Direct blue 9 (C.I. 24155)

Direct blue 9 (C.I. 24155) structure

CAS No.: 6428-98-4

Chemical Name:: Direct blue 9 (C.I. 24155)

Synonyms: C.I.24155;Direct Blue 9;C.I.Direct Blue 9;Direct blue 9 (C.I. 24155);C.I.Direct Blue 9:C.I.24155;3-Hydroxy-4-[[4'-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-3,3'-dimethoxy-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid trisodium salt

CBNumber:: CB61485688

Molecular Formula:: C34H27N4NaO13S3

Molecular Weight:: 818.77

MDL Number:

MOL File:: 6428-98-4.mol

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Direct blue 9 (C.I. 24155) Chemical Properties,Uses,Production

Preparation

3,3′-Dimethoxylbenzidine double nitriding, first and 3-Hydroxynaphthalene-2,7-disulfonic acid coupled , and then 4-Hydroxynaphthalene-1-sulfonic acid coupling.

Properties and Applications

blue. Soluble in water, soluble in alcohol. The strong sulfuric acid for blue, blue after diluted precipitation. The dye water solution is blue, to join the hydrochloric acid have precipitation of dark; Add sodium hydroxide solution for purplish red color.

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

Direct blue 9 (C.I. 24155) Preparation Products And Raw materials

Raw materials

Disodium 2-naphthol-3,6-disulfonate 1-Naphthol-4-sulfonic acid o-Dianisidine

Preparation Products

6428-98-4(Direct blue 9 (C.I. 24155))Related Search:

Direct Blue 86 SIRIUS SUPRA BLUE trisodium [29H,31H-phthalocyaninetrisulphonato(5-)-N29,N30,N31,N32]cuprate(3-) DIRECT BLUE 90 DIRECT BLUE 80

C.I. Direct Blue 85 Direct blue 83 (C.I. 34230) Direct Blue 82 tetrasodium [mu-[[3,3'-[(3,3'-dihydroxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[4,5-dihydroxynaphthalene-2,7-disulphonato]](8-)]]dicuprate(4-)

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Direct blue 9 (C.I. 24155) 3-Hydroxy-4-[[4'-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-3,3'-dimethoxy-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid trisodium salt C.I.24155 C.I.Direct Blue 9 Direct Blue 9 C.I.Direct Blue 9:C.I.24155 6428-98-4