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HomeProduct name listChromate(3-), bis[2-(hydroxy-κO)-5-[(4-sulfo-1-naphthalenyl)azo]benzoato(3-)-κO]-, trisodium, (T-4)-

Chromate(3-), bis[2-(hydroxy-κO)-5-[(4-sulfo-1-naphthalenyl)azo]benzoato(3-)-κO]-, trisodium, (T-4)-

  • CAS NO.:6421-61-0
  • Empirical Formula: C34H18CrN4NaO12S2(-2)
  • Molecular Weight: 813.64
  • EINECS: 613-508-8
Chromate(3-), bis[2-(hydroxy-κO)-5-[(4-sulfo-1-naphthalenyl)azo]benzoato(3-)-κO]-, trisodium, (T-4)- Structural

What is Chromate(3-), bis[2-(hydroxy-κO)-5-[(4-sulfo-1-naphthalenyl)azo]benzoato(3-)-κO]-, trisodium, (T-4)-?

Preparation

4-Aminonaphthalene-1-sulfonic acid diazo, coupled with 2-Hydroxybenzoic acid?and then translate into chromium complex.

Properties and Applications

red light yellow. Soluble in water for green light yellow, slightly soluble in ethanol for green light yellow. The strong sulfuric acid for product red, diluted into yellow. Its water solution to join strong hydrochloric acid for yellow; Add thick sodium hydroxide solution for yellow light brown.

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

Safety information for Chromate(3-), bis[2-(hydroxy-κO)-5-[(4-sulfo-1-naphthalenyl)azo]benzoato(3-)-κO]-, trisodium, (T-4)-

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