Dye|Dye intermediates|Fluorescent Brightener|pigment dye

Name:C.I.Fluorescent Brightener 264,C.I.406235

Molecular Structure: Stilbenes

C.I.Fluorescent Brightener 264,C.I.406235,CAS 76482-78-5/6897149-3,1369.13,C40H38N12Na6O22S6,Fluorescent Brightener BSU,Blankophor BSU,Rylux BSU

Molecular Formula:C₄₀H₃₈N₁₂Na₆O₂₂S₆

Molecular Weight: 1369.13

CAS Registry Number:76482-78-5 /6897149-3

Manufacturing Methods :1,2-Bis(4-amino-2-sulfophenyl)ethene and 2,4,6-Trichloro-1,3,5-triazine (2 Moore) condensation, again with 2-Aminobenzene-1,4-disulfonic acid (2 Moore) condensation, then and 2-(2-Hydroxyethylamino)ethanol (2 Moore) condensation.

Properties and Applications:blue light. In the acidic reactant arrangement used in polyester/cotton blended fabric. Soluble in water. Direct sex low, to hard water, acid, alkali, insurance powder and peroxide stability, to hypochlorite unstable. Used for cellulose fibre whitening.

List of Suppliers:

Fluorescent Brightener BSU

Blankophor BSU( Bayer Group )

Hakkol REP-L ( Kaseihin Kogyo Kyokai )

Rylux BSU(SBU Pigments and Dyes)