6-Hydroxy-5-[(2-hydroxy-3,5-dinitrophenyl)azo]-2-naphthalenesulfonic acid sodium salt
6-Hydroxy-5-[(2-hydroxy-3,5-dinitrophenyl)azo]-2-naphthalenesulfonic acid sodium salt Basic information
- Product Name:
- 6-Hydroxy-5-[(2-hydroxy-3,5-dinitrophenyl)azo]-2-naphthalenesulfonic acid sodium salt
- Synonyms:
-
- 6-Hydroxy-5-[(2-hydroxy-3,5-dinitrophenyl)azo]-2-naphthalenesulfonic acid sodium salt
- C.I.16065
- C.I.Mordant Brown 60
- sodium,(5E)-5-[(2-hydroxy-3,5-dinitrophenyl)hydrazinylidene]-6-oxonaphthalene-2-sulfonic acid
- Mordant Brown 60
- C.I.Mordant Brown 60:C.I.16065
- CAS:
- 3838-30-0
- MF:
- C16H11N4NaO9S
- MW:
- 458.33
- Mol File:
- 3838-30-0.mol
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6-Hydroxy-5-[(2-hydroxy-3,5-dinitrophenyl)azo]-2-naphthalenesulfonic acid sodium salt Usage And Synthesis
Preparation
2-Amino-4,6-dinitrophenol diazotization, and 6-Hydroxynaphthalene-2-sulfonic acid coupling.
Properties and Applications
dark red light brown. Soluble in water for purple. In concentrated sulfuric acid for red, orange precipitation after dilution. Dye aqueous solution to join concentrated hydrochloric acid have orange brown precipitation; Join concentrated sodium hydroxide solution have brown light purple precipitation.
| Standard | Ironing Fastness | Light Fastness | Fulling | Persperation Fastness | Soaping | Water | |
| Alkali | Acid | ||||||
| ISO | 4 | 6 | 4 | 4-5 | 5 | 5 | |