C.I. Acid Brown 92

C.I. Acid Brown 92 structure

CAS No.: 8004-84-0

Chemical Name:: C.I. Acid Brown 92

Synonyms: Acid Brown 92;C.I. Acid Brown 92;C.I.Acid Brown 92:C.I.36020

CBNumber:: CB44779555

Molecular Formula:

Molecular Weight:: 0

MDL Number:

MOL File:: Mol file

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C.I. Acid Brown 92 Chemical Properties,Uses,Production

Preparation

65% 4-Nitrobenzenamine? and 35% M-nitroaniline diazo, in acid conditions and 60% 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?and 40% 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling, its product in alkaline conditions and diazo 4-Aminobenzenesulfonic acid coupling, and then will the nitro reduction, diazotization, Coupled with resorcinol, product again with diazo 3,4′-Disulfo-4-aininoazobenzene and 75% 2-Amino-5-nitrobenzenesulfonic acid coupling, and then and diazo of 4-Nitrobenzenamine coupling.

Properties and Applications

Dark brown. Part of the soluble in water for brown, not soluble in alcohol. In the sulfuric acid for to black, diluted brown for olive. The dye solution to join strong hydrochloric acid for olive brown, add thick for blue-black sodium hydroxide solution.

C.I. Acid Brown 92 Preparation Products And Raw materials

Raw materials

Sulfanilic acid 4-NITRO-2-SULFOANILINE J acid Resorcinol 8-Amino-1-naphthol-3,6-disulfonic acid monosodium salt monohydrate

3-Nitroaniline 4-Nitroaniline

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Preparation Products

8004-84-0(C.I. Acid Brown 92)Related Search:

Acid brown 97 disodium 4-hydroxy-6-(phenylamino)-3-[(4-sulphonatophenyl)azo]naphthalene-2-sulphonate 2-Naphthalenesulfonic acid, 4-hydroxy-3-[(2-methoxyphenyl)azo]-6-[(2-sulfoethyl)amino]-, disodium salt 6-Amino-4-hydroxy-3-[[4-(sulfomethyl)phenyl]azo]-2-naphthalenesulfonic acid disodium salt ACID BROWN85 (C.I. 34900)

2-Naphthalenesulfonic acid, 4-hydroxy-6-(methylamino)-3-[[4-(sulfomethyl)phenyl]azo]-, disodium salt Cuprate(2-), [4-(hydroxy-κO)-3-[[2-(hydroxy-κO)-5-sulfophenyl]azo-κN1]-6-(phenylamino)-2-naphthalenesulfonato(4-)]-, disodium 2,7-Naphthalenedisulfonic acid, 6-amino-4-hydroxy-3-[(2-methyl-4-nitrophenyl)azo]-, disodium salt C.I. Acid Brown 87

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C.I. Acid Brown 92 Acid Brown 92 C.I.Acid Brown 92:C.I.36020 8004-84-0