Direct Violet 66
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.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 1-2 | 2 | 6-7 | 2 | 2 | ||
List of Suppliers:
Direct Fast Violet 4BL,Direct Fast Violet 5BL,Direct Violet D-5BL
ACDI Violet 5BL (Aakash Chemicals & Dyestuffs Inc)
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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)