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Direct Blue 278

Name:C.I.Direct Blue 278,C.I.354561

Molecular Structure: Multi-azo class

C.I.Direct Blue 278,C.I.354561,1358.15,C52H32N11Na5O17S5

C.I.Direct Blue 278,C.I.354561,1358.15,C52H32N11Na5O17S5

Molecular Formula:C52H32N11Na5O17S5

Molecular Weight: 1358.15

CAS Registry Number:

Manufacturing Methods :  5-Amino-2-(4-aminophenylamino)benzenesulfonic acid double nitriding, and 5-Aminonaphthalene-2-sulfonic acid (2 Moore) coupled, then double nitriding, and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid (2 Moore) coupled.

Properties and Applications: mainly used for paper shading.

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