A white or pale yellow crystalline powder, C20H14O4, used as an acid - base indicator, in making dyes, and in medicine as a laxative.

 
  • 苯酚酞一种白色或淡黄色的晶体粉末,C20H14O4,用作酸性指示剂,用于制染料,并在医学上用作一种轻泻剂
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