Direct Brown 7

Direct Brown 7 Basic information
Product Name:Direct Brown 7
Synonyms:Direct Brown 7;C.I.Direct Brown 7:C.I.30035
CAS:
MF:
MW:0
EINECS:
Product Categories:
Mol File:Mol File
Direct Brown 7 Structure
Direct Brown 7 Chemical Properties
Safety Information
MSDS Information
Direct Brown 7 Usage And Synthesis
Preparation4-(4-Aminophenyl)benzenamine double nitriding, and 2,4-Diamino-5-methylbenzenesulfonic acid coupling, and then and 4-Aminobenzenesulfonic acid?diazo, and Benzene-1,3-diamine coupled to accidentally coupled nitrogen compounds.
Properties and Applicationsbrown. Soluble in water for orange brown, soluble in ethanol is palm yellow light. The strong sulfuric acid for sauce red to red light brown, for yellow brown after diluted. The dye solution to join strong hydrochloric acid have yellow olive brown precipitation; Add thick sodium hydroxide solution for orange brown, have precipitation.
Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
AATCC 1 4 2 3 2
Direct Brown 7 Preparation Products And Raw materials
Raw materialsSulfanilic acid-->Benzidine-->m-Phenylenediamine-->4,6-diaminotoluene-3-sulphonic acid
Tag:Direct Brown 7 Related Product Information
C.I. Direct brown 75 DIRECT BROWN 74 6-Amino-3-[[4'-[[2,6-diamino-3-methyl-5-[(4-sulfophenyl)azo]phenyl]azo]-1,1'-biphenyl-4-yl]azo]-4-hydroxy-2-naphthalenesulfonic acid disodium salt Direct Brown 69 Direct Brown 73 C.I. Direct Brown 67 Direct Brown 78 Direct Brown 70 4,4'-[(2-Methyl-5-sodiosulfo-1,3-phenylene)bis[azo(4,6-diamino-3,1-phenylene)azo]]bis[naphthalene-1-sulfonic acid sodium] salt

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