Q:

How hot does magnesium burn?

A:

Quick Answer

Magnesium ignites at 632 degrees Celsius and burns at 1982 C. This is equivalent to igniting at 1169 degrees Fahrenheit and burning at 3599 F.

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Full Answer

Magnesium emits ultraviolet light when burning, so one must not look directly at the flame. Magnesium is used in flares and tracer ammunition.

Fighting a magnesium fire is quite unusual. It actually burns better in carbon dioxide, so fire extinguishers can accelerate the fire, instead of extinguishing it. Adding water occasionally causes a steam explosion, which spreads the fire. Water can even split into hydrogen and oxygen in a magnesium fire, resulting in a hydrogen explosion.

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