Dye|Dye intermediates|Fluorescent Brightener|pigment dye

Name:C.I.Pigment Red 56,C.I.15870

Molecular Structure: Single azo

C.I.Pigment Red 55,C.I.15820,CAS 25310-96-7,416.41,C19H16N2O7S,Permanent Bordeaux R

Molecular Formula:C₁₉H₁₆N₂O₇S

Molecular Weight: 416.41

CAS Registry Number:25310-96-7

Manufacturing Methods : 4-Amino-5-methoxy-2-methylbenzenesulfonic acid diazotization, and 3-Hydroxy-2-naphthoic acid coupling, and then into barium salt.

Properties and Applications:brilliant blue light red.

List of Suppliers:

Permanent Bordeaux R (Aktiengesellschaft für Anilin-Fabrikation)