Center for Disease Control
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The Chemical Hazards Guide is written by National Institute for Occupational Safety and Health (NIOSH). It is a source of general industrial hygiene information on several hundred chemicals/classes for workers, employers, and occupational health professionals. The guide can be downloaded or multiple copies can be ordered. | 
| International Labour Organization | 
Chemical safety cards 
A searchable database updated consistently by scientists from around the world
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| International Programme on Chemical Safety | 
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| American Chemical Society | 
CAS Registry - Comprehensive chemical database | 
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STN Easy - Web based access to chemical information | 
| U.S. Chemical Safety Board | 
Video Room - On demand videos and safety messages on a variety of chemical topics | 
| Stanford University | 
Chemical Safety Toolkit | 
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 A song about mercury and toxins. Words and music by Peter Jay DuBois. |