Pigment Yellow 16
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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} | |
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ECHA InfoCard | 100.025.258 ![]() |
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Properties | |
Chemical formula | 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). Infobox references |
Chemical compound
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]