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Pigment Red 60

Catalog Number DYE-PIG-0460
CAS Number 1325-16-2
Synonyms 1060 Pigment Scarlet, Pigment Scarlet, Pigment Scarlet 3B, Sunbrite Red 60
Molecular Weight 452.42
Molecular Formula C17H12N2O9S2
CI Number C.I.16105:1
Color blue light red.
Main Molecular Structure Single azo
Preparation Method 2-Aminobenzoic acid diazotization, and 3-Hydroxynaphthalene-2,7-disulfonic acid coupling, and then translate into barium salt.
Properties Soluble in water for orange, slightly soluble in ethanol, acetone and Cellosole, insoluble in other organic solvent. In concentrated sulfuric acid for yellow red, dilution have orange precipitation; In concentrated nitric acid for orange solution; In 10% sodium hydroxide solution for orange. Dye aqueous solution to join 10% sodium hydroxide solution for yellow. With C.I.Mordant Red 9 chemical structure of the same(barium salt).

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