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The index serves as a common reference database of manufactured colour products and is used by manufacturers and consumers, such as artists and decorators. Colorants (both dyes and pigments ) are listed using a dual classification which use the Colour Index Generic Name (the prime identifier) and Colour Index Constitution Numbers .
Mars Black is an iron oxide pigment developed in the 20th century. Also known under the names of black iron oxide, magnetic oxide, Pigment Black 11, and ferrous ferric oxide (Fe 3 O 4), [1] it has no known health hazards [2] and is considered non-toxic, with an ASTM lightfastness rating of I. It is more opaque and less toxic than other black ...
Copper pigments. Han purple: BaCuSi 2 O 6. Cobalt pigments. Cobalt violet (PV14): Co 3 (PO 4) 2. Manganese pigments. Manganese violet: NH 4 MnP 2 O 7 (PV16) manganic ammonium pyrophosphate. [2] Gold pigments. Purple of Cassius: Gold nanoparticles suspended in tin dioxide - Au x • SnO 2. Arsenic pigments. London purple As 2 O 3. [3]
Quinacridone is an organic compound used as a pigment. Numerous derivatives constitute the quinacridone pigment family, which finds extensive use in industrial colorant applications such as robust outdoor paints, inkjet printer ink, tattoo inks, artists' watercolor paints, and color laser printer toner. As pigments, the quinacridones are insoluble.
The pigment is noteworthy for its vibrant, near-perfect blue color and unusually high NIR reflectance. [1] [2] The color may be adjusted by varying the In/Mn ratio in the pigment's base formula of YIn 1−x Mn x O 3, but the bluest pigment, YIn 0.8 Mn 0.2 O 3, has a color comparable to standard cobalt blue CoAl 2 O 4 pigments. [2]
Medieval manuscripts often used red-orange minium pigment in the letters of the text and for small illustrations, called miniatures. Minium , also known as red lead or red lead oxide, is a bright orange red pigment that was widely used in the Middle Ages for the decoration of manuscripts and for painting.
Pigment Yellow 16 is an organic compound that is classified as a diarylide pigment. Pigment Yellow 16 is used as a yellow colorant, and is classified as an arylide yellow. Also called permanent yellow, its color index number is 20040. [1] The compound is obtained via acetoacetylation of o-tolidine using diketene.
Pigment Violet 29 (C.I. 71129) is an organic compound that is used as a pigment [1] and vat dye. Its colour is dark red purple, or bordeaux. [1] [2] Structurally, it is a derivative of perylene, although it is produced from acenaphthene. It is a less common dye compared to related derivatives such as pigment red 190 (Vat Red 29). [3] [4]
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