2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-[2-[4-[2-(2-methylphenyl)diazenyl]-6-sulfo-1-naphthalenyl]diazenyl]-, sodium salt (1:2)

CAS No.: 6227-01-6

Chemical Name:: 2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-[2-[4-[2-(2-methylphenyl)diazenyl]-6-sulfo-1-naphthalenyl]diazenyl]-, sodium salt (1:2)

Synonyms: Direct Violet 5;C.I.Direct Violet 5:C.I.27660;Direat Violet RL, Direct Violet 3;2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-[2-[4-[2-(2-methylphenyl)diazenyl]-6-sulfo-1-naphthalenyl]diazenyl]-, sodium salt (1:2)

CBNumber:: CB44752868

Molecular Formula:: C27H22N5NaO7S2

Molecular Weight:: 615.61

MOL File:: 6227-01-6.mol

Request For Quotation

2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-[2-[4-[2-(2-methylphenyl)diazenyl]-6-sulfo-1-naphthalenyl]diazenyl]-, sodium salt (1:2) Chemical Properties,Uses,Production

Preparation

O-Methylaniline diazo, and 5-Aminonaphthalene-2-sulfonic acid?coupling, its product to diazo, in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling.

Properties and Applications

dark purple. Soluble in water and ethanol for red light purple. The strong sulfuric acid for Tracy in blue, purple for red after diluted. The dye solution to join strong hydrochloric acid has the purple precipitation; Add thick dark for sodium hydroxide solution.

Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
				Fading	Stain	Fading	Stain
ISO	3	5	3	1-2		1-2

2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-[2-[4-[2-(2-methylphenyl)diazenyl]-6-sulfo-1-naphthalenyl]diazenyl]-, sodium salt (1:2) Preparation Products And Raw materials

Raw materials

J acid 1-Aminonaphthalene-6-sulfonic acid o-Toluidine

Preparation Products

2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-[2-[4-[2-(2-methylphenyl)diazenyl]-6-sulfo-1-naphthalenyl]diazenyl]-, sodium salt (1:2) Suppliers

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TIANJIN XIANGRUI DYESTUFF CO.,LTD	+undefined13902081959	China	83	58	Inquiry

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6227-01-6(2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-[2-[4-[2-(2-methylphenyl)diazenyl]-6-sulfo-1-naphthalenyl]diazenyl]-, sodium salt (1:2))Related Search:

tetrasodium [mu-[[7,7'-iminobis[3-[(3-chloro-2-hydroxy-5-sulphophenyl)azo]-4-hydroxynaphthalene-2-sulphonato]](8-)]]dicuprate(4-) DIRECT VIOLET 47 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) 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

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2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-[2-[4-[2-(2-methylphenyl)diazenyl]-6-sulfo-1-naphthalenyl]diazenyl]-, sodium salt (1:2) Direct Violet 5 C.I.Direct Violet 5:C.I.27660 Direat Violet RL, Direct Violet 3 6227-01-6