From this web site you find the newest update versions for both the SDS application and the Web application (WebSDS) separately. Below the files you find information about the newest updates.
Notice that you can also install the application to a new workstation by the update version.

Latest update version

Version Updated File ChemicalData Update (client application) 1.07.0059 03.01.2012 Download Version Updated File WebCMS Update (CMS web application) 1.25.0000 02.01.2012 Download   Version Updated File WebSDS Update (SDS web application) 1.64.0000 16.01.2012 Download Version Updated File SafetyDataSheets (client application) 4.24.0337 06.02.2012 Download