| Identification | Back Directory | [Name]
4-Hydroxy-6-[[3-[(2-hydroxy-3-nitro-5-sodiosulfophenyl)azo]-2,4-dihydroxyphenyl]azo]-3-[(4-nitrophenyl)azo]naphthalene-2-sulfonic acid sodium salt | [CAS]
6487-05-4 | [Synonyms]
C.I.33525
Acid Brown 122
C.I.Acid Brown 122
Corium Acid Dark Brown MR
C.I.Acid Brown 122:C.I.33525
4-Hydroxy-6-[[3-[(2-hydroxy-3-nitro-5-sodiosulfophenyl)azo]-2,4-dihydroxyphenyl]azo]-3-[(4-nitrophenyl)azo]naphthalene-2-sulfonic acid sodium salt | [Molecular Formula]
C28H19N8NaO14S2 | [MOL File]
6487-05-4.mol | [Molecular Weight]
778.61 |
| Hazard Information | Back Directory | [Preparation]
6-Amino-4-hydroxynaphthalene-2-sulfonic acid? diazo, Coupled with resorcinol, 4-Nitrobenzenamine diazo, and the generation of single accidentally coupled nitrogen compounds, and then and diazo 3-Amino-4-hydroxy-5-nitrobenzenesulfonic acid coupling. | [Properties and Applications]
dark red light brown. Soluble in water for orange brown. The strong sulfuric acid for wine, dilute after brown precipitation. In water solution to join strong hydrochloric acid for orange brown; With rare sodium hydroxide solution for blue-ray red. |
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