2-メチルペンタン

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

  H373：長期にわたる、または反復暴露により臓器の障 害のおそれ

  H411：長期的影響により水生生物に毒性

• 注意書き

  P201：使用前に取扱説明書を入手すること。

  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。

  P302+P352：皮膚に付着した場合：多量の水と石鹸で洗うこと。

  P308+P313：暴露または暴露の懸念がある場合：医師の診断/手当てを 受けること。

2-メチルペンタン 価格

2-メチルペンタン 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, 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

  医薬原料,接着剤?クリーナー溶剤,重合溶媒等 (NITE CHRIP)

• 用途

  溶剤、有機合成原料。

• 用途

  溶剤、クリーナー添加剤。

• 主な用途／役割

  溶剤型接着剤、エマルション系接着剤、エアゾール接着剤に使用される。

• 化学的特性

  2-Methylpentane (isohexane), C6H14, is a flammable liquid with a specific gravity of 0.653. It occurs naturally in petroleum and gas and as a plant volatile. It is found in sources associated with petroleum products such as petroleum manufacture, natural gas, turbines, and automobiles.

• 物理的性質

  Clear, colorless, very flammable liquid with an odor similar to hexane. An odor threshold concentration of 8.9 ppm_v was reported by Nagata and Takeuchi (1990).

• 使用

  2-Methylpentane is employed as a raw material, rubber solvent and vegetable oil extraction solvent. It is also used as a solvent in adhesives. Further, it is used as an intermediate in organic synthesis and finds application in food, preservatives, cosmetics, pharmaceuticals, beverages and flavor enhancer.

• 調製方法

  Isohexane is manufactured by fractional distillation of gasoline derived from crude oil or liquid product derived from natural gas.

• 一般的な説明

  Watery liquid with a gasoline-like odor, Floats on water. Produces an irritating vapor.

• 空気と水の反応

  Highly flammable.

• 反応プロフィール

  Saturated aliphatic hydrocarbons, such as ISOHEXENE, 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.

• 危険性

  Flammable, dangerous fire risk, reacts vig-orously with oxidizing materials.

• 健康ハザード

  Inhalation causes irritation of respiratory tract, cough, mild depression, cardiac arrhythmias. Aspiration causes severe lung irritation, coughing, pulmonary edema; excitement followed by depression. Ingestion causes nausea, vomiting, swelling of abdomen, headache, depression.

• 環境運命予測

  Photolytic. When synthetic air containing gaseous nitrous acid and 2-methylpentane was exposed to artificial sunlight (λ = 300–450 nm), acetone, propionaldehyde, peroxyacetal nitrate, peroxypropionyl nitrate, and possibly two isomers of hexyl nitrate and propyl nitrate formed as products (Cox et al., 1980).
  Based on a photooxidation rate constant of 5.6 x 10^-12 cm³/molecule?sec for the reaction of 2- methylpentane and OH radicals, the atmospheric lifetime is 25 h (Altshuller, 1991).
  Chemical/Physical: Complete combustion in air yields carbon dioxide and water vapor. 2- Methylpentane will not hydrolyze because it does not contain a hydrolyzable functional group.

• 純化方法

  Purify it by azeotropic distillation with MeOH, followed by washing out the MeOH with water, drying (CaCl2, then sodium), and distilling it. [Forziati et al. J Res Nat Bur Stand 36 129 1946.]

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