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Direct Violet 51

Name:C.I.Direct Violet 51,C.I.27905

Molecular Structure: Double azo class

C.I.Direct Violet 51,C.I.27905,CAS 5489-77-0,719.7,C32H27N5Na2O8S2,Direct Fast Violet BB,Direct Violet BB,Diazol Violet B,Direct Brilliant Fast Violet BB,Direct Fast Violet 2B

C.I.Direct Violet 51,C.I.27905,CAS 5489-77-0,719.7,C32H27N5Na2O8S2,Direct Fast Violet BB,Direct Violet BB,Diazol Violet B,Direct Brilliant Fast Violet BB,Direct Fast Violet 2B

Molecular Formula:C32H27N5Na2O8S2

Molecular Weight: 719.7

CAS Registry Number:5489-77-0

Manufacturing Methods : 2-Amino-3,5-dimethylbenzenesulfonic 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.

Properties and Applications: blue purple. Purple powder. For the red light purple is soluble in water, soluble in soluble fiber element, slightly soluble in ethanol and acetone, insoluble in other organic solvents. The strong sulfuric acid dyes in dark green for blue-ray, diluted into blue; In nitric acid for blue-ray in green, to dark brown. The dye solution to join strong hydrochloric acid into blue, precipitation; Add thick sodium hydroxide solution to purple, have precipitation. 60 ℃ the solubility of 15 when g/L, 97 ℃ the solubility of 25 g when/L, not sensitive to that fights. For blue light purple, dyeing encounter copper, iron ion colored light are a little red. For A class SDC classification. To dead cotton covered the gender is poorer, cotton and glue neutral white are 4 ~ 5 level, cotton white alkaline for 4 ~ 5 level, viscose alkaline white into four grades. Used for cotton, viscose, wool, silk and polyamide fiber dyeing and printing directly. Can also be used for leather, paper, water-based ink color.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 3-4 4 3-4 2 1-2
AATCC 4 4 3-4 2 2

List of Suppliers:

Shandong Qing Shun Chemical Co., Ltd.

ABCOL Fast Helio [B] ( Abbey Color Inc. )

ACDI Light Violet [B](Aakash Chemicals & Dyestuffs Inc)

Anadurm Violet D-BB ( Albion Colours Ltd)

Arid Violet FFB Extra HI-Conc.( Aashiana Dyestuffs Inc )

Arlindone Green IB ( Arlabs Ltd )

Atul Direct Brilliant Fast Helio [B] ( Atul Limited )

Atul Leather Helio ( Atul Limited )

Bitafast Helio B ( Bharat Texdyes Industries )

Carta Violet 3B ( Clariant GmbH )

Concorde Direct Supra Violet BB( I-HWA Industrial Corp )

Cotton Violet BB( ellenic Dyeworks SA )

Diazol Light Violet [B] (Classic Dyestuffs Inc)

Diazol Violet B ( BASF Aktiengesellschaft )

Dinamine Brilliant Fast Helio [B] (Dintex Dyechem Ltd)

Direct Brilliant Fast Violet BB ( Golden Dyes Corpn (India) Pvt Ltd )

Direct Fast Helio B (Amar Impex)

Direct Fast Violet 2B ( PT Polkrik Chemicals Co )

Direct Light Violet 5B ( S A des Ets. Steiner )

Direct Violet 2B( Chemi-Dyestuffs Industries (Pvt) Ltd )

Direct Violet FFB(Classic Dyestuffs Inc)

Direct Violet FFB 300%( Global Colors Inc. )

Dyrect Fast Violet RD( Albion Colours Ltd)

Dyrite Violet FFB 300% ( Rite Industries Inc. )

Enianil Light Violet 2B( Enia Industries Quimicas S.A. )

Fast Helio B ( Liberty Exports Ltd )

Formo Direct Brilliant Violet BB ( Formokem (India) Corp. )

Hariect Fast Violet BB ( Bhavi International Ltd )

Helion Violet 2B(Boruta – Kolor)

Hispaluz Violet FFB ( S A Robama )

Incomine Light Fast Violet BB( Indokem Ltd )

Leadirect Violet FFB( Leadertech Colors Inc. )

Levacell Violet BB( Bayer Group )

Orcolitefast Violet FFB(Classic Dyestuffs Inc)

Orcolitefast Violet FFBL ( Organic Dyestuffs Corp )

Patcovat Supra Jade Green ( BF Goodrich Specialty Chemicals )

Pyrazol Violet 3B ( Clariant GmbH )

Sandal Direct Violet 3B ( Sandal Dyestuff Industries (Pvt) Ltd )

Sirius Supra Violet BB ( Bayer Group )

Solatic Jade Green [X] ( Atul Limited )

Solius Violet 2B( Frado )

Snmilight Violet BB conc.( Sumitomo Chemical Co. Ltd )

Triamin V iolet 2B (Chemische Fabriek Triade BV)

Triasol Green IB (Chemische Fabriek Triade BV)

Vicorect Violet ME(Victory Colour Chem Industries)

Violet MV( Manuel Vilaseca SA )


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