dye|World dye variety

Name:C.I.Direct Blue 39,C.I.30390

Molecular Structure: trisazo class

C.I.Direct Blue 39,C.I.30390,CAS 1324-83-0,1021.9,C41H30N9Na3O13S3,Diamine Steel Blue L

Molecular Formula:C₄₁H₃₀N₉Na₃O₁₃S₃

Molecular Weight: 1021.9

CAS Registry Number:6360-70-9

Manufacturing Methods : 2-Methyl-5-nitrobenzenamine diazo, in acid conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid coupling, 3,3′-Dimethylbenzidine double nitriding, first in alkaline conditions and formation of accidentally coupled nitrogen compounds, again in alkaline conditions and 4-Amino-5-hydroxynaphthalene-1-sulfonic acid coupling.

Properties and Applications: dark green light blue. Soluble in water for a blue-black, and adequate soluble in ethanol is light blue. The strong sulfuric acid for blue-black, diluted for dark purple. The dye solution to join hydrochloric acid have navy precipitation; Add thick sodium hydroxide solution for the navy.

List of Suppliers:

Diamine Steel Blue L( Carbotex Consultants )