disodium 4-amino-5-hydroxy-3-[(2-methyl-5-nitrophenyl)azo]-6-(phenylazo)naphthalene-2,7-disulphonate

Product Name
disodium 4-amino-5-hydroxy-3-[(2-methyl-5-nitrophenyl)azo]-6-(phenylazo)naphthalene-2,7-disulphonate
CAS No.
5850-41-9
Chemical Name
disodium 4-amino-5-hydroxy-3-[(2-methyl-5-nitrophenyl)azo]-6-(phenylazo)naphthalene-2,7-disulphonate
Synonyms
C.I.20500;Acid Black 28;C.I.Acid Black 28;Naphthalene Black 12BR;C.I.Acid Black 28:C.I.20500;disodium 4-amino-5-hydroxy-3-[(2-methyl-5-nitrophenyl)azo]-6-(phenylazo)naphthalene-2,7-disulphonate;4-Amino-5-hydroxy-3-[(5-nitro-2-methylphenyl)azo]-6-(phenylazo)naphthalene-2,7-disulfonic acid disodium salt;disodium,(6E)-4-amino-3-[(2-methyl-5-nitrophenyl)diazenyl]-5-oxo-6-(phenylhydrazinylidene)naphthalene-2,7-disulfonate
CBNumber
CB8898506
Molecular Formula
C23H16N6Na2O9S2
Formula Weight
630.51748
MOL File
5850-41-9.mol
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disodium 4-amino-5-hydroxy-3-[(2-methyl-5-nitrophenyl)azo]-6-(phenylazo)naphthalene-2,7-disulphonate Property

EPA Substance Registry System
2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-3-[(2-methyl-5-nitrophenyl)azo]-6-(phenylazo)-, disodium salt (5850-41-9)
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Hazard and Precautionary Statements (GHS)

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disodium 4-amino-5-hydroxy-3-[(2-methyl-5-nitrophenyl)azo]-6-(phenylazo)naphthalene-2,7-disulphonate Chemical Properties,Usage,Production

Preparation

2-Methyl-5-nitrobenzenamine diazo, in acid conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acidcoupling, and then aniline?diazo, in alkaline conditions and formation of single accidentally coupled nitrogen compounds.

Properties and Applications

blue and black. Soluble in water, slightly soluble in ethanol, very few soluble in acetone, insoluble in benzene. The strong sulfuric acid for green, diluted green for blue-ray.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 5 3 3 2

disodium 4-amino-5-hydroxy-3-[(2-methyl-5-nitrophenyl)azo]-6-(phenylazo)naphthalene-2,7-disulphonate Preparation Products And Raw materials

Raw materials

Preparation Products

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disodium 4-amino-5-hydroxy-3-[(2-methyl-5-nitrophenyl)azo]-6-(phenylazo)naphthalene-2,7-disulphonate Suppliers

China 1 Global 1
Shaanxi Dideu Newmaterial Co., Ltd.
Tel
029-87576359 15353716720
Email
1039@dideu.com
Country
China
ProdList
10009
Advantage
58

5850-41-9, disodium 4-amino-5-hydroxy-3-[(2-methyl-5-nitrophenyl)azo]-6-(phenylazo)naphthalene-2,7-disulphonate Related Search:

ACID BLACK 29 Benzoic acid, 4-[[7-[[4-[[4'-[[4-[(7-amino-1-hydroxy-3,6-disulfo-2-naphthalenyl)azo]-5-methoxy-2-methylphenyl]azo]-3,3'-disulfo[1,1'-biphenyl]-4-yl]azo]-2-methoxy-5-methylphenyl]azo]-8-hydroxy-6-sulfo-2-naphthalenyl]amino]-, hexasodium salt tetrasodium (4Z)-4-[[4-(6,8-disulfonatonaphthalen-2-yl)diazenylnaphthalen-1-yl]hydrazinylidene]-3-oxo-naphthalene-2,7-disulfonate 2,7-Naphthalenedisulfonic acid, 4-[[4-[(3,6-disulfo-1-naphthalenyl)azo]-6(or 7)-sulfo-1-naphthalenyl]azo]-3-hydroxy-, pentasodium salt Acid Black 41 Sulphon Black RA FAST SULPHON BLACK F Chromate(3-), bis[3-(hydroxy-κO)-4-[[2-(hydroxy-κO)-1-naphthalenyl]azo-κN1]-7-[[(4-methylphenyl)sulfonyl]amino]-1-naphthalenesulfonato(3-)]-, disodium hydrogen sodium 4-hydroxy-5-[(2-methoxy-4-nitrophenyl)azo]-6-(phenylamino)naphthalene-2-sulphonate Acid Black 2 Naphthalene-2,7-disulfonic acid

  • disodium 4-amino-5-hydroxy-3-[(2-methyl-5-nitrophenyl)azo]-6-(phenylazo)naphthalene-2,7-disulphonate
  • 4-Amino-5-hydroxy-3-[(5-nitro-2-methylphenyl)azo]-6-(phenylazo)naphthalene-2,7-disulfonic acid disodium salt
  • C.I.20500
  • C.I.Acid Black 28
  • Naphthalene Black 12BR
  • disodium,(6E)-4-amino-3-[(2-methyl-5-nitrophenyl)diazenyl]-5-oxo-6-(phenylhydrazinylidene)naphthalene-2,7-disulfonate
  • Acid Black 28
  • C.I.Acid Black 28:C.I.20500
  • 5850-41-9