Correlation of the critical properties of alkanes and alkanols

Recent measurements of the critical properties of n-alkanes (up to C18) and isomeric alkanols (up to C12) have been compiled and tested for consistency. In general, these measurements exhibit the expected trends in homologous series behavior. For example, the properties of the alkanols converge to those of the corresponding n-alkanes as the chain length increases. Existing estimation methods were compared for their ability to predict data for the higher members of the homologous series and were generally found to be unsatisfactory. Two new correlations based on the hole theory of long chain molecules were therefore developed in this work. Both correlations were able to fit the data within experimental error.