This video shows how to use the GET Search and Interactive Tools features of Knovel. For assistance with basic searching with Knovel contact a librarian.
Finding prices for bulk chemicals is difficult. Many sources are intended for business use and not priced for academic users. Listed below are some free sources to try.
After trying the resources above, you might also try keyword searching business databases like . Use the the name of the chemical and the word "price" in the search. The full-text of some of the chemical industry trade publications can be searched in ["Sources" along left column -> "Browse Sources" -> Country (All Countries) -> Topics (Chemicals) -> Industry & Markets -> Industry Trade Press -> then select and search the full-text of one or more of the 30 publications listed (e.g., Chemical News & Intelligence, Chemical Week, ICIS, etc.).