클로로펜타아민 코발트(III) 염화물

그림문자(GHS)

• 그림문자(GHS)

  

• 신호 어

  Danger

• 유해·위험 문구

  H317：알레르기성 피부 반응을 일으킬 수 있음

  H334：흡입 시 알레르기성 반응, 천식 또는 호흡 곤란 등을 일으킬 수 있음

  H351：암을 일으킬 것으로 의심됨 (노출되어도 암을 일으키지 않는다는 결정적인 증거가 있는 노출경로가 있다면 노출경로 기재)

  H413：장기적 영향에 의해 수생생물에 유해의 우려가 있음

• 예방조치문구

  P201：사용 전 취급 설명서를 확보하시오.

  P273：환경으로 배출하지 마시오.

  P280：보호장갑/보호의/보안경/안면보호구를 착용하시오.

  P302+P352：피부에 묻으면 다량의 물로 씻으시오.

  P308+P313：노출 또는 접촉이 우려되면 의학적인 조치· 조언를 구하시오.

클로로펜타아민 코발트(III) 염화물 화학적 특성, 용도, 생산

• 화학적 성질

  brick red crystal(s) [KIR79] [ALD94]

• 용도

  A nanocomposite of nanophotoadduct of pentaamminechlorocobalt(III) chloride with hexamine and polythiophene (PTh)may be used in high temperatures electrical appliances. It may be used along with potassium tris(oxalato)chromate(III) to synthesize heterometallic compound, [CoCl(NH₃ )₅ ] [KCr(C₂ O₄ )₃ ]?0.5H₂O.This heterometallic compound has several potential applications such as microporous hybrid material with organic π-donors.

• 제조 방법

  Chloropentaamminecobalt (III) Chloride is obtained by oxidation of an ammoniacal CoCl3 solution, and purified via [Co(NH3)sH2O]2(C2O4)3 ? 4H3O.
  A solution of 20 g. of precipitated cobalt carbonate in some 1:1 HCl is prepared, filtered and cooled; a mixture of 250 ml. of cone, ammonia and 50 g. of (NH4)3CO3 dissolved in 250 ml. of H3O is then added. The mixture is oxidized for three hours by bubbling in a stream of air. After addition of 150 g. of NH4Cl the solution is evaporated to sirup consistency on the steam bath. Dilute HCl is added to drive off the CO 2 and produce a weakly acid reaction; then ammonia is added to give a weakly basic solution, followed by 10 ml. of additional cone, ammonia. The liquid, whose volume at this point is 400-500 ml., is heated on the steam bath until all the tetraammine salt disappears; it is then treated with 300 ml. of cone. HCl and heated for 30-45 minutes on the steam bath. The [Co(NH3)5- Cl]Cl2 precipitates on cooling. It is filtered off and washed with 1:1 HCl until free of NH4Cl, then with alcohol until free of acid. The salt still contains some [Co(NH3) 5]Cl3. Yield: 34.5 g.
  

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