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Direct Blue 29

Direct Blue 29 Structure
CAS No.
Chemical Name:
Direct Blue 29
Synonyms
Direct Blue 29;C.I.Direct Blue 29:C.I.27890
CBNumber:
CB99702919
Molecular Formula:
Molecular Weight:
0
MOL File:
Mol file
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Direct Blue 29 Chemical Properties,Uses,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

Direct Blue 29 Preparation Products And Raw materials

Raw materials

4-NITRO-2-SULFOANILINE 7-Anilino-4-hydroxy-2-naphthalenesulfonic acid 2-Methoxy-5-methylaniline

Preparation Products

(Direct Blue 29)Related 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
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Direct Blue 29 C.I.Direct Blue 29:C.I.27890