The phrase "purely for informational purposes" is correct and usable in written English. You can use it any time you need to explain that the information you are providing has no direct connection to the current conversation or task at hand. For example, "I am sending you this article purely for informational purposes; it does not directly apply to our current project."
(Of course Google is being careful to say it's not dispensing actual medical advice here, and that this is purely for "informational purposes", to help "empower" consumers.
The brands in the video are mentioned purely for informational purposes.
State law requires that the data be collected, but it is distributed purely for informational purposes, she added.
Data and information are provided for informational purposes only, and are not intended for investment or other purposes.
The information found on the DA is to be used solely for informational purposes.
These links are for informational purposes only.
They are provided for informational purposes only.
This guide is for informational purposes only.
Subsection (c) is added for informational purposes.
These are not included in the Pick Six, just for informational purposes.
The contents of this page are for informational purposes only.
Ludwig does not simply clarify my doubts with English writing, it enlightens my writing with new possibilities
Simone Ivan Conte
Software Engineer at Adobe, UK