dye|World dye variety

Name:C.I.Acid Red 442,C.I.18763

Molecular Structure: Single azo,1:2 Cobalt complexes

C.I.Acid Red 442,C.I.18763,292.29/446.41,C17H12N2O3/C20H15N4NaO5S,Ostalan Bordeaux S-RB

Molecular Formula:C₁₇H₁₂N₂O₃/C₂₀H₁₅N₄NaO₅S

Molecular Weight: 292.29/446.41

CAS Registry Number:

Manufacturing Methods : 4-Amino-3-hydroxynaphthalene-1-sulfonic acid diazo, and 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one coupling, a single accidentally nitrogen compounds; 2-Aminobenzoic acid diazo, and Naphthalen-2-ol coupling, another single accidentally nitrogen compounds, and then turn it into 1:2 chromium complex.

Properties and Applications: blue-ray red.

List of Suppliers:

Ostalan Bordeaux S-RB ( SBU Pigments and Dyes )