Dye|Dye intermediates|Fluorescent Brightener|pigment dye

Name:C.I.Fluorescent Brightener 40,C.I.40647

Molecular Structure: Stilbenes,Naphthalene-triazole

C.I.Fluorescent Brightener 40,C.I.40647,CAS 7426-67-7,922.76,C34H18N6Na4O12S4,Blankophor G

Molecular Formula:C₃₄H₁₈N₆Na₄O₁₂S₄

Molecular Weight: 922.76

CAS Registry Number:7426-67-7

Manufacturing Methods : 1,2-Bis(4-amino-2-sulfophenyl)ethene double nitrogen, and 6-Aminonaphthalene-1-sulfonic acid (2 Moore) coupling, then use Nitrous acid oxidation.

Properties and Applications:blue. In neutral or weak acid dye bath used in cotton, protein fiber, vinegar and nylon fiber, and can also be used to discharge adhesive. The insurance powder and peroxide stability.

List of Suppliers:

Blankophor G(Bayer Group)