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Pigment Red 140

Catalog Number DYE-PIG-0416
Structure
Synonyms Cromophtal Red R
Molecular Weight 785.63
Molecular Formula C42H30Cl2N6O6
Color red
Main Molecular Structure Double azo
Preparation Method 4-Chloro-2-methoxybenzenamine diazotization, and 3-Hydroxy-2-naphthoyl chloride coupling, product (2 Moore) and Benzene-1,4-diamine condensation.

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