dye|World dye variety

Name:C.I.Direct Blue 25,C.I.23790

Molecular Structure: Double azo class

C.I.Direct Blue 25,C.I.23790,CAS 2150-54-1,962.78,C34H22N4Na4O16S4,Direct Blue 5B,Direct Brilliant Blue 5BC

Molecular Formula:C₃₄H₂₂N₄Na₄O₁₆S₄

Molecular Weight: 962.78

CAS Registry Number:2150-54-1

Manufacturing Methods : 3,3′-Dimethylbenzidine double nitriding, and 4,5-Dihydroxynaphthalene-2,7-disulfonic acid (2 Moore) coupled.

Properties and Applications: blue. Soluble in water for blue, insoluble in other organic solvents. The strong sulfuric acid for green light blue, diluted into red light blue and purple; In nitric acid solution for red, and then into a yellow light brown. The dye solution to join strong hydrochloric acid for red light blue; Add thick sodium hydroxide solution for black and blue. Used for cellulose fiber dyeing and printing of, also used for paper color.

List of Suppliers:

ACDI Blue 5B 200%(Aakash Chemicals & Dyestuffs Inc)

Classic Direct Blue 25 100%(Classic Dyestuffs Inc)

Classic Direct Blue 25 200%(Classic Dyestuffs Inc)

Direct Blue 5B (Classic Dyestuffs Inc)

Direct Blue 5B Cone. ( Global Colors Inc. )

Direct Brilliant Blue 5BC (Chemische Fabriek Triade BV)

Direct Brilliant Blue 5BC (Yorkshire Group pic)

Direct New Blue 5B( S A des Ets. Steiner )

Dyrite Blue 5B 200% ( Rite Industries Inc. )

Fabramine Blue 5BC Cone. ( Fabricolor Inc. )

Leadirect Brilliant Blue 5BC Cone. ( Leadertech Colors Inc. )

Melodye Brill Blue 5B(Classic Dyestuffs Inc)

MVdirect Blue 5B ( MV Products Inc. )

Orcomine Blue SB Cone.( Organic Dyestuffs Corp )

Pergasol Brill Blue 5B (Classic Dyestuffs Inc)

Permalite Blue 5BC( Standard Dyes )

Prodirect Brill Blue 5BC Conc(Classic Dyestuffs Inc)