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By Anne Marie Helmenstine, Ph.D. Gunpowder or black powder is of great historical importance in chemistry. Although it can explode, its principal use is as a propellant. Gunpowder was invented by Chinese alchemists in the 9th century.Originally, it was made by mixing elemental sulfur, charcoal, and saltpeter (potassium nitrate).y Anne Marie Helmenstine, Ph.D. Gunpowder or black powder is of great historical importance in chemistry. Although it can explode, its principal use is as a propellant. Gunpowder was invented by Chinese alchemists in the 9th century.
The gun was invented as late as the 12th century, by an unknown inventor, presumably in China where gunpowder was first discovered, and where the first archaeological evidence â¦ of guns has been found.The direct ancestor of the gun is the fire lance invented in 10th century China.he Chinese are generally considered to have invented gun powder and firearms (guns). The answer is also found on Wikipedia, the Free Encyclopedia. Gun powder was also invente â¦ d in China, but in the 9th century.