3-[[2,5-Dimethyl-4-[(1-hydroxy-6-phenylamino-3-sodiosulfo-2-naphthalenyl)azo]phenyl]azo]naphthalene-1,5-disulfonic acid disodium salt

CAS NO.：6227-11-8
Molecular Weight: 0

What is 3-[[2,5-Dimethyl-4-[(1-hydroxy-6-phenylamino-3-sodiosulfo-2-naphthalenyl)azo]phenyl]azo]naphthalene-1,5-disulfonic acid disodium salt?

Preparation

3-Aminonaphthalene-1,5-disulfonic acid diazo, and 2,5-Dimethylbenzenamine?coupling, its product to diazo, in alkaline conditions and 4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid coupling.

Properties and Applications

bright purple. Soluble in water for red light purple, and adequate soluble in alcohol for product red to blue light purple. The strong sulfuric acid for Tracy in blue. The dye solution to join strong hydrochloric acid for purple, have precipitation; Add sodium hydroxide solution have strong purplish red precipitate.

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

Safety information for 3-[[2,5-Dimethyl-4-[(1-hydroxy-6-phenylamino-3-sodiosulfo-2-naphthalenyl)azo]phenyl]azo]naphthalene-1,5-disulfonic acid disodium salt

New Products

TIN AAS SOLUTION SILVER AAS SOLUTION ANDRADES REAGENT SOLUTION GRAMS SAFRANINE STAINING SOLUTION PLATINUM AAS SOLUTION TUNGSTEN AAS SOLUTION Folic Acid Impurity G Desloratidine Related compound B Dabigatran Acyl-O2-D-Glucuronide Trifluoroacetic Acid Salt Eltrombopag N-Oxide Impurity Di-Nitroso Acyclovir Impurity K DLRD N-Oxide

Related products of tetrahydrofuran

DIRECTVIOLET32

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

AZO BLUE

4-Hydroxy-3-[[4'-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid trisodium salt

trisodium 3-[[4-[[6-(anilino)-1-hydroxy-3-sulphonato-2-naphthyl]azo]-5-methoxy-o-tolyl]azo]naphthalene-1,5-disulphonate

DIRECT VIOLET 22

2-Naphthalenesulfonic acid, 4-hydroxy-3-[2-[2-methoxy-5-methyl-4-[2-(3-sulfophenyl)diazenyl]phenyl]diazenyl]-7-(phenylamino)-, sodium salt (1:2)

Direct Violet 27