2,3-ジメチルブタン

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

  H315：皮膚刺激

  H336：眠気やめまいのおそれ

  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。

  P233：容器を密閉しておくこと。

  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。

  P303+P361+P353：皮膚（または髪）に付着した場合：直ちに汚染された衣 類をすべて脱ぐこと/取り除くこと。皮膚を流水/シャワー で洗うこと。

  P331：無理に吐かせないこと。

2,3-ジメチルブタン 価格

2,3-ジメチルブタン 化学特性,用途語,生産方法

• 外観

  無色～ほとんど無色, 澄明の液体

• 溶解性

  水に不溶, エタノール, アセトンに可溶。エタノール及びアセトンに溶け、水に溶けにくい。

• 用途

  溶剤、クリーナー添加剤。

• 化学的特性

  2,3-Dimethylbutane, C6H14, is a flammable liquid with a specific gravity of 0.66164. It is released into the atmosphere from automobile, biomass combustion, and gasoline vapor emissions.

• 物理的性質

  Colorless liquid with a mild gasoline-like odor. An odor threshold concentration of 4.2 ppm_v was reported by Nagata and Takeuchi (1990).

• 使用

  2,3-Dimethylbutane is used in high octane fuels and in organic synthesis. It is also used as a gas chromatography standard.

• 調製方法

  2,3-Dimethylbutane is produced from crude oil, natural liquid gases, and petroleum refining processes.

• 一般的な説明

  A clear colorless liquid with a petroleum-like odor. Flash point -20°F. Less dense than water and insoluble in water. Vapors heavier than air.

• 空気と水の反応

  Highly flammable. Insoluble in water.

• 反応プロフィール

  Saturated aliphatic hydrocarbons, such as 2,3-DIMETHYLBUTANE, may be incompatible with strong oxidizing agents like nitric acid. Charring of the hydrocarbon may occur followed by ignition of unreacted hydrocarbon and other nearby combustibles. In other settings, aliphatic saturated hydrocarbons are mostly unreactive. They are not affected by aqueous solutions of acids, alkalis, most oxidizing agents, and most reducing agents. 2,3-DIMETHYLBUTANE is incompatible with oxidizing materials. 2,3-DIMETHYLBUTANE is also incompatible with oxygen. .

• 健康ハザード

  Inhalation or contact with material may irritate or burn skin and eyes. Fire may produce irritating, corrosive and/or toxic gases. Vapors may cause dizziness or suffocation. Runoff from fire control or dilution water may cause pollution.

• 安全性プロファイル

  Probably an irritant and narcotic in high concentration. A very dangerous fire and explosion hazard when exposed to heat or flame; can react vigorously with oxidizing materials. Keep away from heat and open flame. To fight fire, use foam, CO2, dry chemical. When heated to decomposition it emits acrid smoke and irritating fumes.

• 環境運命予測

  Photolytic. Major products reported from the photooxidation of 2,3-dimethylbutane with nitrogen oxides are carbon monoxide and acetone. Minor products included formaldehyde, acetaldehyde and peroxyacyl nitrates (Altshuller, 1983). Synthetic air containing gaseous nitrous acid and exposed to artificial sunlight (λ = 300–450 nm) photooxidized 2,3-dimethylbutane into acetone, hexyl nitrate, peroxyacetal nitrate, and a nitro aromatic compound tentatively identified as a propyl nitrate (Cox et al., 1980).
  Chemical/Physical. Complete combustion in air yields carbon dioxide and water vapor. 2,3- Dimethylbutane will not hydrolyze because it has no hydrolyzable functional group.

• 純化方法

  Distil it from sodium, pass it through a column of silica gel (activated by heating in nitrogen to 350o before use) to remove unsaturated impurities, and again distil it from sodium. Also distil it azeotropically with MeOH, then wash with water, dry (Na2SO4) it, and redistil it. [Beilstein 1 IV 371.]

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