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HomeProduct name listDirect Violet 27

Direct Violet 27

  • CAS NO.:6426-64-8
  • Empirical Formula: C32H24N5NaO11S3
  • Molecular Weight: 773.74
  • Update Date: 2024-12-18 14:15:30
Direct Violet  27 Structural

What is Direct Violet 27?

Preparation

4-(4-Aminophenyl)benzenamine double nitriding, first with 4-Hydroxynaphthalene-2,7-disulfonic acid coupling, and then in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling.

Properties and Applications

purple. Soluble in water for red light purple, and adequate soluble in ethanol for product red. In the strong sulfuric acid as dark blue, diluted for purplish red color. The dye solution to join strong hydrochloric acid for purplish red color, have precipitation; Add thick sodium hydroxide solution for red wine.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 3-4 4-5 2-3 1-2 1-2

Properties of Direct Violet 27

EPA Substance Registry System C.I. Direct Violet 27 (6426-64-8)

Safety information for Direct Violet 27

Computed Descriptors for Direct Violet 27

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