 63,000 composite species
  • 13,000 chemical names
  • 2,000 CAS Registry numbers
Literature
  • 30,000 literature references
  • 25,000 author names
  • 1,800 journals/publications
  • 11,300 keywords
The full JESS package also includes the following databases:
Physicochemical
Properties
  • 58 properties
  • 860 solutes
  • 500,000 property values
Solubility
  • 2,200 soluble phases
  • 120,000 solubility records