- 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...
-
Phenol red (also
known as
phenolsulfonphthalein or PSP) is a pH
indicator frequently used in cell
biology laboratories.
Phenol red
exists as a red crystal...
-
reaction of
phthalic anhydride with
various phenols. They are a
subclass of
triarylmethane dyes.
Common phthalein dyes include:
Bromothymol blue Bromocresol...
-
Bromothymol blue (also
known as
bromothymol sulfone phthalein and BTB) is a pH indicator. It is
mostly used in
applications that
require measuring substances...
-
Thymolphthalein is a
phthalein dye used as an acid–base (pH) indicator. Its
transition range is
around pH 9.3–10.5.
Below this pH, it is colorless; above...
-
synthesize phthalein dyes is effective. This
method is used to
synthesize phenolphthalein and thymolphthalein. To begin, a 2M
equivalent of a
phenol or a substituted...
- chloride)
Fuchsine acid
Phenol dyes have
hydroxyl groups at the p
positions of at
least two aryl groups.
Phenol dyes
Phenolphthalein Phenol red Chlorophenol...
-
Bromsulfthalein (also
known as bromsulphthalein, bromosulfophthalein, and BSP) is a
phthalein dye used in
liver function tests.
Determining the rate of
removal of the...
-
synthesis and
description of the
plant dye indigo, the
discovery of the
phthalein dyes, and the
investigation of polyacetylenes,
oxonium salts, nitroso...
- yellowish-green fluorescence. The rhodamines,
which are
closely related to the
phthaleins, are
formed by the
condensation of the
alkyl metaaminophenols with phthalic...
