phthalein, class, dyes, mainly, used, indicators, their, ability, change, colors, depending, they, formed, reaction, phthalic, anhydride, with, various, phenols, they, subclass, triarylmethane, dyes, chemical, structure, phenolphthalein, common, phthalein, com. Phthalein dyes are a class of dyes mainly used as pH indicators due to their ability to change colors depending on pH 1 They are formed by the reaction of phthalic anhydride with various phenols They are a subclass of triarylmethane dyes Chemical structure of phenolphthalein a common phthalein dye Common phthalein dyes include Bromothymol blue Bromocresol green Bromocresol purple Cresol Red o Cresolphthalein Chlorophenol red Dixylenolphthalein Guaiacolphthalein a Naphtholphthalein Phenolphthalein Phenolsulfonphthalein Tetrabromophenolphthalein Thymol blue Thymolphthalein XylenolphthaleinSee also EditTriarylmethane dyeReferences Edit Sabnis Ram W 2010 Phthalein Dyes Kirk Othmer Encyclopedia of Chemical Technology doi 10 1002 0471238961 phthsabn a01 ISBN 978 0471238966 This article about an organic compound is a stub You can help Wikipedia by expanding it vte Retrieved from https en wikipedia org w index php title Phthalein dye amp oldid 1080799209, wikipedia, wiki, book, books, library,
