DECHEMA e.V. - Information Systems & Databases

Privacy Policy

The DECHEMA makes its best effort to keep confidential the contents of Customer's online searches. However, the DECHEMA may disclose details to its database suppliers if it is necessary to do so in order to resolve Customers problems or to provide DECHEMA database services.

In accordance with article 13 of the General Data Protection Regulation of the European Union users are herewith informed that DECHEMA stores and processes customers' data in machine-readable form for internal purposes related to the fulfillment of its obligations to its customers according to the contracts it maintains with these customers. This information is treated as confidential at all times and will not be passed on to third parties, except mentioned above.

You also have the right to withdraw your consent on data processing at any time.

The complete details on the data processing and your rights are published separately as part of DECHEMA's General Privacy Policy.


This website requires the usage of cookies for its technical functionality.

Cookies are small text files that your webbrowser stores on your device. We are using so called session cookies to identify your activities on our webserver. This is required since normal webpages do not have something like memory. Therefore a session is created on our webserver storing your activities (your selection of dataset, your search, etc.). These session is connected to the session cookie stored on your device.

A session cookie has only a lifetime for the period of your user session. Normally your webbrowser will delete this cookie, when your are closing your browser.

And in addition we use a persitent cookie with a lifetime of one year storing the information that we have informed you about our usage of cookies ...


All sensitive data traffic like user registration and login data are encrypted using the industry standard SSL (Secure Socket Layer) protocol. Optionally users may also conduct their database searches via SSL.

A secure connection can be identified by

© DECHEMA e.V. Terms of Use Privacy Contact Imprint

Aim of this website?

This website allows you to search online within DECHEMA's numerical databases:

  • DETHERM: thermophysical properties of pure substances and mixtures
  • CHEMSAFE: recommended safety data of gases, liquids and dusts

Even without registration you can search and preview the databases.

With registration you can also download the data in various formats:

  • Direct display
  • PDF
  • XLS
  • IKC

EU-Citizens only:

Please choose your country for proper VAT calculation

For electronic delivery to countries outside the European Union (EU):

  • VAT is not charged, if you supply a Tax Payer Certificate of your country.
  • German VAT is charged, if you do not supply a Tax Payer Certificate.