What Temperature Does Flour Catch On Fire?

What Temperature Does Flour Catch On Fire? Substance Ignition Temperature of Dust Cloud (oC) Minimum Explosive Concentration (oz/ft3) Titanium 460 0.045 Uranium (finely divided metal dust) 20 0.060 Wheat flour380 Wheat straw 470 Is flour highly flammable? Under certain conditions, foods like flour are highly flammable and can result in fiery kitchen situations. Combustible foods