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HomeProduct name listAcid Blue 142

Acid Blue 142

  • CAS NO.:61723-94-2
  • Empirical Formula: C47H39N2NaO6S2
  • Molecular Weight: 814.95

What is Acid Blue 142?

Preparation

4-Formylbenzene-1,3-disulfonic acid (1 Moore) and N,N-dibenzylbenzenamine (2 Moore) condensation, and oxidation.

Properties and Applications

green light blue. Red light blue powder. The strong sulfuric acid for yellow brown colloidal, diluted into lake green, accompanied by precipitation; In nitric acid for old yellow glue shape. Water solution is blue lake, add a little precipitation hydrochloric acid, sodium hydroxide slightly to become yellow, and the precipitation. Used for wool, silk and fabric dyeing and printing, also can be used for leather dyeing.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 2 4 4-5 5 1-2 4-5

Safety information for Acid Blue 142

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