bromphenol blue

bromphenol blue
A substituted triphenylmethane dye (MW 670, pK 4.0), used as an acid-base indicator (yellow at pH less than 3.1, blue at pH more than 4.7); also used for histochemical and electrophoretic demonstration of proteins. SYN: bromophenol blue.

* * *

an indicator, tetrabromophenolsulfonphthalein, used in determining hydrogen ion concentration, being yellow at pH 3.0 and blue at pH 4.6. Written also bromophenol b.

Medical dictionary. 2011.

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  • bromphenol blue — noun a dye used as an acid base indicator • Syn: ↑bromophenol blue, ↑tetrabromo phenolsulfonephthalein • Hypernyms: ↑dye, ↑dyestuff, ↑acid base indicator * * * noun see …   Useful english dictionary

  • bromophenol blue — SYN: bromphenol blue. * * * bro·mo·phe·nol blue .brō mō .fē .nōl , .nȯl , fi also brom·phe·nol blue (.)brōm n a dye C19H10Br4O5S obtained as pinkish crystals and used as an acid base indicator …   Medical dictionary

  • bromophenol blue — noun a dye used as an acid base indicator (Freq. 1) • Syn: ↑bromphenol blue, ↑tetrabromo phenolsulfonephthalein • Hypernyms: ↑dye, ↑dyestuff, ↑acid base indicator …   Useful english dictionary

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  • dyestuff — noun a usually soluble substance for staining or coloring e.g. fabrics or hair • Syn: ↑dye • Derivationally related forms: ↑dye (for: ↑dye) • Hypernyms: ↑coloring material, ↑ …   Useful english dictionary

  • acid-base indicator — noun an indicator that changes color on going from acidic to basic solutions • Hypernyms: ↑indicator • Hyponyms: ↑phenolphthalein, ↑congo red, ↑methyl orange, ↑litmus, ↑litmus test, ↑brom …   Useful english dictionary

  • tetrabromo-phenolsulfonephthalein — noun a dye used as an acid base indicator • Syn: ↑bromophenol blue, ↑bromphenol blue • Hypernyms: ↑dye, ↑dyestuff, ↑acid base indicator …   Useful english dictionary

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