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HomeProduct name listC.I. Acid Blue 68

C.I. Acid Blue 68

  • CAS NO.:8005-74-1
  • Molecular Weight: 0
  • EINECS: 616-871-0

What is C.I. Acid Blue 68?

Preparation

(a) 1,5-Dimethoxyanthracene-9,10-dione?and 1,8-Dimethoxyanthracene-9,10-dione?mixture dinitration, reduction, ethyl products and chemical. In the process of preparing sulphonated medium armor oxygen radicals hydrolysis, then into sodium salt; (b) in the presence of copper, Ethanamine?and 1,5-Dihydroxy-4,8-dibromoanthraquinon?condensation, and then sulphonated; (C)?1,5-Dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2,6-disulfonic acid?and 1,8-Dihydroxy-9,10-anthraquinone-2,6-disulfonic acid?mixture brominated, and then in the presence of copper and Ethanamine?condensation.

Properties and Applications

blue. Slightly soluble in alcohol. The strong sulfuric acid to tan, diluted into a tan, then into purple.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 5-6 3 2-3 2 1 1 3 2-3

Safety information for C.I. Acid Blue 68

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