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Direct Brown 191

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Direct Brown 191 Basic information
Product Name:Direct Brown 191
Synonyms:Direct Brown 191;C.I.Direct Brown 191:C.I.13220
CAS:10190-16-6
MF:
MW:0
EINECS:
Product Categories:
Mol File:Mol File
Direct Brown 191 Structure
Direct Brown 191 Chemical Properties
Safety Information
MSDS Information
Direct Brown 191 Usage And Synthesis
Preparation4-Aminobenzenesulfonic acid diazo, and Benzene-1,3-diamine coupling.
Properties and Applicationsred light brown. Soluble in water for yellow orange, soluble in ethanol for yellow. The strong sulfuric acid in orange, diluted to orange still. The dye solution to join strong hydrochloric acid have orange brown precipitation; Add thick sodium hydroxide solution discoloration.
Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 5 5 4 4-5 5
Direct Brown 191 Preparation Products And Raw materials
Raw materialsSulfanilic acid-->m-Phenylenediamine
Tag:Direct Brown 191(10190-16-6) Related Product Information
DIRECT BROWN 2 Direct Brown 179 Direct Brown 190 Direct Brown 185 C.I. Direct Brown 18 Direct Brown 186 sodium 2,6-bis[(2,4-diaminophenyl)azo]toluene-4-sulphonate 5-[[4'-[[3-[(3-Carboxy-2-hydroxy-5-sulfophenyl)azo]-2,6-dihydroxyphenyl]azo]-1,1'-biphenyl-4-yl]azo]-2-hydroxybenzoic acid trisodium salt 2-Hydroxy-5-[[4'-[[2,6-dihydroxy-3-[[2-hydroxy-5-(aminosulfonyl)phenyl]azo]phenyl]azo]-1,1'-biphenyl-4-yl]azo]benzoic acid sodium salt