Agency for Toxic Substances and Disease Registry offers an exhaustive list of chemical fact sheets. Includes molecular models and hazard labels.

Browse a comprehensive listing of toxic herbs and plants. With histories, descriptions, active chemicals, and antidotes.

Search for particular chemicals or browse the list of topics, including pesticide profiles, toxicology briefs and issues, fact sheets, and FAQs.

Search for a chemical name, syndrome or browse the National Toxicology Program database list for chemical data.

Presents data on the names of hazardous substances, their government codes, and a summary of the chemical's exposure routes and effects.