disodium 6-amino-4-hydroxy-5-[(4-nitro-2-sulphonatophenyl)azo]naphthalene-2-sulphonate Chemical Properties

EPA Substance Registry System

2-Naphthalenesulfonic acid, 6-amino-4-hydroxy-5-[(4-nitro-2-sulfophenyl)azo]-, disodium salt (6441-91-4)

disodium 6-amino-4-hydroxy-5-[(4-nitro-2-sulphonatophenyl)azo]naphthalene-2-sulphonate Usage And Synthesis

Uses

Acid Violet 1 (CAS# 6441-91-4) is an organic azo dye used with linen fabrics.

Preparation

2-Amino-5-nitrobenzenesulfonic acid?diazo, and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid?in acid conditions coupled.

Properties and Applications

purple. Purple powder, soluble in water (red light purple), ethanol (red light purple) and soluble fiber element, slightly soluble in acetone and benzene insoluble in other organic solvents. Meet strong sulfuric acid is orange brown, after dilute for purple; Meet nitric acid solution for red turn brown. Its water solution and strong hydrochloric acid for purplish red color, add thick sodium hydroxide solution to blue. Used for wool, wool fiber blended fabric dyeing and printing, white sex good, can also be used in leather and paper color.

disodium 6-amino-4-hydroxy-5-[(4-nitro-2-sulphonatophenyl)azo]naphthalene-2-sulphonate (6441-91-4)Related Product Information

• Acid Violet 17
• disodium 4,4'-[(1,4-diamino-9,10-dihydro-9,10-dioxo-2,3-anthrylene)bis(oxy)]bis[benzenesulphonate]
• Fuchsin Acid
• C.I. Acid violet 66
• Acid violet 68
• ACID VIOLET 7
• Basic Violet 11
• Acid Violet 49
• ACID VIOLET 9
• Acid violet 90
• Acid Violet 109
• 4-NITRO-2-SULFOANILINE
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• disodium 6-amino-4-hydroxy-5-[(4-nitro-2-sulphonatophenyl)azo]naphthalene-2-sulphonate
• ACID VIOLET 5
• Acid Violet 43
• sodium 2-[3-(4-sulfonato-o-tolyliminio)-6-o-toluidino-3H-xanthen-9-yl]benzoate