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Pigment Red 63:2

Catalog Number DYE-PIG-0456
CAS Number 35355-77-2
Structure
Synonyms Manganese Maroon, Maroon Toner MN, Suimei Bordeaux BB
Molecular Weight 422.41
Molecular Formula C21H14N2O6S
CI Number C.I.15880:2
Color bordeaux.
Lightfastness Good
Main Molecular Structure Single azo
Oleic Acid Well
Preparation Method 2-Aminonaphthalene-1-sulfonic acid diazotization, and 3-Hydroxy-2-naphthoic acid coupling, and then into manganese salt.
Properties Insoluble in water and difficult to soluble in ethanol. In concentrated sulfuric acid for blu-ray scarlet, dilution after brown light scarlet precipitation; In concentrated nitric acid for dark crimson; In concentrated sodium hydroxide solution for brown light red.
Soap Micelle Bleeding Bleeding

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