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Pigment Yellow 16

Chemical compound From Wikipedia, the free encyclopedia

Pigment Yellow 16
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Pigment Yellow 16 is an organic compound that is classified as a diarylide pigment.

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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]

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