メチルシアノアクリレート

メチルシアノアクリレート
Structural fomula of methyl cyanoacrylate
Ball-and-stick model of the methyl cyanoacrylate molecule{{{画像alt1}}}
識別情報
CAS登録番号 137-05-3 ×
PubChem 8711
ChemSpider 8387 チェック
特性
化学式 C5H5NO2
モル質量 111.1 g/mol
密度 1.1
融点

-40 °C, 233 K, -40 °F

沸点

48-49°C (2.5-2.7 mm Hg)

への溶解度 30% (20°C)[2]
蒸気圧 0.2 mmHg (25°C)[2]
危険性
許容曝露限界 none[2]
関連する物質
関連する
シアノアクリレート
エチルシアノアクリレート
ブチルシアノアクリレート
オクチルシアノアクリレート
特記なき場合、データは常温 (25 °C)・常圧 (100 kPa) におけるものである。

メチルシアノアクリレート(: Methyl cyanoacrylateMCA)は複数の官能基メチルエステルニトリルアルケン)を含む有機化合物である。その化合物は低粘度の無色の液体である。主な用途は、シアノアクリレート接着剤の主成分である[3]。その接着剤は、実に様々な商標で販売されている。メチルシアノアクリレートは、エチルシアノアクリレートほどには一般的には見かけない。

MCAは、アセトンメチルエチルケトンニトロメタンジクロロメタンに溶解する[4]。また、水分が存在すると、急速に重合反応を起こす。

安全性

MCAのポリマーを加熱すると、硬化していたMCA、は解重合を起こし、肺や眼に強い刺激性を示す気体状生成物を発生する。MCAの職業上の暴露限界に関して、アメリカ 国立労働安全衛生研究所(NIOSH)は、8時間労働では2ppm(8mg/m3)まで、短時間では4ppm(16mg/m3)まで、とすることを勧告している[5]

脚注

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