dye|World dye variety

Name:C.I.Direct Blue 78,C.I.34200

Molecular Structure: trisazo class

C.I.Direct Blue 78,C.I.34200,CAS 2503-73-3,1055.91,C42H25N7Na4O13S4,Direct Fast Blue 4GL,Direct Fast Blue G,Direct Sky Blue,Sirius Blue GN,Solophenyl Blue 4GL

Molecular Formula:C₄₂H₂₅N₇Na₄O₁₃S₄

Molecular Weight: 1055.91

CAS Registry Number:2503-73-3

Manufacturing Methods : 2-Aminobenzene-1,4-disulfonic acid diazo, and 8-Aminonaphthalene-2-sulfonic acid first coupling, its product to diazo, and Naphthalen-1-amine second coupling, again diazo, in alkaline conditions and 4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid third coupling.

Properties and Applications: blue. Soluble in water for blue, solubility of 15 g/L (60 ℃), 30 g/L (97 ℃), soluble in soluble fiber element, slightly soluble in alcohol, insoluble in other organic solvents. The strong sulfuric acid in Red sauce for galleries to, diluted Red sauce for; In the light of nitric acid for palm gray. The dye solution to join strong hydrochloric acid for red light blue; Add thick sodium hydroxide solution for red light purple. Water-soluble good, colored light to blue. Dye in bath of copper, iron ion colored light basic unchanged. SDC classification for class B. Neutral white is very good, alkaline white. Mainly used for cotton or viscose dyeing and printing directly, and disperse dyestuffs with bath dyeing polyester/cotton blended fabric. Can also be used for paper, leather and biological dyeing.

List of Suppliers:

Tianjin Yadong Group

ACDI Fast Blue 4-GL 150% (Aakash Chemicals & Dyestuffs Inc)

Atul Direct Light Fast Blue 4G( Atul Limited )

Atul Leather Fast Blue D4GL( Atul Limited )

Blue G ( ellenic Dyeworks SA )

Burco Direct Fast Blue 4GL (Classic Dyestuffs Inc)

Dinamine Fast Blue 4GH (Dintex Dyechem Ltd)

Direct Blue 4GLD (Classic Dyestuffs Inc)

Direct Blue 4GLL ( Indo Colchem Ltd )

Direct Fast Blue 4GL ( Global Colors Inc. )

Direct Fast Sky Blue G(Sinochem Ningbo Imp & Exp Corp)

Direct Fast Turquoise Blue G(Fenchem Enterprises Ltd)

direct Light Blue 4JS ( S A des Ets. Steiner )

Direct Sky Blue [G] (Shandong Qing Shun Chemical Co., Ltd.)

Dyrect Fast Blue 4GLD ( Albion Colours Ltd)

Dyrite Blue 4GL 150%( Rite Industries Inc. )

Fast Blue G (Sinochem Liaoning Import & Export Corporation)

Helion Blue [G]( Ciech SA )

Hispaluz Blue 4GL( S A Robama )

Intralite Blue 4GL(Yorkshire Group pic)

Intralite Blue 4GL 237% (Classic Dyestuffs Inc)

Intralite Blue 4GL New(Classic Dyestuffs Inc)

Leadirect Blue 4GL( Leadertech Colors Inc. )

Orcolitefast Blue 4GL-C.F.MF( Organic Dyestuffs Corp )

Orcolitefast Blue 4GLS ( Organic Dyestuffs Corp )

Permalite Blue 4GL 100%( Standard Dyes )

Sandal Direct Blue G ( Sandal Dyestuff Industries (Pvt) Ltd )

Saturn Blue L4G(SBU Pigments and Dyes)

Sella Fast Blue 4G L( TFL Leather Technology Ltd )

Sirius Blue GN( DyStar GmbH & Co Deutschland KG )

Sirius Supra Blue G ( Bayer Group )

Solamine Light Blue G (CBW Chemie GmbH Bitterfeld-Wolfen)

Solar Blue 3G ( Clariant GmbH )

Solius Light Blue G( Frado )

Solophenyl Blue 4GL( Ciba Specialty Chemicals Inc )