Critical Properties Solvers

Select a method below to estimate key critical properties like Tc, Pc, and Vc for various chemical compounds.

Joback Method

A widely-used group contribution method for estimating critical temperature (Tc), pressure (Pc), volume (Vc), and normal boiling point (Tb).

Open Joback Calculator
Constantinou-Gani Method

An advanced group contribution method utilizing first and second-order groups for predicting critical properties (Tc, Pc, Vc) with improved accuracy for complex molecules.

Open Constantinou-Gani Calculator
Wilson & Jasperson Method

Estimate critical properties using the Wilson & Jasperson correlation, offering an alternative approach particularly useful for certain classes of organic compounds. Coming soon!

Marrero & Pardillo Method

A comprehensive group contribution method for the estimation of critical properties and other important thermophysical data for a wide range of organic substances. Coming soon!