DIPPR 801 Database The public version of DIPPR 801 contains over 2000 compounds, lists values for 49 thermo-physical properties and provides chemical data for 34 constant properties and 15 temperature dependent properties. DIPPR DETHERM Product DIPPR is now a licensed distributor of the DETHERM database in the Americas. The DETHERM database contains thermo-physical property data for both pure compounds and mixtures of both organic and inorganic substances. DETHERM content. DIPPR ESP Product This Environmental and Safety Properties (ESP) database contains critically evaluated properties of regulated chemicals and other chemicals of interest to DIPPR sponsors. The database is intended to support engineering and regulatory calculations and when used in conjunction with its estimation protocols, to predict properties not readily available from the literature. DIPPR Publications Knovel and Wiley act as the distribution source for DIPPR publications that were previously published in hard-copy. Limited copies of past publications in hard-copy are available.