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Direct Red 83

Name:C.I.Direct Red 83,C.I.29225

Molecular Structure: Double azo class

C.I.Direct Red 83,C.I.29225,CAS 15418-16-3,992.77,C33H20N6Na4O17S4,Direct Red D-BL,Direct Fast Rubin BLL,Direct Red 3BL

C.I.Direct Red 83,C.I.29225,CAS 15418-16-3,992.77,C33H20N6Na4O17S4,Direct Red D-BL,Direct Fast Rubin BLL,Direct Red 3BL

Molecular Formula:C33H20N6Na4O17S4

Molecular Weight: 992.77

CAS Registry Number:15418-16-3

Manufacturing Methods :  3-Amino-4-methoxybenzenesulfonic acid (2 Moore) diazo, and N,N’-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea coupling, Then treated with copper sulfate solution containing ammonia, to convert it to a copper complex in the process of complexation, a methoxy group is replaced by a hydroxyl group.

Properties and Applications: Blue and red to red light purple. Soluble in water for product red, soluble in ethanol is shallow purple. The strong sulfuric acid for violet black, diluted red to orange to brown. The dye solution to join strong hydrochloric acid for purplish red color to red sauce, precipitation; Add thick sodium hydroxide solution for wine red, have precipitation.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 3-4 4 7 3 2-3
AATCC 4-5 3-4 6-7 2 3-4

List of Suppliers:

Direct Red D-BL,Direct Fast Rubin BLL

ACDI Fast Rubin 3-BLL (Aakash Chemicals & Dyestuffs Inc)

Dinamine Fast Rubine BL(Dintex Dyechem Ltd)

Direct Fast Rubine 3BLL ( Global Colors Inc. )

Direct Fast Rubine L2A ( Sintofarm SA )

Direct Fast Rubine N-L2A (Colorom SA)

Direct Red (Sinochem Liaoning Import & Export Corporation)

Direct Red 3BL (Classic Dyestuffs Inc)

Direct Rubin Light Fast MU ( Joint Stock Company ‘Coioros’ )

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

Dynarect Rubine GR( Dynamic Industries Ltd )

Dyrite Violet 2RL( Rite Industries Inc. )

Fabrifast Rubine 3BLL ( Fabricolor Inc. )

Fabrifast Rubine BLN( Fabricolor Inc. )

Goldamine Fast Violet 2RLL( Golden Dyes Corpn (India) Pvt Ltd )

Helion Violet 2RLL ( Ciech SA )

Leadirect Fast Red 3BLL 100/150%( Leadertech Colors Inc. )

Orcolitefast Rubine 3BLL ( Organic Dyestuffs Corp )

Pamasol Rubine BBL-83( Pyosa Pigments )

Permalite Bordeaux BLE 100%( Standard Dyes )

Permalite Burgundy FC ( Standard Dyes )

Permalite Red 3BL ( Standard Dyes )

Red D-BL(Hangzhou Dikai Chemical Co Ltd)

Romexal Rubine L2A ( Sintofarm SA )

Rubine BL( Modern Dyestuffs & Pigments Co Ltd )

Sakoton Rubine MU ( Sivashdky Dye Plant )

Solamine Light Rubine 2BLL (CBW Chemie GmbH Bitterfeld-Wolfen)

Solophenyl Bordeaux 3BLE (Classic Dyestuffs Inc)

Superlitefast Red 3BL(Yorkshire Group pic)

Tairus Rubine BLT( T & T Industries Corp )

Tertrodirect Light Violet 2R (Yorkshire Group pic)

Vopsider Rubine DL2A( Sintofarm SA )

Vopsider Rubine N-DL2A(Colorom SA)


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