DECHEMA e.V. - Information Systems & Databases

Here you can access the DECHEMA online databases ...


Thermophysical property data for design and optimization of chemical plants
Version 2022 - updated 08/2022
Start DETHERM ... on the WEB session


Recommended safety data of flammable gases, liquids and dusts for evaluating fire and explosion hazards
The CHEMSAFE Online Database is now free of charge exclusively available at

See also our homepage for other databases, publications and software. What's the aim of this website?
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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:

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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.