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Direct blue 9 (C.I. 24155)

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Direct blue 9 (C.I. 24155) Basic information
Product Name:Direct blue 9 (C.I. 24155)
Synonyms:Direct blue 9 (C.I. 24155);3-Hydroxy-4-[[4'-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-3,3'-dimethoxy-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid trisodium salt;C.I.24155;C.I.Direct Blue 9;Direct Blue 9;C.I.Direct Blue 9:C.I.24155
CAS:6428-98-4
MF:C34H27N4NaO13S3
MW:818.77
EINECS:
Product Categories:
Mol File:6428-98-4.mol
Direct blue 9 (C.I. 24155) Structure
Direct blue 9 (C.I. 24155) Chemical Properties
Safety Information
MSDS Information
Direct blue 9 (C.I. 24155) Usage And Synthesis
Preparation3,3′-Dimethoxylbenzidine double nitriding, first and 3-Hydroxynaphthalene-2,7-disulfonic acid coupled , and then 4-Hydroxynaphthalene-1-sulfonic acid coupling.
Properties and Applicationsblue. Soluble in water, soluble in alcohol. The strong sulfuric acid for blue, blue after diluted precipitation. The dye water solution is blue, to join the hydrochloric acid have precipitation of dark; Add sodium hydroxide solution for purplish red color.
Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 3-4 4 2 1-2 2
Direct blue 9 (C.I. 24155) Preparation Products And Raw materials
Raw materialsDisodium 2-naphthol-3,6-disulfonate-->1-Naphthol-4-sulfonic acid-->o-Dianisidine
Tag:Direct blue 9 (C.I. 24155)(6428-98-4) Related Product Information
Direct Blue 86 SIRIUS SUPRA BLUE trisodium [29H,31H-phthalocyaninetrisulphonato(5-)-N29,N30,N31,N32]cuprate(3-) DIRECT BLUE 90 DIRECT BLUE 80 C.I. Direct Blue 85 Direct blue 83 (C.I. 34230) Direct Blue 82 tetrasodium [mu-[[3,3'-[(3,3'-dihydroxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[4,5-dihydroxynaphthalene-2,7-disulphonato]](8-)]]dicuprate(4-)