Dye|Dye intermediates|Fluorescent Brightener|pigment dye

Name:C.I.Fluorescent Brightener 1,C.I.40630

Molecular Structure: Stilbenes

C.I.Fluorescent Brightener 1,C.I.40630,CAS 15339-39-6,632.55,C20H18N12Na2O6S2,Atul Swetak CR,Dayglo BVN,OWA BVN,Tinopal BV

Molecular Formula:C₂₀H₁₈N₁₂Na₂O₆S₂

Molecular Weight: 632.55

CAS Registry Number:15339-39-6

Manufacturing Methods : first use 2,4,6-Trichloro-1,3,5-triazine(2 Moore) deal with 1,2-Bis(4-amino-2-sulfophenyl)ethene (1 Moore), then and ammonia reaction, its product and Formaldehyde solution with heating, reaction medium is weak alkaline, in 70 ~ 80 ℃ keep 1 ~ 2 hours.

Properties and Applications: brilliant blue. Soluble in water is very shallow yellow. The acid and reducing agent stability; In the absence of salt condition,Good low-temperature exhaust dyeing

List of Suppliers:

Atul Swetak CR ( Atul Limited )

Dayglo BVN( Day-Glo Color Corp. )

Fibrite BVN (Chemiequip Ltd)

Ichowhite WN ( Indian Chemical Industries )

OWA BVN ( Bhavi International Ltd )

Rosewhite BVN ( Golden Dyes Corpn (India) Pvt Ltd )

Tinopal BV ( Geigy Co. Ltd )