1-オクテン

危険有害性情報のコード(GHS)

• 絵表示(GHS)

  

• 注意喚起語

  Danger

• 危険有害性情報

  H225：引火性の高い液体および蒸気

  H304：飲み込んで気道に侵入すると生命に危険のおそ れ

  H410：長期的影響により水生生物に非常に強い毒性

• 注意書き

  P210：熱/火花/裸火/高温のもののような着火源から遠ざ けること。－禁煙。

  P233：容器を密閉しておくこと。

  P240：容器を接地すること/アースをとること。

  P273：環境への放出を避けること。

  P301+P310：飲み込んだ場合：直ちに医師に連絡すること。

  P331：無理に吐かせないこと。

1-オクテン 価格

1-オクテン 化学特性,用途語,生産方法

• 外観

  無色澄明の液体

• 溶解性

  水に不溶。エタノール、エーテルに可溶。水に不溶。エタノール及びアセトンに溶けやすく、水にほとんど溶けない。

• 用途

  有機合成原料、可塑剤、界面活性剤

• 化学的特性

  colourless liquid

• 物理的性質

  Clear, colorless, flammable liquid with a mild but unpleasant hydrocarbon odor. Based on a triangle bag odor method, an odor threshold concentration of 1.0 ppb_v was reported by Nagata and Takeuchi (1990).

• 使用

  1-Octene acts as a comonomer used in the preparation of polyethylene, especially high-density polyethylene (HDPE) and linear low-density polyethylene(LLDPE) resins. It is also used in organic synthesis, surfactants and plasticizers. Further, it is used in process regulators and viscosity adjustors. In addition to this, it is used in the preparation of linear aldehyde through the oxo synthesis (hydroformylation) to get the nonanal.

• 定義

  ChEBI: An octene with an unsaturation C-1.

• 調製方法

  Production method: 1) from Allyl chloride and n-Amyl magnesium bromide. 2) from Octanol with Iodine and red phosphorus. 3) from Monosodium acetylene with Octyl iodide in liquid Ammonia at 40” C. under pressure.

• 一般的な説明

  A colorless liquid. Flash point 70°F. Insoluble in water and less dense (at about 6 lb / gal) than water. Hence floats on water. Vapors are heavier than air and may settle in depressions. Reported to biodegrade very slowly. Used in organic synthesis, surfactants, and plasticizers.

• 空気と水の反応

  Highly flammable. Insoluble in water.

• 反応プロフィール

  1-OCTENE may react vigorously with strong oxidizing agents. May react exothermically with reducing agents to release hydrogen gas. In the presence of various catalysts (such as acids) or initiators, may undergo exothermic addition polymerization reactions.

• 健康ハザード

  Generally low toxicity. Mildly anesthetic at high vapor concentrations. May irritate eyes.

• 環境運命予測

  Biological. Biooxidation of 1-octene may occur yielding 7-octen-1-ol, which may oxidize to 7- octenoic acid (Dugan, 1972).
  Photolytic. Atkinson and Carter (1984) reported a rate constant of 8.1 x 10^-18 cm³/molecule?sec for the reaction of 1-octene and OH radicals in the atmosphere.
  Chemical/Physical. The reaction of ozone and OH radicals with 1-octene was studied in a flexible outdoor Teflon chamber (Paulson and Seinfeld, 1992). 1-Octene reacted with ozone producing heptanal, a thermally stabilized C7 biradical, and hexane at yields of 80, 10, and 1%, respectively. With OH radicals, only 15% of 1-octene was converted to heptanal. In both reactions, the remaining compounds were tentatively identified as alkyl nitrates (Paulson and Seinfeld, 1977). Grosjean et al. (1996) investigated the atmospheric chemistry of 1-octene with ozone and an ozone-nitrogen oxide mixture under ambient conditions. The reaction of 1-octene and ozone in the dark yielded formaldehyde, hexanal, heptanal, cyclohexanone, and a compound tentatively identified as 2-oxoheptanal. The sunlight irradiation of 1-octene with ozone-nitrogen oxide yielded the following carbonyls: formaldehyde, acetaldehyde, propanal, 2-butanone, butanal, pentanal, glyoxal, hexanal, heptanal, and pentanal.
  Chemical/Physical. Complete combustion in air yields carbon dioxide and water.

• 純化方法

  Distil 1-octene under nitrogen from sodium which removes water and peroxides. Peroxides can also be removed by percolation through dried, acid washed, alumina. Store it under N2, or Ar in the dark. [Strukul & Michelin J Am Chem Soc 107 7563 1985, Beilstein 1 H 221, 1 II 199, 1 IV 874.]

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