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

Product Name: disodium 8,8'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis(7-hydroxynaphthalene-1-sulphonate)
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
Formula Weight: 698.63274
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) Property

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

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Hazard and Precautionary Statements (GHS)

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

Preparation Products

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

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Shaanxi DIDU pharmaceutical and Chemical Co., Ltd

Tel: 17691182729 18161915376
Email: 1046@dideu.com
Country: China
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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

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