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C.I. Direct Brown 46

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C.I. Direct Brown 46 Basic information
Product Name:C.I. Direct Brown 46
Synonyms:C.I. Direct Brown 46;Direct Brown 46;C.I.Direct Brown 46:C.I.31785
CAS:8003-51-8
MF:C39H27N7O10S2.3Na
MW:886.79
EINECS:
Product Categories:
Mol File:Mol File
C.I. Direct Brown 46 Structure
C.I. Direct Brown 46 Chemical Properties
EPA Substance Registry SystemC.I. Direct Brown 46 (8003-51-8)
Safety Information
MSDS Information
C.I. Direct Brown 46 Usage And Synthesis
Preparation4-(4-Aminophenyl)benzenamine double nitriding, first coupled with 2-Hydroxybenzoic acid, again with 5-Aminonaphthalene-2-sulfonic acid and 8-Aminonaphthalene-2-sulfonic acid coupling, its product to diazo, in alkaline conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid?coupling.
Properties and Applicationsdark brown olive green light. Soluble in water for palm light olive, soluble in ethanol. The strong sulfuric acid in the navy for, for the shallow olive gray after diluted. The dye solution to join strong hydrochloric acid have Gray light purple precipitation; Add thick sodium hydroxide solution have orange brown precipitation.
Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 3-4 3 2-3 2-3 2-3
Tag:C.I. Direct Brown 46(8003-51-8) Related Product Information
Direct Brown 44:1 DIRECT BROWN 44 trisodium 5-[[4'-[[8-[(2,4-diaminophenyl)azo]-1-hydroxy-3,6-disulphonato-2-naphthyl]azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]salicylate sodium 4-[[diamino(naphthylazo)phenyl]azo]naphthalene-1-sulphonate 5-[[4'-[[8-[(2,4-Diaminophenyl)azo]-1-hydroxy-3,6-disulfo-2-naphtyl]azo]-1,1'-biphenyl-4-yl]azo]-2-hydroxybenzoic acid trisodium salt DIRECT BROWN 39 2-Hydroxy-5-[[4'-[[2,6-dihydroxy-3-[(3-sulfophenyl)azo]phenyl]azo]-1,1'-biphenyl-4-yl]azo]benzoic acid disodium salt 5-[[2,4-Diamino-5-[(8-hydroxy-6-sodiosulfo-2-naphthalenyl)azo]phenyl]azo]-4-hydroxy-3-[[4'-[(4-hydroxyphenyl)azo][1,1'-biphenyl]-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt