Phosphorus in the form of phosphate is used in detergents mainly to soften hard water, increase the surface activity of the active washing compounds, raise pH and to deflocculate bigger particles of dirt. Pyrotechnic applications of the element include tracers, incendiaries, fireworks, and matches. Early matches used white phosphorus in their composition, which was dangerous due to its toxicity. Most people chose this as the best definition of phosphorus: Phosphorus is a poisonous... See the dictionary meaning, pronunciation, and sentence examples. In trace amounts, phosphorus is used as a dopant for N-type semiconductors. Murders, suicides and accidental poisonings resulted from its use (An apocryphal tale tells of a woman attempting to murder her husband with white phosphorus in his food, which was detected by the stew giving off luminous steam). Stable. Unfortunately, they were too easy to ignite and caused many unintentional fires. The allotrope has polymeric structure and is used in the production of safety matches. Process used to synthesize ammonia commercially. Phosphorus sesquisulfide is used in heads of strike-anywhere . Murders, suicides and accidental poisonings resulted from its use. Sodium tripolyphosphate … Phosphorus is also important in the production of steel. Black phosphorus is also formed by heating white phosphorus, but a mercury catalyst and a seed crystal of black phosphorus are required. The match head is composed of antimony(III) sulfide and potassium chlorate, and the striking surface is composed of powdered glass and red phosphorus. He processed, filtered, and boiled a large amount of urine to isolate the element. Flares and safety matches are also made from phosphorous. Tributylphosphate, a phosphorous compound, is used to extract uranium . U.S. President Taft requested that Diamond Match give up their patent. You can find red phosphorus on the striking surface of safety match boxes. Some is used as an alloying agent, some is used to kill rodents, and the rest is employed in chemical synthesis. Look at other dictionaries: phosphorus 32 — thərt ē tü n a heavy radioactive isotope of phosphorus having a mass number of 32 and a half life of 14.3 days that is produced in nuclear reactors and used chiefly in tracer studies (as in biology and in chemical analysis) and in medical diagnos … Medical dictionary. 41 The total annual amount of phosphorus consumed during laundry on-board ships is assumed to equal the annual amount of phosphorus contained in the laundry wastewater. White phosphorus is used in incendiary bombs, smoke screens (such as smoke bombs) and tracer ammunition. Phosphorus is also used in steel manufacture and in the production of phosphor bronze. Phosphorus is used to dope semiconductors. Matches were the first commercial use for phosphorus, but the early match industry was fraught with problems. Phosphorus was discovered in 1669 by Hennig Brand, an alchemist and physician of German origin. n. 1. matches. This form does not ignite spontaneously and is not as dangerous as white phosphorus. Modern "safety matches," invented in 1844, still use phosphorus, but it is coated on the side of the box and consists entirely of the red allotrope. 15-10-7 on a bag of fertilizer. Only about 5 percent of the phosphorus consumed per year in the United States is used in the elemental form. Human phosphorus use has created problems for wildlife and people, alike. Phosphorus is used in the production of steel. Synthetic urea [(NH2)3CO] Ammonium nitrate (NH4NO3) Ammonium sulfate (NH4)2SO4 . By far the largest use of phosphorus compounds is for fertilisers. The older practice of using white phosphorus for matches has been abandoned because of the extremely poisonous nature of white phosphorus. These matches were strike-anywhere matches and were much easier to ignite. It should, however, be handled with care as it does convert to the white form at some temperatures and it emits highly toxic fumes of the oxides of phosphorus when heated. Other applications for phosphorus include baking powder, the alloy phosphor bronze, flame retardants, incendiary bombs, and LEDs (light emitting diodes). Phosphorus compounds synonyms, Phosphorus compounds pronunciation, Phosphorus compounds translation, English dictionary definition of Phosphorus compounds. Can be prepared by the action of a silent or spark electrical discharge on the white allotrope. and eliminates the accidental fire as it catches fire much less readily. White phosphorus, the form isolated by Brand, was both extremely unstable and toxic, and early matches caused accidental fires and poisonings of the workers who produced them. Phosphorus (chemical element) synonyms, Phosphorus (chemical element) pronunciation, Phosphorus (chemical element) translation, English dictionary definition of Phosphorus (chemical element). This is called the Purex process. 1911 [Diamond Match Company] Diamond yielded their patent on January 28, 1911. This form does not ignite spontaneously and is not as dangerous as white phosphorus. Phosphorus sesquisulfide is used in heads of strike-anywhere matches. Red phosphorus is essential for manufacturing matchbook strikers, flares, safety matches, pharmaceutical grade and street methamphetamine, and is used in cap gun caps. The match heads are made of phosphorous. Red phosphorus is essential for manufacturing matchbook strikers, flares,, safety matches and, most notoriously, methamphetamine. As chemical compounds. Because phosphorus was used in nerve agents, poisons, and explosives, it is also known as the Devil’s element. The ores are first converted into phosphoric acids before being made into ammonium phosphate. Important nitrogen fertilizers. safety matches, pyrotechnics, incendiary shells, smoke bombs, and tracer bullets; as well as in the manufacture of fertilizers, pesticides, and semiconductors. Phosphorus is used to make light-emitting diodes (LEDs). Tributylphosphate, a compound of phosphorus, is