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It is a red-pink dye used for food coloring, cosmetics, hair coloring, pet products, and diverse industrial colorings. [ 2 ] [ 3 ] It is the disodium salt of 2,4,5,7-tetraiodo fluorescein . [ 2 ]
The dye is an organic compound of bromine (i.e., an organobromine compound), a class of compounds often found in algae and in some other sea life, but much more rarely found in the biology of land animals. This dye is in contrast to the imitation purple that was commonly produced using cheaper materials than the dyes from the sea snail. [2]
Crimson is a rich, deep red color, inclining to purple. [2] It originally meant the color of the kermes dye produced from a scale insect, Kermes vermilio, but the name is now sometimes also used as a generic term for slightly bluish-red colors that are between red and rose.
Basic dye 11050 azo 2869-83-2: Juglone: Oil red BS Black walnut Natural brown 7 75500 natural 481-39-0: Kaempferol: Rhamnolutein Natural yellow 13 75640 natural 520-18-3: Kermes: Kermesic acid: Natural red 3 75460 natural 18499-92-8: Lac: Shellac Laccaic acid Xanthokermesic acid Natural red 25 75450 natural 60687-93-6: Lanosol yellow 4G ...
Arsenic Pigments. Scheele's Green: yellowish-green pigment commonly used during the early to mid-19th century (AsCuHO 3); Paris Green: It was manufactured in 1814 to be a pigment to make a vibrant green paint
Cochineal dye was extensively used in the Pre-Columbian era, often for ceremonial textiles and those worn by rulers. [28]: 12–25 The dye bonds best with animal fibers rather than plant fibers and was most effective for dying wool from alpacas and other Camelidae, rabbit fur, and feathers. It was also used on cottons and plant-based fabrics ...
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Rhodamine B is an important hydrophilic xanthene dye well known for its stability and is widely used in the textile industry, leather, paper printing, paint, coloured glass and plastic industries. [4] Rhodamine B (BV10) is mixed with quinacridone magenta (PR122) to make the bright pink watercolor known as Opera Rose. [5]