염화니트릴

염화니트릴 화학적 특성, 용도, 생산

• 화학적 성질

  Colorless gas; odor of chlorine; liquid and solutions have yellow tinge.

• 물리적 성질

  Colorless gas; chlorine-like odor; gas density 2.81 g/L at 100°C; liquefies to a pale-yellow liquid at -14.3°C; density of the liquid 1.33 g/mL; solidifies at -145°C; decomposes above 120°C; reacts with water.

• 용도

  Nitrating and chlorinating agent in organic syntheses.

• 제조 방법

  Nitryl chloride is prepared most conveniently by reacting chlorosulfonic acid with anhydrous nitric acid at 0°C:
  
  An older preparation method involves passing dry chlorine gas slowly over dry silver nitrate heated to about 100°C. The gaseous reaction products are allowed to cool to low temperature. After several hours, nitryl chloride condenses to a pale yellowish-brown liquid. Chlorine is removed by purging with CO₂.
  2AgNO₃ + 2Cl₂ → 2NO₂Cl + 2AgCl + O₂.

• 위험도

  May explode on contact with organic materials. Corrosive to tissue.

• Safety Profile

  A poison by inhalation. Acorrosive irritant to skin, eyes, and mucous membranes. Apowerful oxidizer. The gas or liquid may attack organicmatter with explosive violence. Violent reaction withammonia or sulfur dioxide. Incompatible with tin(II)bromide

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