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Pigment Orange 3

Catalog Number DYE-PIG-0533
CAS Number 6410-15-7
Structure
Molecular Weight 307.3
Molecular Formula C17H13N3O3
Melting Point 206 ℃ (from acetic acid crystallization in the red brown crystal)
CI Number C.I.12105
Color red orange
Lightfastness Good
Main Molecular Structure Single azo
Oleic Acid General
Preparation Method 2-Methyl-5-nitrobenzenamine diazotization, and Naphthalen-2-ol coupling.
Properties Slightly soluble in ethanol, insoluble in water.
Soap Micelle Bleeding Some bleeding

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