ジベンジルエーテル

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

  H317：アレルギー性皮膚反応を起こすおそれ

  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

  P261：粉じん/煙/ガス/ミスト/蒸気/スプレーの吸入を避ける こと。

  P272：汚染された作業衣は作業場から出さないこと。

  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。

  P333+P313：皮膚刺激または発疹が生じた場合：医師の診断/手当てを 受けること。

ジベンジルエーテル 価格

ジベンジルエーテル 化学特性,用途語,生産方法

• 外観

  無色〜わずかにうすい黄色, 澄明の液体

• 溶解性

  水に不溶 (＜10mg/L)。エタノール, アセトンに易溶。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

  溶媒やキャリア染色、フルーツ?スパイス?ナッツ系フレーバー、石鹸用フローラル系香料として使用される。

• 化学的特性

  Dibenzyl ether is a clear, almost colorless liquid. It is miscible with alcohols and ethers, but insoluble in water. Dibenzyl ether is used as special solvent and delustering agent for textiles.

• 使用

  Benzyl ether is used as an effective GFP friendly tissue clearing medium for mouse brains. It is also used in a study to develop a detailed protocol for performing 3D imaging of solvent-cleared organs and its application to various microscopy techniques. It is also employed as a plasticizer for nitrocellulose and synthetic rubber, a solvent in perfumery, and a flavoring agent in chewing gums and baked goods. It can also be used as a plasticizer for nitrocellulose and a solvent in spices.

• 主な応用

  Benzyl ether is an aromatic ether that is commonly employed as a protecting agent and benzylating agent. It is a plasticizer for nitrocellulose and a solvent in perfumery.

• 定義

  ChEBI: Dibenzyl ether is a benzyl ether in which the oxygen atom is connected to two benzyl groups. It has a role as a metabolite.

• 製造方法

  As a by-product in the preparation of benzyl alcohol by hydrolysis of benzyl chloride; by using a concentrated caustic instead of carbonate, yields can be improved to 50% or higher.

• 一般的な説明

  Colorless liquid with a mild odor.

• 空気と水の反応

  Oxidizes readily in air to form unstable peroxides that may explode spontaneously [Bretherick, 1979 p.151-154, 164]. Insoluble in water.

• 反応プロフィール

  Benzyl ether can act as a base to form salts with strong acids and addition complexes with Lewis acids. May react violently with strong oxidizing agents. Burns readily but relatively inert in other reactions, which typically involve the breaking of the carbon-oxygen bond.

• 危険性

  Moderately toxic by ingestion. A skin irri- tant.

• 健康ハザード

  Inhalation may cause nausea because of disagreeable odor. Contact of liquid with eyes causes mild irritation. Prolonged exposure of skin to liquid causes reddening and irritation. Ingestion produces nausea.

• 火災危険

  Benzyl ether is combustible.

• 合成

  Benzyl ether is formed when benzyl alcohol is heated with strong acids or bases. It is produced almost exclusively by the alkaline hydrolysis of benzyl chloride. Heat treatment decomposes dibenzyl ether into benzaldehyde and toluene.

• 純化方法

  Reflux the ether over sodium, then distil it under reduced pressure. It been purified by fractional freezing. [Beilstein 6 IV 2240.]

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ジベンジルエーテル スペクトルデータ(¹HNMR、¹³CNMR、IR1、IR2、MS、Raman)

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