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Pigment Orange 6

Catalog Number DYE-PIG-0531
CAS Number 6407-77-8
Structure
Molecular Weight 337.33
Molecular Formula C17H15N5O3
Appearance Deep red orange powder
Application Dye ethanol solution to join hydrochloric acid is red; Add sodium hydroxide don't change color
CI Number C.I.12730
Color dark red light orange
Lightfastness Well
Main Molecular Structure Single azo
Oleic Acid Poor
Preparation Method 4-Methyl-2-nitrobenzenamine diazotization, and 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one coupling.
Properties Soluble in hot ethanol for yellow orange. In concentrated sulfuric acid for cherry red, orange precipitation after dilution
Soap Micelle Bleeding No

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