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

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disodium 8,8'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis(7-hydroxynaphthalene-1-sulphonate) Suppliers list
Company Name: Shaanxi DIDU pharmaceutical and Chemical Co., Ltd  
Tel: 17691182729 18161915376
Email: 1046@dideu.com
Products Intro: Product Name:Disodium 8,8'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis(7-hydroxynaphthalene-1-sulphonate)
CAS:2302-97-8
Purity:98% Package:25KG/桶
disodium 8,8'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis(7-hydroxynaphthalene-1-sulphonate) Basic information
Product Name:disodium 8,8'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis(7-hydroxynaphthalene-1-sulphonate)
Synonyms: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
CAS:2302-97-8
MF:C32H20N4Na2O8S2
MW:698.63274
EINECS:2189590
Product Categories:
Mol File:2302-97-8.mol
disodium 8,8'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis(7-hydroxynaphthalene-1-sulphonate) Structure
disodium 8,8'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis(7-hydroxynaphthalene-1-sulphonate) Chemical Properties
EPA Substance Registry SystemC.I. Direct Red 44 (2302-97-8)
Safety Information
MSDS Information
disodium 8,8'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis(7-hydroxynaphthalene-1-sulphonate) Usage And Synthesis
Preparation4-(4-Aminophenyl)benzenamine double nitriding, and 7-Hydroxynaphthalene-1-sulfonic acid (2 Moore) coupled.
Properties and Applicationsdark 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 materials7-hydroxynaphthalene-1-sulphonic acid-->Benzidine
Tag:disodium 8,8'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis(7-hydroxynaphthalene-1-sulphonate)(2302-97-8) Related Product Information
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