Fluorescent Brightener 9
Name:C.I.Fluorescent Brightener 9,C.I.40621
Molecular Structure: Stilbenes

C.I.Fluorescent Brightener 9,C.I.40621,CAS 133-66-4,936.93,C44H34N12Na2O6S2,Fluorescent Brightene JD-4,Fluorescent Brightene TAS,Calcofluor White MR,Rylux PP
Molecular Formula:C44H34N12Na2O6S2
Molecular Weight: 936.93
CAS Registry Number:133-66-4
Manufacturing Methods : 1,2-Bis(4-amino-2-sulfophenyl)ethene (1 Moore), 2,4,6-Trichloro-1,3,5-triazine (2 Moore) and aniline (4 Moore) with condensation.
Properties and Applications:blue. Chlorine oxygen bleaching poor fastness.
Acid-proof | Alkali-proof | Chlorine bleaching | Sodium hyposulfite | Light Fastness | Oxygen bleaching | Soaping |
Poor |
List of Suppliers:
Fluorescent Brightene JD-4,Fluorescent Brightene TAS
Calcofluor White MR(Columbian Chemicals UK)
Heliofor DP-WS( Ciech SA )
Mikephor TA ( Mitsui Toatsu Chemicals Ltd )
Rylux PP (SBU Pigments and Dyes)