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单词 phenol red
释义

phenol /fēˈnol/

noun
  1. Carbolic acid, a weak acid, C6H5OH, produced as hygroscopic needles from coal tar, a powerful disinfectant
  2. Extended to the class of aromatic compounds with one or more hydroxyl groups directly attached to the benzene nucleus, weak acids with reactions of alcohols
ORIGIN: See phene; -ol1

phēnˈolate noun

A salt of a phenol

phenolˈic adjective

phenolphthalein /fē-nol-fthalˈi-in or -thalˈ/ noun

A substance (C20H14O4) derived from phenol and phthalic anhydride, brilliant red in alkalis, colourless in acids, used as an indicator

phenolic resins plural noun

A group of plastics made from a phenol and an aldehyde

phenol red noun

A red dye used to indicate pH and to test kidney function

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更新时间:2024/11/12 2:03:41