used to extract uranium. Red phosphorus is used in matches and flares. This is called the Purex process. reacting it with chlorine produces phosphorus pentachloride, a … When struck, a small amount of white phosphorus is produced, and the match ignites. Other articles where Red phosphorus is discussed: chemical industry: Phosphorus: Red phosphorus, comparatively harmless, is used in matches. It is also used in organic synthesis reactions and in the manufacture of phosphoric acid, phosphine gas and other phosphorus-containing chemicals. It should, however, be handled with care as it does convert to the white form at some temperatures and it emits highly toxic fumes of the oxides of phosphorus when heated. FIRE STARTER: Since phosphorus catches fire readily, it is used in all matches; earlier white phosphorus was used and in today's "safety matches" red phosphorus is used. White phosphorus is used in incendiary bombs, smoke screens (eg, smoke bombs), and in tracer ammunition. The element also has more nefarious uses. Ordinary matches are made by dipping the end of the match into paraffin, then into a wet mixture of phosphorus sulfide, P 4 S 3, lead dioxide or other oxidizing agent, and glue. Phosphorus is used in the making of matches. Phosphorus is an important component of DNA and RNA. Black phosphorus is the least reactive form of phosphorus and has no significant commercial uses. Red phosphorus, meanwhile, has a common everyday use: it’s found on the side of safety match boxes. 32 P and 33 P are used as radioactive tracers in biochemical … Phosphorus is used in the manufacture of safety matches (red phosphorus), pyrotechnics and inflammatory shells. In 1831, Charles Sauria of France developed a match that used white phosphorus. Phosphates are ingredients of some detergents. Red phosphorus is used on the strike surface of the box that safety matches are stored in; the friction caused by dragging the match head across the rough surface converts some of the red phosphorus to white phosphorus, which spontaneously ignites, causing the match head to ignite. Phosphorus is used to remove oxygen from copper. Obtained by Schrotter in 1845 by heating white phosphorus for a few hours at 250° in a flask filled with nitrogen. Red phosphorus is also used in fireworks, and other explosives. Even like there are bio carbon and nitrogen cycles, there is also a phosphorus cycle. Used in the striking surface on safety match-boxes. Flares and safety matches are also made from phosphorus. Phosphorus was famously isolated in this form by Hennig Brand, who did so by distilling urine. In addition, the many organic compounds of phosphorus have varied uses, including those as additives for gasoline and lubricating oil, as… Black phosphorus is the least reactive form of phosphorus and has no significant commercial uses. (An apocryphal tale tells of a woman attempting to murder her husband with white phosphorus in his food, which was detected by the stew giving off luminous steam). Propellant in canned whipped cream products Anesthetic in minor … It is used in matches and in the production of certain phosphorus compounds (e.g. Other matches, called safety matches, will ignite only when they are struck on a special rough surface containing certain chemicals. The ability to convert atmospheric nitrogen to a form that can be used by plants. Phosphorus is used in the manufacture of safety matches (red phosphorus), pyrotechnics and incendiary shells. White phosphorus is used in military applications as incendiary bombs, for smoke-screening as smoke pots and smoke bombs, and in tracer ammunition. -Red phosphorus is a red flammable, nontoxic solid, wich is made by exposing white phosphorus to heat/light (in the absence of oxygen). Red phosphorus is not poisonous, and it is used to make the striking surface for safety matches. These uses, along with applications in processes such as steel manufacturing and fine china production, make up a small percentage of the uses for phosphorus in the United States. Ferrophosphorus, a combination of phosphorus with iron, is used as an ingredient in high-strength low-alloy steel. Symbol P A highly reactive, poisonous, nonmetallic element occurring naturally in phosphates, especially apatite, and existing in … Phosphorus compounds are used for fertilizers, soft drinks, … Phosphorus is an important element in the functioning of the human body and is essential for life. Red phosphorus is in the material stuck on the side of matchboxes, used to strike safety matches against to light them. 15% nitrogen 10% P2O5 7% K2O. n. 1. Red phosphorus is used in safety matches, fireworks, smoke bombs and pesticides. It is also used in making alloys. Red phosphorus is used in making pesticides and safety matches. White phosphorus … Haber process. Abundance and Isotopes. Red phosphorus is used in safety matches, fireworks, smoke bombs and pesticides. An essential constituent of protoplasm, it is used in safety matches, pyrotechnics, incendiary shells, and fertilizers and to protect metal surfaces from corrosion. Black phosphorus is flaky like graphite and is made by subjecting white phosphorus to high pressure. Ammonium phosphate is made from phosphate ores. phosphorus: A highly reactive, poisonous, nonmetallic element occurring naturally in phosphates, especially apatite, and existing in three allotropic forms, white (or sometimes yellow), red, and black (or violet). Black phosphorus is also formed by heating white phosphorus, but a mercury catalyst and a seed crystal of black phosphorus are required. Early matches used white phosphorus in their composition, which was dangerous due to its toxicity. The liquid deposits a red powder, and finally solidifies to a purplish-red mass. With a worldwide push to ban the use of white phosphorus matches, the Diamond Match Company got a patent for a non-poisonous match which used sesquisulfide of phosphorus. 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