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phosphorus trichloride

American  

noun

Chemistry.
  1. a clear, colorless, fuming liquid, PCl 3 , used chiefly in organic synthesis as a chlorinating agent.


Example Sentences

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The best method for preparing pure phosphorous acid is by hydrolyzing phosphorus trichloride:

From Textbooks • Feb. 14, 2019

Day after day they emerged with ton after ton of chemicals--sodium cyanide, sodium fluoride, phosphorus trichloride, isopropyl alcohol, acetonitrile--some benign, but others deadly, and still others that if mixed together might create something deadlier still.

From Time Magazine Archive

It can be easily obtained, however, in the form of transparent crystals when phosphorus trichloride is treated with water and the resulting solution is evaporated: PCl3 + 3H2O = H3PO3 + 3HCl.

From An Elementary Study of Chemistry by McPherson, William