Dye|Dye intermediates|Fluorescent Brightener|pigment dye

Name:C.I.Pigment Red 133,C.I.15920

Molecular Structure: Double azo

C.I.Pigment Red 133,C.I.15920,CAS 5280-67-1,622.03,C25H20ClN3O10S2,PV-Red BL

Molecular Formula:C₂₅H₂₀ClN₃O₁₀S₂

Molecular Weight: 622.03

CAS Registry Number:5280-67-1

Manufacturing Methods :2-Aminobenzene-1,4-disulfonic acid diazotization, and 3-Hydroxy-5′-chloro-2′,4′-dimethoxy-2-naphthanilide coupling, and then translate into barium salt.

Properties and Applications: blue light red.

List of Suppliers:

PV-Red BL(Hoechst A G)