disodium 8,8'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis(7-hydroxynaphthalene-1-sulphonate)

disodium 8,8'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis(7-hydroxynaphthalene-1-sulphonate) structure

CAS No.: 2302-97-8

Chemical Name:: disodium 8,8'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis(7-hydroxynaphthalene-1-sulphonate)

Synonyms: Direct Red 44;CIDIRECTRED44;C.I. Direct bordeaux R;C.I.Direct Red 44:C.I.22500;disodium 8,8'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis(7-hydroxynaphthalene-1-sulphonate);disodium,(8Z)-7-oxo-8-[[4-[4-[(2Z)-2-(2-oxo-8-sulfonatonaphthalen-1-ylidene)hydrazinyl]phenyl]phenyl]hydrazinylidene]naphthalene-1-sulfonate

CBNumber:: CB9882265

Molecular Formula:: C32H20N4Na2O8S2

Molecular Weight:: 698.63274

MDL Number:

MOL File:: 2302-97-8.mol

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disodium 8,8'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis(7-hydroxynaphthalene-1-sulphonate) Properties

EPA Substance Registry System	C.I. Direct Red 44 (2302-97-8)

disodium 8,8'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis(7-hydroxynaphthalene-1-sulphonate) Chemical Properties,Uses,Production

Preparation

4-(4-Aminophenyl)benzenamine double nitriding, and 7-Hydroxynaphthalene-1-sulfonic acid (2 Moore) coupled.

Properties and Applications

dark red to blue light red violet. Soluble in water for product red to red light purple, slightly soluble in alcohol. The strong sulfuric acid for purple, diluted with light purple (a red); In nitric acid in red orange for solution. The dye solution to join strong hydrochloric acid for navy, precipitation; Add thick sodium hydroxide solution for red light brown, have precipitation.

disodium 8,8'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis(7-hydroxynaphthalene-1-sulphonate) Preparation Products And Raw materials

Raw materials

7-hydroxynaphthalene-1-sulphonic acid Benzidine

Preparation Products

disodium 8,8'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis(7-hydroxynaphthalene-1-sulphonate) Suppliers

Global( 1)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Shaanxi DIDU pharmaceutical and Chemical Co., Ltd	17691182729 18161915376	1046@dideu.com	China	10010	58

Supplier	Advantage
Shaanxi DIDU pharmaceutical and Chemical Co., Ltd	58

2302-97-8(disodium 8,8'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis(7-hydroxynaphthalene-1-sulphonate))Related Search:

tetrasodium 4,4'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[3-aminonaphthalene-2,7-disulphonate] 2-Naphthalenesulfonic acid, 7-[(2,4-dihydroxyphenyl)azo]-3-[[3-[(2,4-dihydroxyphenyl)azo]phenyl]azo]-4-hydroxy-, monosodium salt Direct Red 45 1,6-Naphthalenedisulfonic acid, 7-[[4-(4,6-dimethyl-2-benzothiazolyl)-2-methylphenyl]azo]-8-hydroxy-, disodium salt 2-Naphthalenesulfonic acid, 8,8'-[carbonylbis[imino(2-sulfo-4,1-phenylene)azo]]bis[7-(methylamino)-, tetrasodium salt

7-Amino-4-hydroxy-3-[[4'-[(4-hydroxy-2-sodiosulfophenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2-sulfonic acid sodium salt GERANINE G 2-Hydroxy-5-[[4'-[(1,6-dihydroxy-3-sodiosulfo-2-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]benzoic acid sodium salt 1,6-Naphthalenedisulfonic acid, 8-hydroxy-7-[[4-(6-methyl-2-benzothiazolyl)phenyl]azo]-, disodium salt

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disodium 8,8'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis(7-hydroxynaphthalene-1-sulphonate) C.I. Direct bordeaux R CIDIRECTRED44 disodium,(8Z)-7-oxo-8-[[4-[4-[(2Z)-2-(2-oxo-8-sulfonatonaphthalen-1-ylidene)hydrazinyl]phenyl]phenyl]hydrazinylidene]naphthalene-1-sulfonate C.I.Direct Red 44:C.I.22500 Direct Red 44 2302-97-8