Database of Hazardous Materials

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Find response information for thousands of hazardous materials, including fire and explosion hazards, health hazards, firefighting techniques, cleanup procedures, protective clothing, and chemical properties.

MyChemicals MyChemicals

Build a list of chemicals. For example, substances involved in an incident response (such as a train derailment) or chemicals stored in your community.

Reactivity Reactivity

See what hazards might occur if chemicals in your MyChemicals collection are mixed together.

Get started by finding a substance of interest with a search.

Learn more by checking the help for background information, a glossary of terms, and guidance on using this database.