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Acid Blue 68

Name:C.I.Acid Blue 68,C.I.63330

Molecular Structure: anthraquinones

C.I.Acid Blue 68,C.I.63330,CAS 8005-74-1,530.44,C18H16N2Na2O10S2,Alizarine Direct Blue EB

C.I.Acid Blue 68,C.I.63330,CAS 8005-74-1,530.44,C18H16N2Na2O10S2,Alizarine Direct Blue EB

Molecular Formula:C18H16N2Na2O10S2

Molecular Weight: 530.44

CAS Registry Number:8005-74-1

Manufacturing Methods : (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

List of Suppliers:

Alizarine Direct Blue EB( Farbwerke vorm. Meister Lucius &Brtining )


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