2-Naphthalenesulfonic acid, 3,3'-[carbonylbis(imino-3,1-phenyleneazo)]bis[7-amino-4-hydroxy-, disodium salt

2-Naphthalenesulfonic acid, 3,3'-[carbonylbis(imino-3,1-phenyleneazo)]bis[7-amino-4-hydroxy-, disodium salt structure

CAS No.: 6391-27-1

Chemical Name:: 2-Naphthalenesulfonic acid, 3,3'-[carbonylbis(imino-3,1-phenyleneazo)]bis[7-amino-4-hydroxy-, disodium salt

Synonyms: Direct Red 120;C.I.Direct Red 120:C.I.25275;2-Naphthalenesulfonic acid, 3,3'-[carbonylbis(imino-3,1-phenyleneazo)]bis[7-amino-4-hydroxy-, disodium salt

CBNumber:: CB44781754

Molecular Formula:: C33H27N8NaO9S2

Molecular Weight:: 766.74

MDL Number:

MOL File:: 6391-27-1.mol

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2-Naphthalenesulfonic acid, 3,3'-[carbonylbis(imino-3,1-phenyleneazo)]bis[7-amino-4-hydroxy-, disodium salt Chemical Properties,Uses,Production

Preparation

N,N’-bis(3-aminophenyl)urea double nitriding, in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid (2 Moore) coupled.

Properties and Applications

Claret. Soluble in water for orange brown, soluble in ethanol for orange. In the strong sulfuric acid to red, shallow orange for diluted. The dye solution to join strong hydrochloric acid for red orange brown, have precipitation; Add thick sodium hydroxide solution for orange brown, have precipitation; Add 10% sodium hydroxide solution color micro become yellow.

Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
Standard	Acid Resistance	Alkali Resistance	Light Fastness	Fading	Stain	Fading	Stain
ISO	4	5	1	4		3-4
AATCC	5	5	1-2	3		4

2-Naphthalenesulfonic acid, 3,3'-[carbonylbis(imino-3,1-phenyleneazo)]bis[7-amino-4-hydroxy-, disodium salt Preparation Products And Raw materials

Raw materials

J acid N,N'-bis(3-aminophenyl)urea

Preparation Products

6391-27-1(2-Naphthalenesulfonic acid, 3,3'-[carbonylbis(imino-3,1-phenyleneazo)]bis[7-amino-4-hydroxy-, disodium salt)Related Search:

disodium 7-[(4-aminobenzoyl)amino]-4-hydroxy-3-[[3-methyl-4-[(3-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate sodium 7-[(3-aminobenzoyl)amino]-4-hydroxy-3-(phenylazo)naphthalene-2-sulphonate C.I. Direct Red 112 DIRECT RED 122 Naphtho[2,1-d]thiazole-8-sulfonic acid, 2-(4-aminophenyl)-6-hydroxy-7-[(2-methylphenyl)azo]-, monosodium salt

trisodium 2-[4-[[6-[[[[4-(acetamido)phenyl]amino]carbonyl]amino]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-3-sulphonatophenyl]-6-methylbenzothiazole-7-sulphonate disodium 7-[(4-aminobenzoyl)amino]-4-hydroxy-3-[[4-[(4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate DIRECT RED 111 2-Naphthalenesulfonic acid, 7-[[[[4-(acetylamino)phenyl]amino]carbonyl]amino]-3-[[4-[(2,4-dichloro-6-sulfophenyl)azo]-3-methylphenyl]azo]-4-hydroxy-, disodium salt

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C.I.Direct Red 120:C.I.25275 Direct Red 120 2-Naphthalenesulfonic acid, 3,3'-[carbonylbis(imino-3,1-phenyleneazo)]bis[7-amino-4-hydroxy-, disodium salt 6391-27-1