Direct Brown 146

Direct Brown 146 structure

CAS No.: 8003-80-3

Chemical Name:: Direct Brown 146

Synonyms: Direct Brown 147;Direct Brown 146;C.I.Direct Brown 147:C.I.23360;C.I.Direct Brown 146:C.I.25260

CBNumber:: CB29702945

Molecular Formula:

Molecular Weight:: 0

MDL Number:

MOL File:: Mol file

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Direct Brown 146 Chemical Properties,Uses,Production

Preparation

N,N’-bis(3-aminophenyl)urea double nitriding, first and 2,4-Diaminobenzenesulfonic acid coupling, again with Benzene-1,3-diamine coupling.

Properties and Applications

brown. For yellow brown soluble in water, soluble in ethanol olive yellow light brown. The strong sulfuric acid in red orange for brown, diluted yellow brown to orange for brown. The dye solution to join strong hydrochloric acid for brown, have precipitation; Add thick sodium hydroxide solution with olives brown precipitation.

Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
				Fading	Stain	Fading	Stain
ISO	2	5	1	3		3

Direct Brown 146 Preparation Products And Raw materials

Raw materials

2,4-Diaminobenzenesulfonic acid Phenol m-Phenylenediamine O-Tolidine N,N'-bis(3-aminophenyl)urea

Preparation Products

8003-80-3(Direct Brown 146)Related Search:

Direct Brown 148 Benzenesulfonic acid, 4-amino-2-[(2,4-diaminophenyl)azo]-5-[[3-[(2,4-diaminophenyl)azo]phenyl]azo]-, monosodium salt C.I. Direct brown 151, disodium salt C.I. Direct brown 14 2-Naphthalenesulfonic acid, 6-[(2,4-diaminophenyl)azo]-3-[[3-[(2,4-diaminophenyl)azo]phenyl]azo]-4-hydroxy-, monosodium salt

Benzenesulfonic acid, 3,3'-(carbonyldiimino)bis[6-[(2,4-diaminophenyl)azo]-, disodium salt C.I. Direct Brown 149 C.I. Direct Brown 150

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Direct Brown 146 Direct Brown 147 C.I.Direct Brown 146:C.I.25260 C.I.Direct Brown 147:C.I.23360 8003-80-3