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C.I. Direct Brown 208

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C.I. Direct Brown 208 Basic information
Product Name:C.I. Direct Brown 208
Synonyms:C.I. Direct Brown 208;Direct Brown 208;C.I.Direct Brown 208:C.I.20080
CAS:8005-95-6
MF:
MW:0
EINECS:616-882-0
Product Categories:
Mol File:Mol File
C.I. Direct Brown 208 Structure
C.I. Direct Brown 208 Chemical Properties
Safety Information
MSDS Information
C.I. Direct Brown 208 Usage And Synthesis
Preparation3-Aminobenzenesulfonic acid (0.5 Moore) and 4-Aminobenzenesulfonic acid (0.5 Moore) diazo, and Benzene-1,3-diamine coupling, Naphthalen-1-amine diazo again, and formation of accidentally coupled nitrogen compounds.
Properties and Applicationsbrown. Moderate soluble in water for olive yellow brown, soluble in ethanol for yellow orange brown. The strong sulfuric acid for purple brown to black, with golden yellow diluted. The dye solution to join strong hydrochloric acid have dark brown precipitation; Add thick sodium hydroxide solution for yellow orange brown, have precipitation.
Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 5 4 3 4 3
C.I. Direct Brown 208 Preparation Products And Raw materials
Raw materialsSulfanilic acid-->Metanilic acid-->m-Phenylenediamine-->1-Naphthylamine
Tag:C.I. Direct Brown 208(8005-95-6) Related Product Information
Direct Brown 223 Direct Brown 206 CI34035 Direct Brown 227 5-[[4'-[[8-[[2,4-Diamino-5-[(4-sodiosulfophenyl)azo]phenyl]azo]-1-hydroxy-3,6-bis(sodiosulfo)-2-naphthalenyl]azo][1,1'-biphenyl]-4-yl]azo]-2-hydroxybenzoic acid sodium salt Benzoic acid, 5-[[4'-[[2,4-dihydroxy-3-[(4-sulfo-1-naphthalenyl)azo]phenyl]azo][1,1'-biphenyl]-4-yl]azo]-2-hydroxy-, disodium salt Direct Brown 221 Direct Brown 20 Direct Brown 222