Chemical & Physical Properties - CHEM397/398/399 - Experimental Chemistry - Research Guides at Queen's University Library

ChemSpider

ChemSpider is a free chemical search engine that provides access to over 29 million compounds from hundreds of data sources.

Knovel Library
Knovel contains more than 3,600 e-books in science and engineering. A great place to start when looking for chemical property data and safety information.
Knovel Solvents
Database of health, safety and properties data for over 1,100 common solvents.
NIST Chemistry WebBook
This site provides thermochemical, thermophysical, and ion energetics data compiled by the National Institute of Standards and Technology (NIST). Covers mostly organic compounds and a few inorganic compounds.
NIST Fundamental Physical Constants
National Institute of Standards and Technology (USA)
SOLV-DB
Database of chemical, physical and environmental fate data, health and safety information and regulatory requirements. Search by name/synonym, CAS registry number, formula and Sax number. Produced by the National Center for Manufacturing Sciences (USA).