Dye|Dye intermediates|Fluorescent Brightener|pigment dye

Name:C.I.Pigment Blue 18,C.I.42770:1

Molecular Structure: triarylmethane

C.I.Pigment Blue 18,C.I.42770:1,CAS 1324-77-2,697.76,C37H28N3NaO6S2

Molecular Formula:C₃₇H₂₈N₃NaO₆S₂

Molecular Weight: 697.76

CAS Registry Number:1324-77-2

Manufacturing Methods :C.I.Solvent Blue 23 (C.I. 42760) two sulfonated and changed into free acid derivatives.

Properties and Applications:brilliant blue to red light navy blue. Soluble in water is blue, soluble in ethanol for green light blue. In concentrated sulfuric acid for the red light brown, dilution for blue, purple and blue light precipitation.

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