Chemical Safety : Chemical Compatiblity

From the National Ocean Service and NOAA
Contains a reactivity prediction tool, which you can use to predict potential reactive hazards between chemicals.

A resource from the Office of Environmental Health and Safety that helps users identify and safely dispose of hazardous waste.

The Chemical Reactivity Worksheet (CRW) is a software program you can use to find out about the chemical reactivity of thousands of common hazardous chemicals.

This database provides unique crowd sourced data content containing hazardous reactions that can be used to alert scientists to potential dangerous experiments. CAS, a division of the American Chemical Society, is committed to increasing safety in the lab and has provided this open access platform to serve scientists worldwide.