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In chemistry, a phosphide is a compound containing the P 3− ion or its equivalent. Many different phosphides are known, with widely differing structures. [ 1 ] Most commonly encountered on the binary phosphides, i.e. those materials consisting only of phosphorus and a less electronegative element.
Sodium phosphide is the inorganic compound with the formula Na 3 P. It is a black solid. It is often described as Na + salt of the P 3− anion. [2] Na 3 P is a source of the highly reactive phosphide anion. It should not be confused with sodium phosphate, Na 3 PO 4.
Aluminium phosphide is a highly toxic inorganic compound with the chemical formula AlP, used as a wide band gap semiconductor and a fumigant. This colorless solid is generally sold as a grey-green-yellow powder due to the presence of impurities arising from hydrolysis and oxidation .
Arsenic monophosphide, also called arsenic phosphide, [1] is an inorganic compound with the chemical formula As P. Containing only arsenic and phosphorus, this material is classified as a binary phosphide as well as an interpnictogen. Ratios of arsenic to phosphorus are not fixed and can vary. Depending on the ratio, the band gap changes. [2]
Iron phosphide is a chemical compound of iron and phosphorus, with a formula of FeP.< [1] Its physical appearance is grey needles. Manufacturing of iron phosphide takes place at elevated temperatures, where the elements combine directly. [1] Iron phosphide reacts with moisture and acids producing phosphine (PH 3), a toxic and pyrophoric gas.
Titanium(III) phosphide (TiP) is an inorganic chemical compound of titanium and phosphorus. Normally encountered as a grey powder, [ 1 ] it is a metallic conductor with a high melting point. [ 2 ] It is not attacked by common acids or water. [ 1 ]
Copper phosphide, Cu 3 P, also copper(I) phosphide, cuprous phosphide, cuprophosphorus and phosphor copper, is a compound of copper and phosphorus, a phosphide of copper. It has the appearance of yellowish-grey very brittle mass of crystalline structure. It does not react with water.
Scandium phosphide is an inorganic compound of scandium and phosphorus with the chemical formula Sc P. [3] [4] [5]