disodium 8,8'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis(7-hydroxynaphthalene-1-sulphonate)
- CAS NO.:2302-97-8
- Empirical Formula: C32H20N4Na2O8S2
- Molecular Weight: 698.63274
- EINECS: 2189590
- SAFETY DATA SHEET (SDS)
What is disodium 8,8'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis(7-hydroxynaphthalene-1-sulphonate)?
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.
Properties of disodium 8,8'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis(7-hydroxynaphthalene-1-sulphonate)
EPA Substance Registry System | C.I. Direct Red 44 (2302-97-8) |
Safety information for disodium 8,8'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis(7-hydroxynaphthalene-1-sulphonate)
Computed Descriptors for disodium 8,8'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis(7-hydroxynaphthalene-1-sulphonate)
New Products
Tubulysin A Tubulysin M Tubulysin F Tubulysin E 2H-Pyran, 4-ethynyltetrahydro- Methyl (R)-1-Boc-4,4-difluoropyrrolidine-2-carboxylate 2-(azetidin-3-ylidene)acetonitrile (hydrochloride) tetrahydro-4-methyl-2H-pyran 1-(1,1-Difluoroethyl)-2-fluorobenzene 3-Aminocyclobutanone hydrochloride Fuel shell (1R,2S)-2-(3,4-Difluorophenyl)cyclopropanamine 2-[2-[3(S)-3[2-(7-chloro-2-quinolinyl) ethenyl] phenyl-3- hydroxyl propyl] phenyl]-2-propanol Imeglimin Hydrochloride IH 2-(1-(Mercaptomethyl) cyclopropyl) acetonitrile Calcium Sodium Phosphosilicate IH Lubiprostone Magnesium Trisilicate Latanoprostene Bunod Flame Retardant Zinc Borate (R)-(3-(3-fluoro-4- thiomorpholinophenyl)-2- oxooxazolidin-4-yl) methyl methanesulfonate methyl 3-fluoro-4- thiomorpholino phenylcarbamate 7-Methoxyquinoline-4-carbonitrile 1H-Imidazole-4-carbonitrileRelated products of tetrahydrofuran
1,6-Naphthalenedisulfonic acid, 8-hydroxy-7-[[4-(6-methyl-2-benzothiazolyl)phenyl]azo]-, disodium salt
2-Hydroxy-5-[[4'-[(1,6-dihydroxy-3-sodiosulfo-2-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]benzoic acid sodium salt
GERANINE G
7-Amino-4-hydroxy-3-[[4'-[(4-hydroxy-2-sodiosulfophenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2-sulfonic acid sodium salt
2-Naphthalenesulfonic acid, 8,8'-[carbonylbis[imino(2-sulfo-4,1-phenylene)azo]]bis[7-(methylamino)-, tetrasodium salt
1,6-Naphthalenedisulfonic acid, 7-[[4-(4,6-dimethyl-2-benzothiazolyl)-2-methylphenyl]azo]-8-hydroxy-, disodium salt
Direct Red 45
2-Naphthalenesulfonic acid, 7-[(2,4-dihydroxyphenyl)azo]-3-[[3-[(2,4-dihydroxyphenyl)azo]phenyl]azo]-4-hydroxy-, monosodium salt
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