-
Phthalein dyes are a
class of dyes
mainly used as pH indicators, due to
their ability to
change colors depending on pH. They are
formed by the reaction...
- Doernberg, S; Horner, A (1953). "Laxatives:
chemical structure and
potency of
phthaleins and hydroxyanthraquinones".
Journal of the
American Pharmaceutical ****ociation...
-
Bromothymol blue (also
known as
bromothymol sulfone phthalein and BTB) is a pH indicator. It is
mostly used in
applications that
require measuring substances...
- and pink in
basic solutions. It
belongs to the
class of dyes
known as
phthalein dyes.
Phenolphthalein is
slightly soluble in
water and
usually is dissolved...
-
Beilstein 5-19-03-00457 Tamura, Z.;
Maeda M. (1997). "Differences
between phthaleins and sulfonphthaleins".
Yakugaku Z****hi (in ****anese). 117 (10–11): 764–770...
-
earned his
doctorate in 1874
under Adolf von
Baeyer with his
study of
phthaleins.
Fischer remained with
Baeyer in Str****burg as an
independent research...
- with acid and base, and thus
serve as pH indicators.
Zelyonka attack Phthalein dye
Wikimedia Commons has
media related to
Triarylmethane dyes. Gessner...
-
amide Lactim, a
cyclic imide Lactide, a
cyclic diester Halolactonization Phthalein "lactones",
Compendium of
Chemical Terminology, 2.3.3,
International Union...
-
synthesis and
description of the
plant dye indigo, the
discovery of the
phthalein dyes, and the
investigation of polyacetylenes,
oxonium salts, nitroso...
- α-Naphtholphthalein (C28H18O4) is a
phthalein dye used as a pH
indicator with a
visual transition from colorless/reddish to
greenish blue at pH 7.3–8...
