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Acid Violet 7

Name:C.I.Acid Violet 7,C.I.18055

Molecular Structure: Single azo class

C.I.Acid Violet 7,C.I.18055,CAS 4321-69-1,566.47,C20H16N4Na2O9S2,Acid Red 6B,Acid Violet 6B,Acid Fast Red E 6B,Acid Fuchsine 6B

C.I.Acid Violet 7,C.I.18055,CAS 4321-69-1,566.47,C20H16N4Na2O9S2,Acid Red 6B,Acid Violet 6B,Acid Fast Red E 6B,Acid Fuchsine 6B

Molecular Formula:C20H16N4Na2O9S2

Molecular Weight: 566.47

CAS Registry Number:4321-69-1

Manufacturing Methods : N-(4-aminophenyl)acetamide diazo, and 4-Acetamido-5-hydroxynaphthalene-2,7-disulfonic acid coupling.

Properties and Applications:  red light purple. Deep red powder. Soluble in water is blue light red to red. Slightly soluble in ethanol, acetone and soluble fiber element, insoluble in other organic solvents. Meet strong sulfuric acid is blue light red, diluted is bright red; Meet nitric acid solution for scarlet to orange. Its solution and strong hydrochloric acid is product red; Add sodium hydroxide solution is orange brown. Dyeing copper and iron ion in its colour and lustre the former micro blue dark, the latter slightly shallow, encounter chromium ion little influence. Good levelness. Used for wool, silk, polyamide fiber and leather, paper, soap, wood, medicine and cosmetics of dyeing, can also be used for the biological dyeing.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 4 2 4 2-3 1 4 2 2
AATCC 4 2 2 1 1 1 2 2

List of Suppliers:

Acid Red 6B,Acid Violet 6B

Tianjin Yadong Group

Hangzhou Xiasha Hengsheng (Sunshine) Chemicals Co.,Ltd.

Acetyl Red 6B ( S A des Ets. Steiner )

Acid Fast Red E 6B(Boruta – Kolor)

Acid Fuchsine 6B ( Global Colors Inc. )

Acid Geranine 6B ( Colour Industries )

Acid Geranine 6B ( Golden Dyes Corpn (India) Pvt Ltd )

Acid Geranine 6B ( National Dyechem Industries )

Acid Geranine 6B (Amar Impex)

Acid Geranine 6B ( Jagson Colorchem Ltd )

Acid Magenta 6B (Sinochem Hebei Imp & Exp Corp)

Acid Naftol Red 6B ( Multicrom SA )

Acid Naphthol Red 6B (Sinochem Tianjin Imp Exp Corp)

Acid Red 6B (Sinochem Ningbo Imp & Exp Corp)

Acid Red 6B (Brighten Colorchem BV)

Acid Red 6B ( Dandong Jinlong Dyestuff Chemical Co Ltd )

Acid Rose 6BL( KCA Ltd )

Akacid Fuchsine 6B 200% (Aakash Chemicals & Dyestuffs Inc)

Amido Naphthol Red 6B( ellenic Dyeworks SA )

Amido Naphthol Red 6B( Frado )

Atlantic Acid Fuchsine 6B (Yorkshire Group pic)

Atul Acid Geranine 6B ( Atul Limited )

Bemacid Rubine 6B ( Berncolors-Poughkeepsie Inc )

Bitacid Azo Geranine 6B( Bharat Texdyes Industries )

Brilliant Acid Red 6A(Colorom SA)

Classic Acid Violet 7(Classic Dyestuffs Inc)

Colocid Gemine 6B( Color Synth Industries Ltd )

Conacid Violet L(Concord Commerce Company)

Dinacid Geramine 6B (Dintex Dyechem Ltd)

Dycosacid Red 6B (Sinochem Shanghai I/E Corp/Schecho PuDong Corporation)

Eniacid Light Red 6B ( Enia Industries Quimicas S.A. )

Fabracid Fuchsine S-6B 150%( Fabricolor Inc. )

Geramine 6B ( Sharda International )

Haricid Geranine 6B ( Bhavi International Ltd )

Hispacid Carmoisine 6B ( S A Robama )

Hispacid Fast Carmoisine 6B ( S A Robama )

Indacid Geramine 6B ( Indokem Ltd )

Intracid Fuschine 6B 100% (Classic Dyestuffs Inc)

Intracid Fuschine 6B 150% (Classic Dyestuffs Inc)

Kemacid Geramine 6B ( Karsandas Mavji )

Leadacid Fuchsine 6B 150%( Leadertech Colors Inc. )

Multacid Red 6B ( Multicrom SA )

Multicuer Red 6B( Multicrom SA )

Naphthol Red 6B (Sinochem Liaoning Import & Export Corporation)

Orco Acid Fuschine 6B (Classic Dyestuffs Inc)

Orco Nylosol Red BR ( Organic Dyestuffs Corp )

Orcoacid Fuschine 6B Ex. Conc.( Organic Dyestuffs Corp )

Pacid Red 6B ( Pidilite Industries Ltd. )

Permalon Fuschine 6B 200% ( Standard Dyes )

Ricoamide Fuchsine 6B 150% ( Rite Industries Inc. )

Sandal Acid Violet N ( Sandal Dyestuff Industries (Pvt) Ltd )

Sandolan Rhodine E-6B( Clariant GmbH )

Simacid Fuchsin(Simpsons (UK) Ltd)

Sipocet Red 6B(SIPO Srl)


One Response to “Acid Violet 7”

  1. […] strong hydrochloric acid for product red; Add thick sodium hydroxide solution for orange brown. And C. I.Acid violet 7 and the same chemical […]

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