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HomeProduct name listAcid Red 442

Acid Red 442

  • Molecular Weight: 0

What is Acid Red 442?

Preparation

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.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 6-7 4 3-4 Alkali4-5 4 2

Safety information for Acid Red 442

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