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C.I. Direct Brown 18

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C.I. Direct Brown 18 Basic information
Product Name:C.I. Direct Brown 18
Synonyms:C.I. Direct Brown 18;Direct Brown 18;C.I.Direct Brown 18:C.I.20220
CAS:8007-34-9
MF:
MW:0
EINECS:616-908-0
Product Categories:
Mol File:Mol File
C.I. Direct Brown 18 Structure
C.I. Direct Brown 18 Chemical Properties
Safety Information
MSDS Information
C.I. Direct Brown 18 Usage And Synthesis
Preparation6-Aminonaphthalene-1-sulfonic acid diazo, and Resorcinol coupling, C.I. Direct Yellow 59 (C.I. 49000) to diazo, and the generation of single accidentally coupled nitrogen compounds.
Properties and Applicationsbrown. For yellow brown is soluble in water, soluble in ethanol for orange brown. The strong sulfuric acid for orange brown, for yellow brown after diluted. The dye solution to join strong hydrochloric acid have yellow brown precipitation; Add thick sodium hydroxide solution for red light orange brown.
Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 4 3 2 1 1
C.I. Direct Brown 18 Preparation Products And Raw materials
Raw materials6-Amino-1-naphthalenesulfonic acid-->Resorcinol-->PRIMULINE
Tag:C.I. Direct Brown 18(8007-34-9) Related Product Information
Direct Brown 191 DIRECT BROWN 2 Direct Brown 179 Direct Brown 190 Direct Brown 185 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