dye|World dye variety

Name:C.I.Direct Blue 67,C.I.27925

Molecular Structure: Double azo class

C.I.Direct Blue 67,C.I.27925,CAS 3354-97-0,859.75,C34H24N5Na3O12S3,Direct Fast Blue 3RL,Direct Supra Light Fast Blue 3R,ACDI Blue 3R

Molecular Formula:C₃₄H₂₄N₅Na₃O₁₂S₃

Molecular Weight: 859.75

CAS Registry Number:3354-97-0

Manufacturing Methods :  4-Amino-5-(phenylsulfonyloxy)naphthalene-2,7-disulfonic acid diazo, and 2-Amino-4-methylanisole coupling, its product to diazo, in alkaline conditions and 4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid coupling, and then hydrolysis benzene acyl sulfonylurea medications. The dyes can also be made by 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid made directly.

Properties and Applications: red light blue. To black powder. For purple soluble in water, soluble in ethanol for blue, soluble in soluble fiber element for bright blue, insoluble in other organic solvents. The strong sulfuric acid dyes for blue-ray green, diluted into purple, have precipitation; In nitric acid partly dissolved, for olive. Dye with strong hydrochloric acid solution to red light blue; Add thick sodium hydroxide solution to red light purple, have precipitation. Discharge of dyeing copper ions in the green light, meet iron ion reddish light and dark. Used for cotton, viscose of dyeing and printing, also used in cotton, rayon blended fabric dyeing and printing, also used in leather and paper color. Can and disperse dyestuffs high temperature polyester/cotton with bath dyeing blended fabric.

List of Suppliers:

Direct Fast Blue 3RL Tianjin Yadong Group

ACDI Blue 3R 300%(Aakash Chemicals & Dyestuffs Inc)

Atul Direct Supra Light Fast Blue 3R ( Atul Limited )

Dinamine Fast Blue 3R (Dintex Dyechem Ltd)

Dyrect Fast Blue 4RD ( Albion Colours Ltd)

Goldamine Fast Blue 3RL ( Golden Dyes Corpn (India) Pvt Ltd )

Helion Blue 3RL( Ciech SA )

Ostamin Blue UR( SPOLCHEMIE )

Pontamine Fast Blue RRL (Classic Dyestuffs Inc)

Sandal Direct Blue 3RL( Sandal Dyestuff Industries (Pvt) Ltd )

Saturn Blue L3R (SBU Pigments and Dyes)

Simrect Blue 24944 (Simpsons (UK) Ltd)

Solar Brilliant Blue[A]( Clariant GmbH )