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Names | |
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Systematic IUPAC name
N,N′-(3,3′-Dimethyl[1,1′-biphenyl]-4,4′-diyl)bis{4-[(E)-(2,4-dichlorophenyl)diazenyl]-3-oxobutanamide} | |
Identifiers | |
3D model (JSmol)
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ChemSpider | |
ECHA InfoCard | 100.025.258 |
EC Number |
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PubChem CID
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UNII | |
CompTox Dashboard (EPA)
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Properties | |
C34H28Cl4N6O4 | |
Molar mass | 726.44 g·mol−1 |
Appearance | Yellow solid |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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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. The resulting bisacetoacetylated compound is coupled with two equiv of the diazonium salt obtained from 2,4-dichloroaniline.[2]
References
- ^ "The Color of Art Pigment Database: Pigment Yellow, PY". Art is Creation.
- ^ K. Hunger. W. Herbst "Pigments, Organic" in Ullmann's Encyclopedia of Industrial Chemistry, Wiley-VCH, Weinheim, 2012. doi:10.1002/14356007.a20_371