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Pigment Brown 1

Catalog Number DYE-PIG-0272
CAS Number 6410-40-8
Structure
Synonyms Microdis Brown MGR, Viscofil Brown GRL
Molecular Weight 496.34
Molecular Formula C25H19Cl2N3O4
CI Number C.I.12480
Color red light brown.
Lightfastness Excellent
Main Molecular Structure Single azo
Oleic Acid Poor
Preparation Method 2,5-Dichlorobenzenamine diazotization, and N-(2,5-dimethoxyphenyl)-3-hydroxy-2-naphthamide coupling.
Soap Micelle Bleeding No

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