Guidelines for Explosive and Potentially Explosive Chemicals: Safe Storage and Handling


Potentially Explosive Chemicals (PECs) include peroxidizable organic chemicals which oxidize, dry out, or otherwise destabilize over time. Examples include isopropyl ether, sodium amide, and picric acid. Old or mismanaged chemicals and can pose a serious threat to the health and safety of laboratory personnel, emergency responders, building occupants, and chemical waste handlers.

For additional information, contact Andrew Fletcher at (510) 643-9254 or

Office of Environment, Health & Safety
Publication type: 
Program Document