C.I. Direct Brown 166

C.I. Direct Brown 166 structure

CAS No.: 8005-89-8

Chemical Name:: C.I. Direct Brown 166

Synonyms: Direct Brown 166;C.I. Direct Brown 166;C.I.Direct Brown 166:C.I.31515

CBNumber:: CB14756739

Molecular Formula:

Molecular Weight:: 0

MDL Number:

MOL File:: Mol file

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C.I. Direct Brown 166 Chemical Properties,Uses,Production

Preparation

N-(3-aminophenyl)formamide diazo, first in alkaline conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid?coupling, hydrolysis amino acylation, product to double nitriding, and 0.8 Moore 2-(3-Aminophenylamino)acetic acid and 0.2 Moore 2,4-Diaminobenzenesulfonic acid (2 Moore) coupled.

Properties and Applications

brown to red light brown. The strong sulfuric acid for dark purple red to date, diluted red for brown. The dye solution to join strong hydrochloric acid with chocolate brown precipitation; Add thick sodium hydroxide solution for purplish red color

Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
				Fading	Stain	Fading	Stain
ISO	4	5	2	3-4		3

C.I. Direct Brown 166 Preparation Products And Raw materials

Raw materials

N-(3-aminophenyl)formamide 2,4-Diaminobenzenesulfonic acid 6-Amino-4-hydroxy-2-naphthalenesulfonic acid 2-(3-aminophenylamino)acetic acid

Preparation Products

8005-89-8(C.I. Direct Brown 166)Related Search:

[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 Direct Brown 171 disodium 5-[[4'-[[2,6-diamino-3-methyl-5-[(4-sulphonatophenyl)azo]phenyl]azo][1,1'-biphenyl]-4-yl]azo]-3-methylsalicylate

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C.I. Direct Brown 166 Direct Brown 166 C.I.Direct Brown 166:C.I.31515 8005-89-8