Iron, 4-[[5-(3,5-dinitrophenyl)azo]-2,4-dihydroxy-3-[(4-nitrophenyl)azo]]-5-hydroxy-2,7-naphthalenedisulfonic acid complex

Product Name
Iron, 4-[[5-(3,5-dinitrophenyl)azo]-2,4-dihydroxy-3-[(4-nitrophenyl)azo]]-5-hydroxy-2,7-naphthalenedisulfonic acid complex
CAS No.
8007-63-4
Chemical Name
Iron, 4-[[5-(3,5-dinitrophenyl)azo]-2,4-dihydroxy-3-[(4-nitrophenyl)azo]]-5-hydroxy-2,7-naphthalenedisulfonic acid complex
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
CBNumber
CB8926520
Formula Weight
0
MOL File
Mol file
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H319Causes serious eye irritation

H411Toxic to aquatic life with long lasting effects

H412Harmful to aquatic life with long lasting effects

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P273Avoid release to the environment.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P501Dispose of contents/container to..…

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Iron, 4-[[5-(3,5-dinitrophenyl)azo]-2,4-dihydroxy-3-[(4-nitrophenyl)azo]]-5-hydroxy-2,7-naphthalenedisulfonic acid complex Chemical Properties,Usage,Production

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.

Iron, 4-[[5-(3,5-dinitrophenyl)azo]-2,4-dihydroxy-3-[(4-nitrophenyl)azo]]-5-hydroxy-2,7-naphthalenedisulfonic acid complex Preparation Products And Raw materials

Raw materials

Preparation Products

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Iron, 4-[[5-(3,5-dinitrophenyl)azo]-2,4-dihydroxy-3-[(4-nitrophenyl)azo]]-5-hydroxy-2,7-naphthalenedisulfonic acid complex Suppliers