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Direct Violet 47

Name:C.I.Direct Violet 47,C.I.25410

Molecular Structure: Double azo class

C.I.Direct Violet 47,C.I.25410,CAS 13011-70-6,972.96,C33H36N10O17S4,Direct Red Violet RLL,Direct Red Violet 3LB,Red Violet RL

C.I.Direct Violet 47,C.I.25410,CAS 13011-70-6,972.96,C33H36N10O17S4,Direct Red Violet RLL,Direct Red Violet 3LB,Red Violet RL

Molecular Formula:C33H36N10O17S4

Molecular Weight: 972.96

CAS Registry Number:13011-70-6

Manufacturing Methods : 5-Amino-4-methoxy-2-nitrobenzenesulfonic acid diazo, and 6-Hydroxynaphthalene-2-sulfonic acid coupling, And then reducing the nitro group of the monoazo dye is amino, then the phosgenation, and the final joint boiling copper sulfate solution, isolating be converted to the ammonium salt. In the course of two copper complex may be converted to hydroxy methoxy.

Properties and Applications: red light purple. Brown powder. Soluble in water for red light purple, soluble in ethanol. The strong sulfuric acid dyes for product red, diluted into a red light brown. The dye solution with strong hydrochloric acid into wine red, have precipitation; Join sulfuric acid 10% after the same colour and lustre; Sodium hydroxide solution to dilute the same colour and lustre; Add thick sodium hydroxide solution to red, precipitation. In dyeing of copper (dark colored light yellow in color iron ion is yellow. Used for cotton, viscose, silk dyeing, can be in directly on the cotton fabric printing, also used for paper, leather and soap color.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 3-4 5 7-8 2 2-3
AATCC 2-3 4 7 2 2

List of Suppliers:

ABCOL Violet 3BL ( Abbey Color Inc. )

Burco Direct Red Violet RLL Conc (Classic Dyestuffs Inc)

Burcosol Violet GC (Classic Dyestuffs Inc)

Direct Red Violet 3LB (Classic Dyestuffs Inc)

Direct Red Violet 3LB 200%( Global Colors Inc. )

Lumicrease Red Violet 3LB 92%(Classic Dyestuffs Inc)

Permalite Red Violet 3LB 92% ( Standard Dyes )

Sirius Supra Red Violet R-LL ( Bayer Group )

Solar Rubinole 3LB( Clariant GmbH )

Triamin Red Violet RL(Chemische Fabriek Triade BV)


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