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trinitrotoluene : ウィキペディア英語版
trinitrotoluene

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Trinitrotoluene (TNT), or more specifically 2,4,6-trinitrotoluene, is a chemical compound with the formula C6H2(NO2)3CH3. This yellow-colored solid is sometimes used as a reagent in chemical synthesis, but it is best known as a useful explosive material with convenient handling properties. The explosive yield of TNT is considered to be the standard measure of strength of bombs and other explosives. In chemistry, TNT is used to generate charge transfer salts.
While the two words are sometimes used interchangeably in common conversation, TNT is not the same as dynamite, a special formatting of nitroglycerin for use as an industrial explosive.
== History ==

TNT was first prepared in 1863 by German chemist Julius Wilbrand and originally used as a yellow dye. Its potential as an explosive was not appreciated for several years mainly because it was so difficult to detonate and because it was less powerful than alternatives. TNT can be safely poured when liquid into shell cases, and is so insensitive that in 1910, it was exempted from the UK's Explosives Act 1875 and was not considered an explosive for the purposes of manufacture and storage.
The German armed forces adopted it as a filling for artillery shells in 1902. TNT-filled armour-piercing shells would explode after they had penetrated the armour of British capital ships, whereas the British lyddite-filled shells tended to explode upon striking armour, thus expending much of their energy outside the ship.〔 The British started replacing lyddite with TNT in 1907.
The United States Navy continued filling armor piercing shells with explosive D after some other nations had switched to TNT; but began filling naval mines, bombs, depth charges, and torpedo warheads with burster charges of crude ''grade B'' TNT with the color of brown sugar and requiring an explosive booster charge of granular crystallized ''grade A'' TNT for detonation. High explosive shells were filled with ''grade A'' TNT, which became preferred for this other use as industrial chemical capacity became available for removing xylene and similar hydrocarbons from the toluene feedstock and other nitrotoluene isomer byproducts from the nitrating reactions.
TNT is still widely used by the United States military, as well as construction companies around the world. The majority of TNT currently used by the US military is manufactured by Radford Army Ammunition Plant near Radford, Virginia.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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