プロピルベンゼン

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

  H226：引火性の液体および蒸気

  H304：飲み込んで気道に侵入すると生命に危険のおそ れ

  H335：呼吸器への刺激のおそれ

  H411：長期的影響により水生生物に毒性

• 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。

  P273：環境への放出を避けること。

プロピルベンゼン 価格

プロピルベンゼン 化学特性,用途語,生産方法

• 外観

  無色～黄褐色, 澄明の液体

• 溶解性

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

• 用途

  染色剤、セルロースアセテートの溶剤

• 化学的特性

  colourless or light yellow liquid

• 物理的性質

  Clear, colorless, mobile liquid with an odor similar to ethylbenzene or toluene. An odor threshold concentration of 3.8 ppb_v was determined by a triangular odor bag method (Nagata and Takeuchi, 1990). Cometto-Mu?iz and Cain (1994) reported an average nasal pungency threshold concentration of 1,487 ppm_v.

• 使用

  n-Propylbenzene is used to prepare benzoic acid. It is employed as a solvent for gas chromatography. It is also used as a solvent and an intermediate in organic synthesis. Further, it is used in fuels and fuel additives.

• 定義

  ChEBI: An alkylbenzene that is benzene having one of its aromatic hydrogens substituted by a propyl group.

• 一般的な説明

  A clear colorless liquid. Insoluble in water and less dense than water. Flash point 86°F. Mildly toxic by ingestion and inhalation. Used to make other chemicals.

• 空気と水の反応

  Highly flammable. Insoluble in water.

• 反応プロフィール

  Vigorous reactions, sometimes amounting to explosions, can result from the contact between aromatic hydrocarbons, such as PROPYL BENZENE, and strong oxidizing agents. They can react exothermically with bases and with diazo compounds. Substitution at the benzene nucleus occurs by halogenation (acid catalyst), nitration, sulfonation, and the Friedel-Crafts reaction.

• 危険性

  Flammable, moderate fire risk.

• 健康ハザード

  May be harmful by inhalation, ingestion, or skin absorption. May cause eye and skin irritation.

• 火災危険

  Special Hazards of Combustion Products: Vapor may travel considerable distance to a source of ignition and flashback.

• 環境運命予測

  Biological. A Nocardia sp., growing on n-octadecane, biodegraded propylbenzene to phenylacetic acid (Davis and Raymond, 1981). Propylbenzene was cometabolized by a strain of Micrococcus cerificans to cinnamic acid (Pitter and Chudoba, 1990).
  Estimated half-lives of propylbenzene (0.8 μg/L) from an experimental marine mesocosm during the spring (8–16 °C), summer (20–22 °C), and winter (3–7 °C) were 19, 1.3, and 11 d, respectively (Wakeham et al., 1983).
  Photolytic. A rate constant of 3.7 x 10^-9 L/molecule?sec was reported for the reaction of propylbenzene with OH radicals in the gas phase (Darnall et al., 1976). Similarly, a room temperature rate constant of 5.7 x 10^-12 cm³/molecule?sec was reported for the vapor-phase reaction of propylbenzene with OH radicals (Atkinson, 1985). At 25 °C, a rate constant of 6.58 x 10-12 cm³/molecule?sec was reported for the same reaction (Ohta and Ohyama, 1985).
  Chemical/Physical. Propylbenzene will not hydrolyze because it does not contain a hydrolyzable functional group (Kollig, 1993).

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プロピルベンゼン スペクトルデータ(¹HNMR、¹³CNMR、IR1、MS、Raman)

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