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Pigment Brown 42

Catalog Number DYE-PIG-0262
Structure
Molecular Weight 1029.1
Molecular Formula C58H56N6O12
Application Mainly used in PVC, PO color.
CI Number C.I. 200552
Main Molecular Structure Double azo
Preparation Method Diisopropyl 2-aminoterephthalate diazotization, and 3-Hydroxy-2-naphthoic acid coupling, in 1, 2-Dichlorobenzene Thionyl chloride and condensation chloride compound, again with 2,5-Dimethylbenzene-1,4-diamine in 1, 2-Dichlorobenzene of condensation.

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