Dye|Dye intermediates|Fluorescent Brightener|pigment dye

Name:C.I.Fluorescent Brightener 251,C.I.406233 Molecular Structure: Stilbenes Molecular Formula:C36H32N12Na4O14S4 Molecular Weight: 1076.93 CAS Registry Number:61968-74-9

Name:C.I.Fluorescent Brightener 245,C.I.40615 Molecular Structure: Stilbenes Molecular Formula:C20H14Cl2N2Na2O6S2 Molecular Weight: 671.41 CAS Registry Number:52205-59-1

Name:C.I.Fluorescent Brightener 243,C.I.40618 Molecular Structure: Stilbenes Molecular Formula:C20H16N10Na2O8S2 Molecular Weight: 634.52 CAS Registry Number:32664-98-5

Name:C.I.Fluorescent Brightener 236,C.I.55135 Molecular Structure: Coumarin,Triazole Molecular Formula:C25H15N3O2 Molecular Weight: 389.41 CAS Registry Number:3333-62-8

Name:C.I.Fluorescent Brightener 234,C.I.406195 Molecular Structure: Stilbenes Molecular Formula:C34H26N8Na2O10S2 Molecular Weight: 816.73 CAS Registry Number:3827-17-6/12768-97-7