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Welcome to DIPPR® Project 801

 The difference between success and failure is accuracy.


 "With the DIPPR 801 Database, I can tell where my data came from and how accurate the data are, rather than simply being given a tabulated value which I'm asked to blindly accept."

--Jeff Smith, Design Data Lab/Hazlab, Eastman Chemical Company


DIPPR® 801 Database

The DIPPR® 801 Database is an extensive database of rigorously evaluated pure component data on industrially important chemical compounds. The Database contains:

  • Predicted values when experimental chemical data is not available
  • References, notes, and quality codes for all data points

DIADEM Software Interface

DIADEM is a convenient interface to the DIPPR® 801 Database that enhances one's ability to view, calculate, plot and compare the thermophysical properties in the database.

DIADEM Highlights:

  • Predict properties using the automated prediction package
  • Search and compare multiple components
  • Compare user database with DIPPR 801 Database
  • View multiple components at a time
  • Graph and plot thermophysical data points
  • Convert values
  • Calculate and compare properties at different temperatures
  • Set default units/add user units
  • Create and manage a user database
  • View 2-D and 3-D models of database compounds

View a more detailed slide show with screen shots

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Watch the DIADEM video tutorial


 DIPPR® 801 Database Access Possibilities

DIPPR® 801 Database, Full Version/DIADEM Software Interface

DIPPR® 801 Database, Full Version

DIPPR® 801 Database, Lite Version

DIPPR® 801 Database, Web Version

Secondary Distribution

Order DIPPR® 801

Sample DIPPR® 801 Database, Web Version