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2,7-Naphthalenedisulfonic acid, 4-hydroxy-5-[2-[4-[2-[1-hydroxy-6-(phenylamino)-3-sulfo-2-naphthalenyl]diazenyl]-2,5-dimethylphenyl]diazenyl]-, sodium salt (1:3)

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2,7-Naphthalenedisulfonic acid, 4-hydroxy-5-[2-[4-[2-[1-hydroxy-6-(phenylamino)-3-sulfo-2-naphthalenyl]diazenyl]-2,5-dimethylphenyl]diazenyl]-, sodium salt (1:3) Basic information
Product Name:2,7-Naphthalenedisulfonic acid, 4-hydroxy-5-[2-[4-[2-[1-hydroxy-6-(phenylamino)-3-sulfo-2-naphthalenyl]diazenyl]-2,5-dimethylphenyl]diazenyl]-, sodium salt (1:3)
Synonyms:2,7-Naphthalenedisulfonic acid, 4-hydroxy-5-[2-[4-[2-[1-hydroxy-6-(phenylamino)-3-sulfo-2-naphthalenyl]diazenyl]-2,5-dimethylphenyl]diazenyl]-, sodium salt (1:3);Direct Violet 57;C.I.Direct Violet 57:C.I.27865
CAS:6227-12-9
MF:C34H28N5NaO11S3
MW:801.79
EINECS:612-994-9
Product Categories:
Mol File:6227-12-9.mol
2,7-Naphthalenedisulfonic acid, 4-hydroxy-5-[2-[4-[2-[1-hydroxy-6-(phenylamino)-3-sulfo-2-naphthalenyl]diazenyl]-2,5-dimethylphenyl]diazenyl]-, sodium salt (1:3) Structure
2,7-Naphthalenedisulfonic acid, 4-hydroxy-5-[2-[4-[2-[1-hydroxy-6-(phenylamino)-3-sulfo-2-naphthalenyl]diazenyl]-2,5-dimethylphenyl]diazenyl]-, sodium salt (1:3) Chemical Properties
Safety Information
MSDS Information
2,7-Naphthalenedisulfonic acid, 4-hydroxy-5-[2-[4-[2-[1-hydroxy-6-(phenylamino)-3-sulfo-2-naphthalenyl]diazenyl]-2,5-dimethylphenyl]diazenyl]-, sodium salt (1:3) Usage And Synthesis
Preparation4-Amino-5-hydroxynaphthalene-2,7-disulfonic aciddiazo, and 2,5-Dimethylbenzenamine coupling, its product to diazo, in alkaline conditions and 4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid coupling.
Properties and Applicationsblue purple. Soluble in water for blue purple, slightly soluble in alcohol. The strong sulfuric acid for green light blue, purple precipitation after diluted. The dye solution to join strong hydrochloric acid has the purple precipitation; Add thick sodium hydroxide solution for purple.
Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 4-5 4-5 5-6 3 3-4
2,7-Naphthalenedisulfonic acid, 4-hydroxy-5-[2-[4-[2-[1-hydroxy-6-(phenylamino)-3-sulfo-2-naphthalenyl]diazenyl]-2,5-dimethylphenyl]diazenyl]-, sodium salt (1:3) Preparation Products And Raw materials
Raw materials7-Anilino-4-hydroxy-2-naphthalenesulfonic acid-->8-Amino-1-naphthol-3,6-disulfonic acid monosodium salt monohydrate-->2,5-Dimethylaniline
Tag:2,7-Naphthalenedisulfonic acid, 4-hydroxy-5-[2-[4-[2-[1-hydroxy-6-(phenylamino)-3-sulfo-2-naphthalenyl]diazenyl]-2,5-dimethylphenyl]diazenyl]-, sodium salt (1:3)(6227-12-9) Related Product Information
tetrasodium [mu-[[7,7'-iminobis[3-[(3-chloro-2-hydroxy-5-sulphophenyl)azo]-4-hydroxynaphthalene-2-sulphonato]](8-)]]dicuprate(4-) DIRECT VIOLET 47 disodium [mu-[[7,7'-iminobis[4-hydroxy-3-[[2-hydroxy-5-(N-methylsulphamoyl)phenyl]azo]naphthalene-2-sulphonato]](6-)]]dicuprate(2-) disodium 7,17-dichloro-10,20-dihydrodiindeno[2,1-b:2',1'-m]triphenodioxazinedisulphonate C.I. Direct Violet 49 Direct violet 56 (C.I. 17510) Cuprate(1-), [3-[2-[5-(aminosulfonyl)-2-(hydroxy-κO)phenyl]diazenyl-κN1]-4-(hydroxy-κO)-7-(phenylamino)-2-naphthalenesulfonato(3-)]-, sodium (1:1) DIRECT VIOLET 51 2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-[2-[4-[2-(2-methylphenyl)diazenyl]-6-sulfo-1-naphthalenyl]diazenyl]-, sodium salt (1:2)