Dye|Dye intermediates|Fluorescent Brightener|pigment dye

Name:C.I.Fluorescent Brightener 34,C.I.40605

Molecular Structure: Stilbenes

C.I.Fluorescent Brightener 34,C.I.40605,CAS 6416-25-7,742.68,C32H28N2Na2O12S2,Pontamine White 2GT

Molecular Formula:C₃₂H₂₈N₂Na₂O₁₂S₂

Molecular Weight: 742.68

CAS Registry Number:6416-25-7

Manufacturing Methods :in 110 ~ 130 ℃ will be 1,2-Bis(4-amino-2-sulfophenyl)ethene (1 Moore) and 2,4-Dimethoxybenzoic acid (2 Moore) in Phosphorus oxychloride and quaternary ammonium under the existence of reaction, have without solvent all can.

Properties and Applications:blue. Soluble in water is pure blue fluorescence. In neutral or weak acid dye bath used in cotton, protein fiber and nylon. Chlorine bleaching fastness medium.

List of Suppliers:

Pontamine White 2GT(du Pont E.I. de Nemours & Co. Inc.)