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Pronunciation: gal'e-in

Definition: Structurally related to fluorescein and used as an aniline dye indicator, turning rose red above pH 6.6, yellowish brown below pH 4.

Synonym(s): pyrogallolphthalein

Further information

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.