Molecular formula :
nature : flammable material and combustion gases mixed in a certain proportion, in a mixture of charge, within one which can be ignited by the very rapid spread of the combustion mixture. Gas vapor, mist in the air forming gas, steam explosive mixture; Dust, fibers in the air can form dust, fiber explosive mixture.
Notice:Each item can have many explanations from different angels. If you want grasp the item comprehensively,please see below "more details data".