dye|World dye variety

Name:C.I.Direct Violet 66,C.I.29120

Molecular Structure: Double azo class

C.I.Direct Violet 66,C.I.29120,CAS 6798-03-4,903.81,C32H23N7Na2O14S4,Direct Fast Violet 4BL,Direct Fast Violet 5BL,Direct Violet D-5BL,Solophenyl Violet 4BLE

Molecular Formula:C₃₂H₂₃N₇Na₂O₁₄S₄

Molecular Weight: 903.81

CAS Registry Number:6798-03-4

Manufacturing Methods : 3-Amino-4-hydroxybenzenesulfonamide (2 Moore) diazo, and Bis(4-hydroxy-2-sulfonaphthalene-7-yl)amine coupling, and then into a double copper complex.

Properties and Applications: purple. Soluble in water for red light purple. The strong sulfuric acid for blue, purple for red after diluted. The dye solution to join 10% hydrochloric acid has the purple precipitation; Add 10% sodium hydroxide solution for blue purple.

List of Suppliers:

Direct Fast Violet 4BL,Direct Fast Violet 5BL,Direct Violet D-5BL

Tianjin Yadong Group

ACDI Violet 5BL (Aakash Chemicals & Dyestuffs Inc)

Best Direct Supra Violet 5BL( Oriental Giant Dyes and Chemical Ind Corp )

Concorde Direct Supra Violet 5BL ( I-HWA Industrial Corp )

Direct Fast Violet L5A (Colorom SA)

Direct V iolet(Sinochem Liaoning Import & Export Corporation)

Direct Violet 5BL( Global Colors Inc. )

Direct Violet 5BL(Shandong Qing Shun Chemical Co., Ltd.)

Direct Violet 5BLL (Classic Dyestuffs Inc)

Doramin Light Violet 5B 250% ( D&G Dyes Inc. )

Dyrect Fast Violet BLD ( Albion Colours Ltd)

Dyrite Violet 5BL ( Rite Industries Inc. )

Formo Direct Violet FDV( Formokem (India) Corp. )

Indosol Violet SF-B ( Clariant GmbH )

Intralite Fast Violet 5BLL (Yorkshire Group pic)

Intralite Fast Violet 5BLL (Classic Dyestuffs Inc)

Kayarus Supra Violet 5BL(Nippon Kayak u Co Ltd)

Leadirect Fast Violet 5BLL( Leadertech Colors Inc. )

MVdirect Violet 5BL ( MV Products Inc. )

Orcolitefast Violet 5BLL ( Organic Dyestuffs Corp )

Permalite Fast Violet 5BLL( Standard Dyes )

Saturn Violet L4B (SBU Pigments and Dyes)

Solamel Violet 4BLE 250%(Classic Dyestuffs Inc)

Solophenyl Violet 4BLE( Ciba Specialty Chemicals Inc )

Tertrodirect Light Violet 5B (Yorkshire Group pic)

Triamin Violet 5BLL(Chemische Fabriek Triade BV)

Vopsider VioletDL5A(Colorom SA)