- Look up
purpurin or
purpurine in Wiktionary, the free dictionary.
Purpurin or
purpurine may
refer to: 1,2,4-Trihydroxyanthraquinone, a
natural red/yellow...
- 1,2,4-Trihydroxyanthraquinone,
commonly called purpurin, is an anthraquinone. It is a
naturally occurring red/yellow dye. It is
formally derived from 9...
-
Purpurin (Italian: Porporino; Latin: Haematinum,
derived from Gr**** haimátinos = "of blood"; German: Hämatinon),
sometimes referred to as gl**** porphyr...
-
Rubia tinctorum.
Madder lake
contains two
organic red dyes:
alizarin and
purpurin. As a paint, it has been
described as a fugitive, transparent, nonstaining...
-
changed to sugar,
alizarin and
purpurin,
which were
first isolated by the
French chemist Pierre Jean
Robiquet in 1826.
Purpurin is
normally not coloured, but...
-
continuum with
transparent red
copper ruby gl**** and
opaque "sealing wax"
purpurin gl****, all of
which are
striking gl****es, the
reddish colors of
which are...
- violet,
anilin violet,
anilin purple, Perkin's violet, indisin, phenamin,
purpurin and lydin.
Laborers in the
aniline dye
industry were
later found to be...
-
earlier in 1826 by the
French chemist Pierre Robiquet,
simultaneously with
purpurin,
another red dye of
lesser industrial interest, but the
German chemical...
-
contained two colorants, the red
alizarin and the more
rapidly fading purpurin. The
alizarin component became the
first natural dye to be synthetically...
-
which stain at
different rates.
Aniline 1,2,4-Trihydroxyanthraquinone or
purpurin,
another red dye that
occurs in
madder root
Hydroxyanthraquinone Dihydroxyanthraquinone...
