| Identification | Back Directory | [Name]
Iron, 4-[[5-(3,5-dinitrophenyl)azo]-2,4-dihydroxy-3-[(4-nitrophenyl)azo]]-5-hydroxy-2,7-naphthalenedisulfonic acid complex | [CAS]
8007-63-4 | [Synonyms]
C.I.34906
C.I. Acid Brown 216
C.I.Acid Brown 216:C.I.34906
Iron, 4-[[5-(3,5-dinitrophenyl)azo]-2,4-dihydroxy-3-[(4-nitrophenyl)azo]]-5-hydroxy-2,7-naphthalenedisulfonic acid complex | [EINECS(EC#)]
232-363-8 |
| Hazard Information | Back Directory | [Preparation]
4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?diazo, in weak alkali conditions Coupled with resorcinol, 2-Amino-4,6-dinitrophenol diazo, in weak alkali conditions and the single accidentally nitrogen content coupling, its product again with diazo of 4-Nitrobenzenamine weak inorganic acid in the coupling, and then translate to iron complex. | [Properties and Applications]
dark red light brown. Mainly used for leather color. |
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