2,6-ジ-tert-ブチルフェノール

危険有害性情報のコード(GHS)

• 絵表示(GHS)

  

• 注意喚起語

  Warning

• 危険有害性情報

  H315：皮膚刺激

  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

  P264：取扱い後は皮膚をよく洗うこと。

  P264：取扱い後は手や顔をよく洗うこと。

  P273：環境への放出を避けること。

  P280：保護手袋/保護衣/保護眼鏡/保護面を着用するこ と。

  P302+P352：皮膚に付着した場合：多量の水と石鹸で洗うこと。

  P332+P313：皮膚刺激が生じた場合：医師の診断/手当てを受けるこ と。

2,6-ジ-tert-ブチルフェノール 価格

MSDS Information

• 2,6-Bis(1,1-Dimethylethyl)phenol

2,6-ジ-tert-ブチルフェノール 化学特性,用途語,生産方法

• 外観

  白色/無色～うすい黄色粉末～塊～透明液体

• 説明

  2,6-Di-tert-butylphenol (2,6-DTBP) serves as the starting material in the production of the most efficient phenolic antioxidants known today and also for the synthesis of 4,4′-dihydroxybiphenyl. The compound is usually synthesised by the alkylation of phenol or of 2-tert-butylphenol (2-TBP) with isobutene. In the presence of aluminium tris-(phenolate) catalyst temperatures between 100 and 125 °C and at pressures up to 25 bar have been employed[1].

• 化学的特性

  white solid

• 使用

  Antioxidant for Gasoline, Jet Fuels, and Electrical Insulating Oils

• 一般的な説明

  Odorless colorless to light yellow solid or liquid. Floats on water. Freezing point is 97°F.

• 空気と水の反応

  Insoluble in water.

• 反応プロフィール

  Phenols, such as 2,6-Di-tert-butylphenol, do not behave as organic alcohols, as one might guess from the presence of a hydroxyl (-OH) group in their structure. Instead, they react as weak organic acids. Phenols and cresols are much weaker as acids than common carboxylic acids (phenol has Ka = 1.3 x 10^[-10]). These materials are incompatible with strong reducing substances such as hydrides, nitrides, alkali metals, and sulfides. Flammable gas (H2) is often generated, and the heat of the reaction may ignite the gas. Heat is also generated by the acid-base reaction between phenols and bases. Such heating may initiate polymerization of the organic compound. Phenols are sulfonated very readily (for example, by concentrated sulfuric acid at room temperature). The reactions generate heat. Phenols are also nitrated very rapidly, even by dilute nitric acid.

• 健康ハザード

  Irritates eyes and (on prolonged contact) skin. Ingestion causes irritation of mouth and stomach.

• 純化方法

  Crystallise the phenol from aqueous EtOH or n-hexane. [Beilstein 6 III 2061.]

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2,6-ジ-tert-ブチルフェノール スペクトルデータ(¹HNMR、¹³CNMR、ESR、IR1、IR2、IR3、MS、Raman)

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