A classic encyclopedia of the chemical elements, arranged in the periodic table. Click on any element to see more information, or choose types of properties at the top to see specific property information when you click.
More than 1,600 Fact Sheets with information on health hazards, exposure limits, personal protective equipment, proper handling, first aid, and emergency procedures for fires and spills for known hazardous substances.
Use this page to find health and safety information submitted to EPA under the Toxic Substances Control Act (TSCA). This information is intended for individuals interested in learning more about chemicals that are manufactured or imported into the United States.