Dye|Dye intermediates|Fluorescent Brightener|pigment dye

Name:C.I.Fluorescent Brightener 31

Molecular Structure: Stilbenes

C.I.Fluorescent Brightener 31,941.73,C36H32Cl2N12Na2O8S2,Uvitex RSW,Fluorescent Brightener JD-3

Molecular Formula:C₃₆H₃₂Cl₂N₁₂Na₂O₈S₂

Molecular Weight: 941.73

CAS Registry Number:

Manufacturing Methods : 2,4,6-Trichloro-1,3,5-triazine (2 Moore) and 1,2-Bis(4-amino-2-sulfophenyl)ethene (1 Moore) first condensation, then in 30 ℃ and o-Chloroaniline second condensation, its product again in 105 ~ 110 ℃ and 2-Aminoethanol (2 Moore) third condensation.

Properties and Applications:in neutral dye bath dyeing cotton, protein fiber and nylon blended fabric. Chlorine bleaching fastness.

List of Suppliers:

Fluorescent Brightener JD-3

Anyang Yingdi Chemical Co., Ltd.

Nantong Lisi Organic Chemicals Co.,Ltd.(Nangtong Lisi Chemical Auxiliaries Co.,Ltd)

Uvitex RSW( Ciba Specialty Chemicals Inc )