Dye|Dye intermediates|Fluorescent Brightener|pigment dye

Name:C.I.Pigment Blue 78,C.I.42090:2

Molecular Structure: triarylmethane class

C.I.Pigment Blue 78,C.I.42090:2,CAS 68921-42-6,748.89,C37H36N2O9S3,Brilliant Blue FCF,Blue 1 Alum Lake

Molecular Formula:C₃₇H₃₆N₂O₉S₃

Molecular Weight: 748.89

CAS Registry Number:68921-42-6

Manufacturing Methods : 2-Formylbenzenesulfonic acid and 3-(Ethyl(phenyl)amino)methyl)benzenesulfonic acid condensation, oxidation, and then into aluminum salt.

Properties and Applications:brilliant green light blue. Soluble in water for green blue, soluble in ethanol. In concentrated sulfuric acid for Light amber, dilution for yellow, green and blue to green Light. Pigment solution to join sodium hydroxide in boils into purple. With C.I.Acid Blue 9 and the same chemical structure.

List of Suppliers:

Conalake Brilliant Blue FCF(Proquimac Color)

FD&C Blue 1 Alum Lake ( Spectra Colors Corp. )

Spectra FD&C Blue 1 Alum Lake( Spectra Colors Corp. )