Tetraphenylphosphonium chloride

（重定向自Tetraphenylphosphonium）

Tetraphenylphosphonium chloride is the chemical compound with the formula (C₆H₅)₄PCl, abbreviated Ph₄PCl or PPh₄Cl. Tetraphenylphosphonium and especially tetraphenylarsonium salts were formerly of interest in gravimetric analysis of perchlorate and related oxyanions. This colourless salt is used to generate lipophilic salts from inorganic and organometallic anions. Thus, Ph₄P is useful as a phase-transfer catalyst, again because it allows inorganic anions to dissolve in organic solvents.

单词	Tetraphenylphosphonium
释义	Tetraphenylphosphonium 英语百科 Tetraphenylphosphonium chloride （重定向自Tetraphenylphosphonium） Tetraphenylphosphonium chloride is the chemical compound with the formula (C₆H₅)₄PCl, abbreviated Ph₄PCl or PPh₄Cl. Tetraphenylphosphonium and especially tetraphenylarsonium salts were formerly of interest in gravimetric analysis of perchlorate and related oxyanions. This colourless salt is used to generate lipophilic salts from inorganic and organometallic anions. Thus, Ph₄P is useful as a phase-transfer catalyst, again because it allows inorganic anions to dissolve in organic solvents.
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