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

Density 

1.56[at 20℃]

vapor pressure 

0Pa at 25℃

Water Solubility 

50g/L at 20℃

LogP

-1

EPA Substance Registry System

C.I. Direct Violet 35, trisodium salt (6227-20-9)

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

Preparation

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

Flammability and Explosibility

Not classified

Properties and Applications

blue purple. Soluble in water for deep purple, and adequate soluble in ethanol for red light purple. The strong sulfuric acid for Tracy in blue, blue for red after diluted. The dye solution to join strong hydrochloric acid blue precipitation; Add thick sodium hydroxide solution has the purple precipitation. Used for cellulose fiber dyeing and printing of, also can used for the paper color.

trisodium 3-[[4-[[6-(anilino)-1-hydroxy-3-sulphonato-2-naphthyl]azo]-5-methoxy-o-tolyl]azo]naphthalene-1,5-disulphonate(6227-20-9)Related Product Information

• Direct Red 13
• Direct Black 19
• Direct Yellow 12
• DIRECT PURE YELLOW 5G
• DIRECT RED 80
• Direct Green 26
• Direct Red 243
• Direct Orange 39
• DIRECT BLACK 22
• Direct Black 166
• Direct Black 168
• Direct Yellow 120
• DIRECT VIOLET 51
• Direct Blue 199
• Direct Brown 95
• tetrasodium 4,4'-[carbonylbis[imino(5-methoxy-2-methyl-4,1-phenylene)azo]]bis[5-hydroxynaphthalene-2,7-disulphonate]
• Direct Blue 71
• DIRECT BLUE 200