2-(2,4-DINITROBENZYL)피리딘

그림문자(GHS)

• 그림문자(GHS)

  

• 신호 어

  Warning

• 유해·위험 문구

  H315：피부에 자극을 일으킴

  H319：눈에 심한 자극을 일으킴

  H335：호흡 자극성을 일으킬 수 있음

• 예방조치문구

  P261：분진·흄·가스·미스트·증기·...·스프레이의 흡입을 피하시오.

  P264：취급 후에는 손을 철저히 씻으시오.

  P264：취급 후에는 손을 철저히 씻으시오.

  P280：보호장갑/보호의/보안경/안면보호구를 착용하시오.

  P304+P340：흡입하면 신선한 공기가 있는 곳으로 옮기고 호흡하기 쉬운 자세로 안정을 취하시오.

  P305+P351+P338：눈에 묻으면 몇 분간 물로 조심해서 씻으시오. 가능하면 콘택트렌즈를 제거하시오. 계속 씻으시오.

  P405：밀봉하여 저장하시오.

2-(2,4-DINITROBENZYL)피리딘 화학적 특성, 용도, 생산

• 화학적 성질

  White to Yellow to Green powder to crystal.

• 용도

  2-(2,4-Dinitrobenzyl)pyridine can be used in organic synthesis and pharmaceutical intermediates.

• 제조 방법

  Synthesis of 2-(2,4-Dinitrobenzyl)pyridine
  A solution of sulfuric acid (15 mL) is placed in an ice bath along with a magnetic stirrer.Benzylpyridine (2.4 mL) is added dropwise, maintaining a temperature below 10°C. This process is then repeated for fuming nitric acid (3.0 mL), once again maintaining the temperature. After addition mixture is allowed to stand at room temperature for 30minutes. Once completed reaction mixture is heated in an 80°C water bath for 20 minutes. Mixture is then poured into a conical flask containing crushed ice (50 cm3) which is stirred in an ice bath. Using a separating funnel aqueous ammonia is added (50 – 100 mL) until the pH rises to ~9 – 10 and filter using a Buchner funnel. Ethyl acetate (40mL) & sodium hydroxide (40mL) is added to the solid and stirred using a magnetic stirrer until dissolved.
  Dry the organic layer using magnesium sulfate as the drying agent which is then followed by a rotary evaporator (40°C, vacuum). Product is then washed using cold methylated spirit and left to recrystalise.

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