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HomeProduct name listSulphon Black RA

Sulphon Black RA

  • CAS NO.:6527-60-2
  • Empirical Formula: C26H20N5NaO6S2
  • Molecular Weight: 585.58
Sulphon Black RA Structural

What is Sulphon Black RA?

Preparation

3-Aminobenzenesulfonic acid diazo, and Naphthalen-1-amine coupling, its product to diazo, coupled with the 8-Aminonaphthalene-1-sulfonic acid .

Properties and Applications

red light black. Moderate soluble in water for violet black, slightly soluble in ethanol for purple. The strong sulfuric acid for green light blue, diluted into a deep red. In water solution to join strong hydrochloric acid deep red precipitate; With strong sodium hydroxide solution for purplish red color.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
AATCC 6 3-4 2 1 1-2

Safety information for Sulphon Black RA

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