alizarin


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Related to alizarin: alizarin red, alizarin yellow, alizarin red S

a·liz·a·rin

(ă-liz'ă-rin), [C.I. 58000]
1,2-dihydroxyanthraquinone; a red dye that occurs in the root of madder (Rubia tinctorum and other Rubiaceae) in glucose combination (ruberythric acid) as orange needles, slightly soluble in water; used by the ancients as a dye. Now produced synthetically from anthracene and used in the manufacture of dyes, for example, alizarin blue, alizarin orange, Turkey red. As an indicator, it is yellow below pH 5.5 and red above pH 6.8; other modified alizarins have other colors and change color at other pH values.

alizarin

/aliz·a·rin/ (ah-liz´ah-rin) a red crystalline dye prepared synthetically or obtained from madder; its compounds are used as indicators.

a·liz·a·rin

(ă-liz'ă-rin)
[CI 58000] A red dye that occurs in the root of madder as orange needles, slightly soluble in water; used by the ancients as a dye. Now made synthetically from anthracene and used in the manufacture of dyes, e.g., alizarin blue, alizarin orange, "Turkey red." As an indicator, it is yellow below pH 5.5 and red above pH 6.8; other modified alizarins have other colors and change color at other pH values.

alizarin

, alizarine (ă-liz′ă-rĭn) (-rēn″) [Fr. alizarine, fr Arabic alasāra, extract, juice + -ine]
A red dye obtained from coal tar or madder and used as a histological stain.
References in periodicals archive ?
After 14 days, MSCs were fixed and stained with Alizarin Red S for osteogenic differentiation and Oil Red O for adipogenic differentiation.
Perkin converted anthracene to alizarin in a process he patented on June 26, 1869.
teminckii, the pterygoid, palatine and vomer present ossification centers in stage 18, with the pterygoid more advanced, indicated by the greater retention of alizarin dye.
3+] was determined spectrophotometrically as the alizarin Red S complex (Maxwell 1968), following the oxidation of HA and organics in solution by perchloric acid digestion and adjusting the pH of the resulting solution to 4-5.
Three Colgate tubes contain cerulean blue, alizarin purple, and orange.
On gestation day 19, fetuses were dissected from the uterus, weighed, eviscerated, and then fixed in formalin; subsequently all fetuses were skinned, cleared with glycerol, and stained with Alcian blue and Alizarin red for visualization of skeletons (4).
sanitarian, Robert Angus Smith, and the Manchester manufacturer Edward Schunck (bleaching, fulling and calico printing), whose extensive work on natural dyestuffs included the isolation of alizarin, the active dyeing component of the madder plant.
El Greco's colors are of one type, often glazed, and match where nothing is suspected to exist: alizarin crimson, viridian, a clear yellow and ultramarine blue.
Classical organic pigments with lower fastness properties than the high-performance types include 2B Red, pyrazolone reds and oranges, diarylide yellow, Red Lake C, alizarin maroon and lithol rubine.
For the distance I apply, with a few light strokes of the 11/2ins brush, a weak mix of cobalt blue and light red with a touch of alizarin crimson.
The natural compound Alizarin as an osteotropic drug for the treatment of bone tumors.
it can also be dyed with alizarin animals are offered.