1-니트로피렌

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• 그림문자(GHS)

  

• 신호 어

  Warning

• 유해·위험 문구

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

• 예방조치문구

  P281：요구되는 개인 보호구를 착용하시오

1-니트로피렌 화학적 특성, 용도, 생산

• 개요

  1-Nitropyrene (1-NP) is a nitro-polycyclic aromatic hydrocarbon (PAH) and a byproduct of incomplete combustion product from stationary combustion sources and in vehicle exhaust fumes.

• 화학적 성질

  1-Nitropyrene is a synthetic, light sensitive, yellow to orange-brown crystalline solid that is practically insoluble in water and soluble in diethyl ether, acetone, ethanol, benzene and toluene. It is not used for any commercial applications and is used only for research purposes, principally as a marker for exposure to nitro-polycyclic aromatic hydrocarbons from diesel exhaust.

• 주요 응용

  1-Nitropyrene has been reported to use as a chemical photosensitizer in photocopy toners. It is available for research purposes as a reference material with different purities. ?

• 제조 방법

  The synthesis of 1-nitropyrene by heating pyrene with nitric acid in acetic acid at 50 °C (Boit, 1965). 1-Nitropyrene was also produced in a mixture with dinitropyrenes following the addition of potassium nitrite to pyrene in diethyl ether (Prager & Jacobson, 1922).

• 정의

  ChEBI: 1-nitropyrene is a nitroarene that is pyrene substituted at the 1-position by a nitro group. A by-product of combustion, it is the predominant nitrated polycyclic aromatic hydrocarbon emitted in a diesel engine. It has a role as a carcinogenic agent. It derives from a hydride of a pyrene.

• 일반 설명

  Yellow needles or prisms (from ethanol).

• 공기와 물의 반응

  Insoluble in water.

• 반응 프로필

  1-Nitropyrene may be sensitive to prolonged exposure to light. Reacts with ethanolic potassium hydroxide. Also reacts with zinc powder and ethanol with catalytic amounts of ammonium chloride or ammonia .

• 건강위험

  ACUTE/CHRONIC HAZARDS: When heated to decomposition 1-Nitropyrene emits toxic fumes of NOx.

• 화재위험

  Flash point data for 1-Nitropyrene are not available; however, 1-Nitropyrene is probably combustible.

• Carcinogenicity

  1-Nitropyrene is reasonably anticipated to be a human carcinogenbased on sufficient evidence of carcinogenicity from studies in experimental animals.

• 환경귀착

  1-NP creates yellow needles in ethanol, and it has a melting point of 155 ℃. It is partially insoluble in water (0.02 mg l^-1, 25 ℃); very soluble in diethyl ether; and soluble in acetone, ethanol, benzene, toluene, and tetrahydrofluorenone.
  1-NP upon an estimated Koc value (soil adsorption coefficient normalized to the content of organic carbon) of 13 500 is immobile in soil and adsorb to sediment and solids from water. According to Henry’s law constant of 2.5× 10^-8 atmcum mol1 and vapor pressure (8.3 ×10^-8 mmHg at 25℃) volatilization from moist soil surfaces and water is not an important fate process. It is expected to exist solely in the particulate phase in the ambient atmosphere. Adsorptions to the particulate phase cause occurring photolysis in lower rate and decompose by wet and dry deposition. An estimated bioconcentration factor of 4100 suggests that its concentration in aquatic organisms is very high.

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