| Identification | Back Directory | [Name]
Acid Brown 4 | [CAS]
5858-51-5 | [Synonyms]
Brown R
C.I.14805
Acid Brown 4
C.I.Acid Brown 4
Acid brown 4 (C.I. 14805)
C.I.Acid Brown 4:C.I.14805
Acid Brown 4 ISO 9001：2015 REACH
sodium 6-[(4-aminophenyl)azo]-5-hydroxynaphthalene-1-sulphonate
6-[(4-Aminophenyl)azo]-5-hydroxy-1-naphthalenesulfonic acid sodium salt
sodium,(6E)-6-[(4-aminophenyl)hydrazinylidene]-5-oxonaphthalene-1-sulfonate
1-Naphthalenesulfonic acid, 6-(4-aminophenyl)azo-5-hydroxy-, monosodium salt
6-[2-(4-Aminophenyl)diazenyl]-5-hydroxy-1-naphthalenesulfonic acid sodium salt | [EINECS(EC#)]
227-492-1 | [Molecular Formula]
C16H12N3NaO4S | [MOL File]
5858-51-5.mol | [Molecular Weight]
365.339 |
| Hazard Information | Back Directory | [Uses]
Acid Brown 4 is a brown dye whose staining effects can be removed by the electrocoagulation (EC) process. | [Preparation]
N-(4-aminophenyl)acetamide diazo, and 5-Hydroxynaphthalene-1-sulfonic acid coupling, and then remove acetyl hydrolysis. | [Flammability and Explosibility]
Nonflammable | [Properties and Applications]
red light brown. Soluble in water for red light brown, soluble in ethanol for yellow light brown. The strong sulfuric acid for wine red, dark blue, diluted to the red orange. Strong hydrochloric acid solution to join a brown orange precipitation; Add thick sodium hydroxide solution for palm orange.
|
Standard
|
Light Fastness
|
Soaping
|
Persperation Fastness
|
Oxygen bleaching
|
Fastness to seawater
|
|
Fading
|
Stain
|
Fading
|
Stain
|
Fading
|
Stain
|
|
ISO
|
3
|
3-4
|
2
|
2
|
3
|
|
1-2
|
|
| [References]
[1] Parsa J B, et al. Removal of Acid Brown 14 in aqueous media by electrocoagulation: Optimization parameters and minimizing of energy consumption[J]. Desalination, 2011, 278(1-3): 295-302. |
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