1-(4-メトキシフェニル)-6-ヘプチン-1-オン

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

  H220：極めて可燃性/引火性の高いガス

  H280：加圧ガス；熱すると爆発のおそれ

• 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。

  P410+P403：日光から遮断し、換気の良い場所で保管するこ と。

1-(4-メトキシフェニル)-6-ヘプチン-1-オン 化学特性,用途語,生産方法

• 解説

  質量数2の水素の同位体核種．2H，Hと区別してDと表すこともある．[別用語参照]重水素
  森北出版「化学辞典（第2版）

• 用途

  化学反応の動力学研究の際、トレーサーとして利用

• 化学的特性

  colourless gas

• 使用

  Used extensively in small amounts as tracer in the establishment of rates and kinetics of chemical reactions.

• 定義

  A naturally occurring stable isotope of hydrogen in which the nucleus contains one proton and one neutron. The atomic mass is thus approximately twice that of 1H; deuterium is known as ‘heavy hydrogen’. Chemically it behaves almost identically to hydrogen, forming analogous compounds, although reactions of deuterium compounds are often slower than those of the corresponding 1H compounds. This is made use of in kinetic studies where the rate of a reaction may depend on transfer of a hydrogen atom (i.e. a kinetic isotope effect).

• 一般的な説明

  DEUTERIUM is an isotope of hydrogen but DEUTERIUM is chemically identical. DEUTERIUM is a colorless, odorless gas. DEUTERIUM is easily ignited. Once ignited DEUTERIUM burns with a pale blue, almost invisible flame. The vapors are lighter than air. DEUTERIUM is flammable over a wide range of vapor/air concentrations. Under prolonged exposure to fire or intense heat the containers may rupture violently and rocket. DEUTERIUM is not toxic but is a simple asphyxiate by the displacement of oxygen in the air.

• 空気と水の反応

  Highly flammable.

• 反応プロフィール

  DEUTERIUM, like hydrogen, is a reducing agent; reacts readily with oxidizing agents.

• 健康ハザード

  Vapors may cause dizziness or asphyxiation without warning. Some may be irritating if inhaled at high concentrations. Contact with gas or liquefied gas may cause burns, severe injury and/or frostbite. Fire may produce irritating and/or toxic gases.

• 火災危険

  EXTREMELY FLAMMABLE. Will be easily ignited by heat, sparks or flames. Will form explosive mixtures with air. Vapors from liquefied gas are initially heavier than air and spread along ground. CAUTION: Hydrogen (UN1049), DEUTERIUM (UN1957), Hydrogen, refrigerated liquid (UN1966) and Methane (UN1971) are lighter than air and will rise. Hydrogen and DEUTERIUM fires are difficult to detect since they burn with an invisible flame. Use an alternate method of detection (thermal camera, broom handle, etc.) Vapors may travel to source of ignition and flash back. Cylinders exposed to fire may vent and release flammable gas through pressure relief devices. Containers may explode when heated. Ruptured cylinders may rocket.

• 农业用途

  Deuterium is one of the three isotopes of hydrogen, the other two being hydrogen-1 and tritium. Hydrogen-1 and deuterium are naturally occurring stable isotopes, while the radioactive tritium is made artificially.
  In nature, the ratio is one part of deuterium to 6500parts of normal hydrogen. Deuterium is present in water as the oxide HDO from which deuterium is usually obtained by electrolysis or fractional distillation. Its chemical behavior is similar to that of hydrogen, although deuterium compounds react slowly.

• 純化方法

  Pass the gas over activated charcoal at -195o [MacIver & Tobin J Phys Chem 64 451 1960]. Purify it also by diffusion through nickel [Pratt & Rogers, J Chem Soc, Faraday Trans I 92 1589 1976]. Always check deuterium for radioactivity to determine the amount of tritium in it (see D2O below).

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