Direct Blue 29

CAS No.
Chemical Name:Direct Blue 29
CBNumber:CB99702919
Molecular Formula:
Formula Weight:0
MOL File:Mol file

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Direct Blue 29 Chemical Properties,Usage,Production

Preparation 2-Amino-5-nitrobenzenesulfonic acid?diazo, and 2-Amino-4-methylanisole coupling, again diazo, in alkaline conditions and 4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid coupling.

Properties and Applications blue-ray red. Soluble in water and ethanol is purple. The strong sulfuric acid for yellow green, diluted is shallow brown. The dye solution to join strong sodium hydroxide solution for blue light green, a black light blue precipitation.

Standard(Viscose)	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
				Fading	Stain	Fading	Stain
AATCC	3	3-4	4	3		3

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Direct Blue 29Related Search:

Direct Blue 297 Direct Blue 291 Direct Blue 293 DIRECTBLUE296 Direct Blue 299 Direct Blue 290 OXAMINE BLUE 4R Direct Blue 294 trisodium 5-amino-3-[[4'-[(6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-4-hydroxynaphthalene-2,7-disulphonate

C.I.Direct Blue 29:C.I.27890
Direct Blue 29

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