Dye|Dye intermediates|Fluorescent Brightener|pigment dye

Name:C.I.Fluorescent Brightener 220,C.I.40623

Molecular Structure: Stilbenes

C.I.Fluorescent Brightener 220,C.I.40623,CAS 16470-24-9/49549-42-5,1165.04,C40H40N12Na4O16S4,Fluorescent Brightener BBU,Fluorescent Brightener HS,Fluorescent Brightener NT-3

Molecular Formula:C₄₀H₄₀N₁₂Na₄O₁₆S₄

Molecular Weight: 1165.04

CAS Registry Number:16470-24-9/49549-42-5

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

Properties and Applications:blue light. And water softening with arbitrary proportion miscibility, the acid-base stability. Used in paper, can be used as adhesive coating components, colored coating components or join in pulp beater. Can be used for cellulose fiber whitening.

List of Suppliers:

Fluorescent Brightener BBU,Fluorescent Brightener HS,Fluorescent Brightener NT-3

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

Jinhua Best Industrial Chemicals Dyes Co., Ltd.

Blankophor BBU ( Bayer Group )

Dycosfluor Whiter HS (Sinochem Shanghai I/E Corp/Schecho PuDong Corporation)

Fluolite PS ( Imperial Chemical Industries )

Fluorescent Whitening Agent BBU(Hangzhou Dikai Chemical Co Ltd)

Fluorescent Whitening Agent BBU 100%(Hangzhou Dikai Chemical Co Ltd)

Optical Brightener BBU (Fenchem Enterprises Ltd)

Optilux 2B ( Chrochem AG )

Photine PCP( S A Robama )

Rylux SDE (SBU Pigments and Dyes)

Ultrawhite PBU (Chekemcolour Ltd)

Viophos BPU(Viochrom SA)