Dye|Dye intermediates|Fluorescent Brightener|pigment dye

Name:C.I.Pigment Red 143

Molecular Structure: Double azo

C.I.Pigment Red 143,CAS 211502-17-9,725.58,C40H26Cl2N6O4,Cromophtal Scarlet 3R

Molecular Formula:C₄₀H₂₆Cl₂N₆O₄

Molecular Weight: 725.58

CAS Registry Number:211502-17-9

Manufacturing Methods :M-chloroaniline diazotization, and 3-Hydroxy-2-naphthoyl chloride coupling, product (2 Moore) and Benzene-1,4-diamine condensation.

Properties and Applications:red.

List of Suppliers:

Cromophtal Scarlet 3R (Ciba Specialty Chemicals Inc)