dye|World dye variety

Name:C.I.Solvent Blue 18,C.I.64500

Molecular Structure: anthraquinones

C.I.Solvent Blue 18,C.I.64500,CAS 2475-45-8,268.27,C14H12N4O2,Grasol Blue 2GS,Rosaplast Blue E2G

Molecular Formula:C₁₄H₁₂N₄O₂

Molecular Weight: 268.27

CAS Registry Number:2475-45-8

Manufacturing Methods : (a) 1,5-Diaminoanthraquinone with Oxalic acid acylation, and then in the sulfuric acid of nitration, again hydrolysis and reduction; (b) will be 1,5-Dinitroanthracene-9,10-dione and 1,8-Dinitroanthracene-9,10-dione mixture reduction into the corresponding two amino content, and then acylation, and nitration, reduction and hydrolysis; (C) (b) in accordance with the law, the second nitration in Boric acid and where did the sulfate.

Properties and Applications: blue. Soluble in Acetone, ethanol and Cellosole, slightly soluble in benzene and Flaxseed oil. In concentrated sulfuric acid for brown, dilute solution shallow. Used for alcohol, esters solvent, ethylene and alkyd resin, cellulose ester paint color.

List of Suppliers:

Grasol Blue 2GS ( Geigy Co. Ltd )

Rosaplast Blue E2G( Rose Color Inc. )