phosphorus oxychloride


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phosphorus oxychloride

[′fäs·fə·rəs ¦äk·sē′klȯr‚īd]
(inorganic chemistry)
POCl3 Toxic, colorless, fuming liquid with pungent aroma; boils at 107°C; decomposes in water or alcohol; causes skin burns; used as a catalyst, chlorinating agent, and in manufacture of various anhydrides. Also known as phosphoryl chloride.
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(1) A charring agent (PBPP) containing two caged phosphates and benzene group was synthesized using PEPA, phosphorus oxychloride, and hydroquinone, and the structure of PBPP was characterized by FT-IR, [sup.1]H NMR, and 31P NMR.
Pentaerythritol (0.05 mol) and phosphorus oxychloride (50 mL) were mixed in a 250 mL glass flask equipped with a circumference condenser and tail gas absorber.
Phosphorus oxychloride (PO[Cl.sub.3]) was purchased from Tingxin Chemical Industry Corporation of China (Shanghai), 2,2-dimethyl-1.3-propanediol (neopentyl glycol), potassium hydroxide (KOH), hexamethyldisiloxane, and chloroform (CH[Cl.sub.3]) were acquired from Shanghai Chemical Agent Corporation.