Pyrophoricity
PROPERTY OF A SUBSTANCE TO SPONTANEOUSLY IGNITE IN AIR WITHOUT HEATING
Pyrophorus; Pyrophoric chemical; Pyrophoric substance; Pyrophoric material; Pyrophoric
A substance is pyrophoric (from , , 'fire-bearing') if it ignites spontaneously in air at or below (for gases) or within 5 minutes after coming into contact with air (for liquids and solids).GHS, seventh revised version.