Skip to main content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Search SRD

SEARCH The NIST Data Gateway - created in 2002, the Data Gateway provides an index of many NIST scientific and technical databases by keyword, property and substance name. These databases cover a broad range of substances and properties from many different scientific disciplines. The Gateway includes links to free online NIST data systems, NIST SRD products and article searches for the Journal of Physical Chemical Reference Data and The National Standard Reference Data System.

To use the Gateway, select one of the following search options:
 

Keyword

Property

Substance Name

 

Created May 24, 2016, Updated April 19, 2018