Introducing NIST Chemistry WebBook & Solubility Database

The National Institute of Standards and Technology (NIST) hosts a variety of different reference datasets freely available to the public. We have picked two databases that could prove useful to you!

Chemistry WebBook
A database currently consisting of organic compounds along with a few small inorganic compounds and data on thermochemical, thermophysical, and ion energetics.
Besides the usual search fields, you can search the WebBook for formulas, reactions and structures, as well as making physical property based searches.
Some useful models and tools are also included:

Solubility Database
A database aiming to give a comprehensive review of published data for solubilities of gases, liquids and solids in liquids or solids.
The data on solubilities was originally published in the IUPAC and contains over 67,500 solubility measurements, 1800 chemical substances and 5200 chemical systems.

Access more of NIST’s standard reference data here.

CAS Common Chemistry

CAS Common Chemistry provides access to several thousand substances and associated data. Now it includes authoritative information on nearly 500,000 substances from CAS REGISTRY. Reusable licensing of content is ensured through a Creative Commons Attribution-NonCommercial (CC BY-NC 4.0) license.

We have full access to the CAS content collection through SciFindern (registration required).