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单词 phosphorus pentachloride
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phosphorus pentachloride
phosphorus pentachloride n. Chemistry phosphorus( v) chloride, PCl5, a yellowish-white solid used as a chlorinating agent in organic chemistry.
ΚΠ
1868 H. B. Jones & H. Watts Fownes's Man. Elem. Chem. (ed. 10) 235 Phosphorus Pentachloride or Phosphoric Chloride is formed when phosphorus is burned in excess of chlorine.
1955 B. C. L. Kemp Elem. Org. Chem. (new ed.) xxi. 284 Sulphonic acids yield acid chlorides (sulphonyl chlorides) with phosphorus pentachloride.
1988 F. A. Cotton & G. Wilkinson Adv. Inorg. Chem. (ed. 5) xi. 395 Phosphorus pentachloride is molecular in the gas and liquid phases.
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