1. Click on the Merck Index link.
2. Enter the name of the material into the quick search box at the top of the screen and click the search button:
![search box screenshot](http://lgimages.s3.amazonaws.com/data/imagemanager/14014/merck_index_search.jpg)
3. Find your material within the results list and click on its name to open the full monograph:
![entry screenshot](https://libapps-ca.s3.amazonaws.com/accounts/558/images/merck_acetone.PNG)
4. Within the Properties section of the monograph, boiling point is listed after the letters bp and melting point is listed after the letters mp.
![properties category screenshot](https://libapps-ca.s3.amazonaws.com/accounts/558/images/merck_bp_mp.PNG)