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Direct Brown 171

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Direct Brown 171 Basic information
Product Name:Direct Brown 171
Synonyms:Direct Brown 171;C.I.Direct Brown 171:C.I.30040
CAS:
MF:
MW:0
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Mol File:Mol File
Direct Brown 171 Structure
Direct Brown 171 Chemical Properties
Safety Information
MSDS Information
Direct Brown 171 Usage And Synthesis
Preparation4-(4-Aminophenyl)benzenamine double nitriding, first and 2,4-Diamino-5-methylbenzenesulfonic acid coupling, and then and 4-Aminonaphthalene-1-sulfonic acid diazo, and Benzene-1,3-diamine coupled to accidentally coupled nitrogen compounds.
Properties and Applicationsred light brown. Slightly soluble in water for orange brown, soluble in ethanol for yellow brown. The strong sulfuric acid for dark red to blue light in brown light purple, for yellow brown after diluted, precipitation. The dye solution to join strong hydrochloric acid have dark red light brown precipitation; Add thick sodium hydroxide solution for orange brown.
Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 4-5 4 2 4 3-4
Direct Brown 171 Preparation Products And Raw materials
Raw materialsBenzidine-->Naphthionic acid-->m-Phenylenediamine-->4,6-diaminotoluene-3-sulphonic acid
Tag:Direct Brown 171 Related Product Information
[1,1'-Biphenyl]-3,3'-dicarboxylic acid, 4-[[4,5-dihydro-3-methyl-5-oxo-1-(6-sulfo-2-naphthalenyl)-1H-pyrazol-4-yl]azo]-4'-[[1-[[(2-methoxyphenyl)amino]carbonyl]-2-oxopropyl]azo]-, trisodium salt 4-Amino-2-[(2,4-diaminophenyl)azo]-5-[[3-[(2,4-diaminophenyl)azo]phenyl]azo]benzenesulfonic acid sodium salt Direct Brown 159 Direct Brown 161 [1,1'-Biphenyl]-3,3'-dicarboxylic acid, 4-[(6-carboxy-1,7-dihydroxy-3-sulfo-2-naphthalenyl)azo]-4'-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-, tetrasodium salt 4-Amino-5-hydroxy-3-[[4'-[(2,4-diaminophenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt 3,5-Diamino-4-chloro-2-[[4'-[[2,6-diamino-3-methyl-5-[(4-sulfophenyl)azo]phenyl]azo]-1,1'-biphenyl-4-yl]azo]benzenesulfonic acid disodium salt disodium 5-[[4'-[[2,6-diamino-3-methyl-5-[(4-sulphonatophenyl)azo]phenyl]azo][1,1'-biphenyl]-4-yl]azo]-3-methylsalicylate C.I. Direct Brown 166