Direct Violet 27

Direct Violet 27 structure

CAS No.: 6426-64-8

Chemical Name:: Direct Violet 27

Synonyms: Direct Violet 27;C.I. Direct violet 27;C.I.Direct Violet 27:C.I.22460;2,7-Naphthalenedisulfonic acid, 3-((4'-((6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-4-hydroxy-, trisodium salt

CBNumber:: CB8967655

Molecular Formula:: C32H24N5NaO11S3

Molecular Weight:: 773.74

MDL Number:

MOL File:: 6426-64-8.mol

Request For Quotation

Direct Violet 27 Properties

EPA Substance Registry System	C.I. Direct Violet 27 (6426-64-8)

Direct Violet 27 Chemical Properties,Uses,Production

Preparation

4-(4-Aminophenyl)benzenamine double nitriding, first with 4-Hydroxynaphthalene-2,7-disulfonic acid coupling, and then in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling.

Properties and Applications

purple. Soluble in water for red light purple, and adequate soluble in ethanol for product red. In the strong sulfuric acid as dark blue, diluted for purplish red color. The dye solution to join strong hydrochloric acid for purplish red color, have precipitation; Add thick sodium hydroxide solution for red wine.

Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
				Fading	Stain	Fading	Stain
ISO	3-4	4-5	2-3	1-2		1-2

Direct Violet 27 Preparation Products And Raw materials

Raw materials

1-Naphthol-3,6-disulfonic acid Benzidine J acid

Preparation Products

Direct Violet 27 Suppliers

Global( 1)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Dynasty Colourants Co., Ltd.	--	info@dynasty-color.com	China	3306	51

Supplier	Advantage
Dynasty Colourants Co., Ltd.	51

6426-64-8(Direct Violet 27)Related Search:

[1,1'-Biphenyl]-3,3'-disulfonic acid, 4,4'-bis[[1-hydroxy-6-[(5-hydroxy-7-sulfo-2-naphthalenyl)amino]-3-sulfo-2-naphthalenyl]azo]-, hexasodium salt 2-Naphthalenesulfonic acid, 4-hydroxy-3-[2-[2-methoxy-5-methyl-4-[2-(3-sulfophenyl)diazenyl]phenyl]diazenyl]-7-(phenylamino)-, sodium salt (1:2) 3-[[2,5-Dimethyl-4-[(1-hydroxy-6-phenylamino-3-sodiosulfo-2-naphthalenyl)azo]phenyl]azo]naphthalene-1,5-disulfonic acid disodium salt DIRECT VIOLET 22 trisodium 3-[[4-[[6-(anilino)-1-hydroxy-3-sulphonato-2-naphthyl]azo]-5-methoxy-o-tolyl]azo]naphthalene-1,5-disulphonate

4-Hydroxy-3-[[4'-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid trisodium salt AZO BLUE 4-Amino-3-[[4'-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-1-naphthalenesulfonic acid disodium salt DIRECTVIOLET32

1of2

Direct Violet 27 2,7-Naphthalenedisulfonic acid, 3-((4'-((6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-4-hydroxy-, trisodium salt C.I. Direct violet 27 C.I.Direct Violet 27:C.I.22460 6426-64-8