2-シアノアセトアミド

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

  H302：飲み込むと有害

  H315：皮膚刺激

  H319：強い眼刺激

  H335：呼吸器への刺激のおそれ

• 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。

  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。

  P270：この製品を使用する時に、飲食または喫煙をしないこ と。

  P301+P312：飲み込んだ場合：気分が悪い時は医師に連絡する 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。

  P305+P351+P338：眼に入った場合：水で数分間注意深く洗うこと。次にコ ンタクトレンズを着用していて容易に外せる場合は外す こと。その後も洗浄を続けること。

2-シアノアセトアミド 価格

MSDS Information

• Cyanoacetamide

2-シアノアセトアミド 化学特性,用途語,生産方法

• 外観

  白色〜わずかにうすい黄色, 結晶〜結晶性粉末又は塊

• 溶解性

  水, 熱エタノールに易溶。

• 用途

  有機合成原料。

• 化学的特性

  White or light yellow needle crystal or powder. Slightly soluble in water, easily soluble in ethanol.

• 使用

  2-Cyanoacetamide was used in spectrofluorimetric method for the determination of some antihistaminic H1 receptor antagonist drugs such as ebastine, cetirizine dihydrochloride and fexofenadine hydrochloride. It may be used in fluorometric determination of 3,4-dihydroxyphenylalanine. It was used as post column fluorigenic derivatizing agent for the bio-analysis and pharmacokinetics of chitosan ester in rabbit serum. Cyanoacetamide is the starting reagent for vitamin B6 synthesis. It reacts with reducing carbohydrates in borate buffer to give intense fluorescence and is useful for the automated analysis of carbohydrates as borate complexes. It can also be used in the synthesis of heterocyclic compounds such as pyrazole, pyridine and pyrimidine derivatives. Moreover, it can also be applied for the spectrophotometric assay of the enzyme activity of cellulose in related host cells.

• 製造方法

  Cyanoacetamide can be prepared from ethyl cyanoacetate and ammonia. Cool the ethyl cyanoacetate to below 200°C, add concentrated ammonia water to react, and the mixture turns from turbid to clear. After cooling in cold water for 20 minutes, a precipitate is precipitated. After filtration and drying, the crude product is obtained, and then the crude product of cyanoacetamide is added. In the boiling ethanol, after dissolving it, add a small amount of activated carbon for decolorization and purification, filter, cool the filtrate to separate out the precipitate, and dry it at 80-100 ℃ to obtain the fine cyanoacetamide.

• 定義

  2-Cyanoacetamide is an acetic amide with a nitrile functional group. It is a codon of glutamine that directs the placement of glutamine into a polypeptide.

• 一般的な説明

  Cyanoacetamide is the starting reagent for vitamin B₆ synthesis. It reacts with reducing carbohydrates in borate buffer to give intense fluorescence andis useful for the automated analysis of carbohydrates as borate complexes.

• 純化方法

  Crystallise the amide from MeOH/dioxane (6:4), then water and dry it over P2O5 under vacuum. [Beilstein 2 IV 1891.]

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