5,6-ジヒドロキシナフト[2,3-f]キノリン-7,12-ジオン

5,6-ジヒドロキシナフト[2,3-f]キノリン-7,12-ジオン 化学特性,用途語,生産方法

• 化学的特性

  Violet crystals. Insoluble in water, soluble in glacial acetic acid and hot benzene.

• 使用

  As indicator in saturated alcoholic solution. pH: pink 0.0 to yellow 1.6; yellow 6.0 to green 7.6.

• 定義

  ChEBI: An organic heterotetracyclic compound that is naphtho[2,3-f]quinoline-7,12-dione carrying two additional hydroxy groups at positions 5 and 6. Used as an acid-base indicator. Between pH 0.0 and pH 1.6 it changes from pink to yellow, and between pH 6.0 and pH 7.6 it changes from yellow to green.

5,6-ジヒドロキシナフト[2,3-f]キノリン-7,12-ジオン 生産企業

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