Chemistry: Properties

Dedicated to the advancement of chemistry and crystallography for the public benefit through providing high-quality information services and software

Chemical information provided by the National Library of Medicine

The richest single source of structure-based chemistry information

A free 500-structure subset of the Cambridge Structural Database (CSD).

The keyword search on Landolt-Börnstein Substance / Property Index is the quickest and most convenient way to find information about substances and related properties.

Thermodynamic and spectral data on thousands of compounds from the National Institute of Standards and Technology

Many tables of properties and spectra from the National Institute of Standards and Technology.

The physical properties source index lists recommended databases, handbooks, and websites (data, definition, measurement) for physico-chemical and other material properties, from the Swiss Federal Institute of Technology.

From the National Institute of Advanced Industrial Science and Technology, Japan